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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/dce_v8_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/dce_v8_0.c3576
1 files changed, 3576 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
new file mode 100644
index 000000000..a22b45c92
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -0,0 +1,3576 @@
+/*
+ * Copyright 2014 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include <drm/drm_fourcc.h>
+#include <drm/drm_vblank.h>
+
+#include "amdgpu.h"
+#include "amdgpu_pm.h"
+#include "amdgpu_i2c.h"
+#include "cikd.h"
+#include "atom.h"
+#include "amdgpu_atombios.h"
+#include "atombios_crtc.h"
+#include "atombios_encoders.h"
+#include "amdgpu_pll.h"
+#include "amdgpu_connectors.h"
+#include "amdgpu_display.h"
+#include "dce_v8_0.h"
+
+#include "dce/dce_8_0_d.h"
+#include "dce/dce_8_0_sh_mask.h"
+
+#include "gca/gfx_7_2_enum.h"
+
+#include "gmc/gmc_7_1_d.h"
+#include "gmc/gmc_7_1_sh_mask.h"
+
+#include "oss/oss_2_0_d.h"
+#include "oss/oss_2_0_sh_mask.h"
+
+static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev);
+static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev);
+
+static const u32 crtc_offsets[6] =
+{
+ CRTC0_REGISTER_OFFSET,
+ CRTC1_REGISTER_OFFSET,
+ CRTC2_REGISTER_OFFSET,
+ CRTC3_REGISTER_OFFSET,
+ CRTC4_REGISTER_OFFSET,
+ CRTC5_REGISTER_OFFSET
+};
+
+static const u32 hpd_offsets[] =
+{
+ HPD0_REGISTER_OFFSET,
+ HPD1_REGISTER_OFFSET,
+ HPD2_REGISTER_OFFSET,
+ HPD3_REGISTER_OFFSET,
+ HPD4_REGISTER_OFFSET,
+ HPD5_REGISTER_OFFSET
+};
+
+static const uint32_t dig_offsets[] = {
+ CRTC0_REGISTER_OFFSET,
+ CRTC1_REGISTER_OFFSET,
+ CRTC2_REGISTER_OFFSET,
+ CRTC3_REGISTER_OFFSET,
+ CRTC4_REGISTER_OFFSET,
+ CRTC5_REGISTER_OFFSET,
+ (0x13830 - 0x7030) >> 2,
+};
+
+static const struct {
+ uint32_t reg;
+ uint32_t vblank;
+ uint32_t vline;
+ uint32_t hpd;
+
+} interrupt_status_offsets[6] = { {
+ .reg = mmDISP_INTERRUPT_STATUS,
+ .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
+ .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
+ .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
+}, {
+ .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
+ .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
+ .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
+ .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
+}, {
+ .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
+ .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
+ .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
+ .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
+}, {
+ .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
+ .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
+ .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
+ .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
+}, {
+ .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
+ .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
+ .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
+ .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
+}, {
+ .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
+ .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
+ .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
+ .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
+} };
+
+static u32 dce_v8_0_audio_endpt_rreg(struct amdgpu_device *adev,
+ u32 block_offset, u32 reg)
+{
+ unsigned long flags;
+ u32 r;
+
+ spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
+ WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
+ r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
+ spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
+
+ return r;
+}
+
+static void dce_v8_0_audio_endpt_wreg(struct amdgpu_device *adev,
+ u32 block_offset, u32 reg, u32 v)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
+ WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
+ WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
+ spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
+}
+
+static u32 dce_v8_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
+{
+ if (crtc >= adev->mode_info.num_crtc)
+ return 0;
+ else
+ return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
+}
+
+static void dce_v8_0_pageflip_interrupt_init(struct amdgpu_device *adev)
+{
+ unsigned i;
+
+ /* Enable pflip interrupts */
+ for (i = 0; i < adev->mode_info.num_crtc; i++)
+ amdgpu_irq_get(adev, &adev->pageflip_irq, i);
+}
+
+static void dce_v8_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
+{
+ unsigned i;
+
+ /* Disable pflip interrupts */
+ for (i = 0; i < adev->mode_info.num_crtc; i++)
+ amdgpu_irq_put(adev, &adev->pageflip_irq, i);
+}
+
+/**
+ * dce_v8_0_page_flip - pageflip callback.
+ *
+ * @adev: amdgpu_device pointer
+ * @crtc_id: crtc to cleanup pageflip on
+ * @crtc_base: new address of the crtc (GPU MC address)
+ * @async: asynchronous flip
+ *
+ * Triggers the actual pageflip by updating the primary
+ * surface base address.
+ */
+static void dce_v8_0_page_flip(struct amdgpu_device *adev,
+ int crtc_id, u64 crtc_base, bool async)
+{
+ struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
+ struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
+
+ /* flip at hsync for async, default is vsync */
+ WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
+ GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
+ /* update pitch */
+ WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
+ fb->pitches[0] / fb->format->cpp[0]);
+ /* update the primary scanout addresses */
+ WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
+ upper_32_bits(crtc_base));
+ /* writing to the low address triggers the update */
+ WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
+ lower_32_bits(crtc_base));
+ /* post the write */
+ RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
+}
+
+static int dce_v8_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
+ u32 *vbl, u32 *position)
+{
+ if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
+ return -EINVAL;
+
+ *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
+ *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
+
+ return 0;
+}
+
+/**
+ * dce_v8_0_hpd_sense - hpd sense callback.
+ *
+ * @adev: amdgpu_device pointer
+ * @hpd: hpd (hotplug detect) pin
+ *
+ * Checks if a digital monitor is connected (evergreen+).
+ * Returns true if connected, false if not connected.
+ */
+static bool dce_v8_0_hpd_sense(struct amdgpu_device *adev,
+ enum amdgpu_hpd_id hpd)
+{
+ bool connected = false;
+
+ if (hpd >= adev->mode_info.num_hpd)
+ return connected;
+
+ if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) &
+ DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
+ connected = true;
+
+ return connected;
+}
+
+/**
+ * dce_v8_0_hpd_set_polarity - hpd set polarity callback.
+ *
+ * @adev: amdgpu_device pointer
+ * @hpd: hpd (hotplug detect) pin
+ *
+ * Set the polarity of the hpd pin (evergreen+).
+ */
+static void dce_v8_0_hpd_set_polarity(struct amdgpu_device *adev,
+ enum amdgpu_hpd_id hpd)
+{
+ u32 tmp;
+ bool connected = dce_v8_0_hpd_sense(adev, hpd);
+
+ if (hpd >= adev->mode_info.num_hpd)
+ return;
+
+ tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
+ if (connected)
+ tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
+ else
+ tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
+ WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
+}
+
+/**
+ * dce_v8_0_hpd_init - hpd setup callback.
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Setup the hpd pins used by the card (evergreen+).
+ * Enable the pin, set the polarity, and enable the hpd interrupts.
+ */
+static void dce_v8_0_hpd_init(struct amdgpu_device *adev)
+{
+ struct drm_device *dev = adev_to_drm(adev);
+ struct drm_connector *connector;
+ struct drm_connector_list_iter iter;
+ u32 tmp;
+
+ drm_connector_list_iter_begin(dev, &iter);
+ drm_for_each_connector_iter(connector, &iter) {
+ struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
+
+ if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
+ continue;
+
+ tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
+ tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
+ WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
+
+ if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
+ connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
+ /* don't try to enable hpd on eDP or LVDS avoid breaking the
+ * aux dp channel on imac and help (but not completely fix)
+ * https://bugzilla.redhat.com/show_bug.cgi?id=726143
+ * also avoid interrupt storms during dpms.
+ */
+ tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
+ tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
+ WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
+ continue;
+ }
+
+ dce_v8_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
+ amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
+ }
+ drm_connector_list_iter_end(&iter);
+}
+
+/**
+ * dce_v8_0_hpd_fini - hpd tear down callback.
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Tear down the hpd pins used by the card (evergreen+).
+ * Disable the hpd interrupts.
+ */
+static void dce_v8_0_hpd_fini(struct amdgpu_device *adev)
+{
+ struct drm_device *dev = adev_to_drm(adev);
+ struct drm_connector *connector;
+ struct drm_connector_list_iter iter;
+ u32 tmp;
+
+ drm_connector_list_iter_begin(dev, &iter);
+ drm_for_each_connector_iter(connector, &iter) {
+ struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
+
+ if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
+ continue;
+
+ tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
+ tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
+ WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
+
+ amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
+ }
+ drm_connector_list_iter_end(&iter);
+}
+
+static u32 dce_v8_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
+{
+ return mmDC_GPIO_HPD_A;
+}
+
+static bool dce_v8_0_is_display_hung(struct amdgpu_device *adev)
+{
+ u32 crtc_hung = 0;
+ u32 crtc_status[6];
+ u32 i, j, tmp;
+
+ for (i = 0; i < adev->mode_info.num_crtc; i++) {
+ if (RREG32(mmCRTC_CONTROL + crtc_offsets[i]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK) {
+ crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
+ crtc_hung |= (1 << i);
+ }
+ }
+
+ for (j = 0; j < 10; j++) {
+ for (i = 0; i < adev->mode_info.num_crtc; i++) {
+ if (crtc_hung & (1 << i)) {
+ tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
+ if (tmp != crtc_status[i])
+ crtc_hung &= ~(1 << i);
+ }
+ }
+ if (crtc_hung == 0)
+ return false;
+ udelay(100);
+ }
+
+ return true;
+}
+
+static void dce_v8_0_set_vga_render_state(struct amdgpu_device *adev,
+ bool render)
+{
+ u32 tmp;
+
+ /* Lockout access through VGA aperture*/
+ tmp = RREG32(mmVGA_HDP_CONTROL);
+ if (render)
+ tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
+ else
+ tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
+ WREG32(mmVGA_HDP_CONTROL, tmp);
+
+ /* disable VGA render */
+ tmp = RREG32(mmVGA_RENDER_CONTROL);
+ if (render)
+ tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
+ else
+ tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
+ WREG32(mmVGA_RENDER_CONTROL, tmp);
+}
+
+static int dce_v8_0_get_num_crtc(struct amdgpu_device *adev)
+{
+ int num_crtc = 0;
+
+ switch (adev->asic_type) {
+ case CHIP_BONAIRE:
+ case CHIP_HAWAII:
+ num_crtc = 6;
+ break;
+ case CHIP_KAVERI:
+ num_crtc = 4;
+ break;
+ case CHIP_KABINI:
+ case CHIP_MULLINS:
+ num_crtc = 2;
+ break;
+ default:
+ num_crtc = 0;
+ }
+ return num_crtc;
+}
+
+void dce_v8_0_disable_dce(struct amdgpu_device *adev)
+{
+ /*Disable VGA render and enabled crtc, if has DCE engine*/
+ if (amdgpu_atombios_has_dce_engine_info(adev)) {
+ u32 tmp;
+ int crtc_enabled, i;
+
+ dce_v8_0_set_vga_render_state(adev, false);
+
+ /*Disable crtc*/
+ for (i = 0; i < dce_v8_0_get_num_crtc(adev); i++) {
+ crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
+ CRTC_CONTROL, CRTC_MASTER_EN);
+ if (crtc_enabled) {
+ WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
+ tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
+ WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
+ WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
+ }
+ }
+ }
+}
+
+static void dce_v8_0_program_fmt(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
+ struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
+ int bpc = 0;
+ u32 tmp = 0;
+ enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
+
+ if (connector) {
+ struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
+ bpc = amdgpu_connector_get_monitor_bpc(connector);
+ dither = amdgpu_connector->dither;
+ }
+
+ /* LVDS/eDP FMT is set up by atom */
+ if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
+ return;
+
+ /* not needed for analog */
+ if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
+ (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
+ return;
+
+ if (bpc == 0)
+ return;
+
+ switch (bpc) {
+ case 6:
+ if (dither == AMDGPU_FMT_DITHER_ENABLE)
+ /* XXX sort out optimal dither settings */
+ tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
+ FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
+ FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
+ (0 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
+ else
+ tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
+ (0 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
+ break;
+ case 8:
+ if (dither == AMDGPU_FMT_DITHER_ENABLE)
+ /* XXX sort out optimal dither settings */
+ tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
+ FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
+ FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
+ FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
+ (1 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
+ else
+ tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
+ (1 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
+ break;
+ case 10:
+ if (dither == AMDGPU_FMT_DITHER_ENABLE)
+ /* XXX sort out optimal dither settings */
+ tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
+ FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
+ FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
+ FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
+ (2 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
+ else
+ tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
+ (2 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
+ break;
+ default:
+ /* not needed */
+ break;
+ }
+
+ WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
+}
+
+
+/* display watermark setup */
+/**
+ * dce_v8_0_line_buffer_adjust - Set up the line buffer
+ *
+ * @adev: amdgpu_device pointer
+ * @amdgpu_crtc: the selected display controller
+ * @mode: the current display mode on the selected display
+ * controller
+ *
+ * Setup up the line buffer allocation for
+ * the selected display controller (CIK).
+ * Returns the line buffer size in pixels.
+ */
+static u32 dce_v8_0_line_buffer_adjust(struct amdgpu_device *adev,
+ struct amdgpu_crtc *amdgpu_crtc,
+ struct drm_display_mode *mode)
+{
+ u32 tmp, buffer_alloc, i;
+ u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
+ /*
+ * Line Buffer Setup
+ * There are 6 line buffers, one for each display controllers.
+ * There are 3 partitions per LB. Select the number of partitions
+ * to enable based on the display width. For display widths larger
+ * than 4096, you need use to use 2 display controllers and combine
+ * them using the stereo blender.
+ */
+ if (amdgpu_crtc->base.enabled && mode) {
+ if (mode->crtc_hdisplay < 1920) {
+ tmp = 1;
+ buffer_alloc = 2;
+ } else if (mode->crtc_hdisplay < 2560) {
+ tmp = 2;
+ buffer_alloc = 2;
+ } else if (mode->crtc_hdisplay < 4096) {
+ tmp = 0;
+ buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
+ } else {
+ DRM_DEBUG_KMS("Mode too big for LB!\n");
+ tmp = 0;
+ buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
+ }
+ } else {
+ tmp = 1;
+ buffer_alloc = 0;
+ }
+
+ WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset,
+ (tmp << LB_MEMORY_CTRL__LB_MEMORY_CONFIG__SHIFT) |
+ (0x6B0 << LB_MEMORY_CTRL__LB_MEMORY_SIZE__SHIFT));
+
+ WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
+ (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
+ for (i = 0; i < adev->usec_timeout; i++) {
+ if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
+ PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
+ break;
+ udelay(1);
+ }
+
+ if (amdgpu_crtc->base.enabled && mode) {
+ switch (tmp) {
+ case 0:
+ default:
+ return 4096 * 2;
+ case 1:
+ return 1920 * 2;
+ case 2:
+ return 2560 * 2;
+ }
+ }
+
+ /* controller not enabled, so no lb used */
+ return 0;
+}
+
+/**
+ * cik_get_number_of_dram_channels - get the number of dram channels
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Look up the number of video ram channels (CIK).
+ * Used for display watermark bandwidth calculations
+ * Returns the number of dram channels
+ */
+static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
+{
+ u32 tmp = RREG32(mmMC_SHARED_CHMAP);
+
+ switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
+ case 0:
+ default:
+ return 1;
+ case 1:
+ return 2;
+ case 2:
+ return 4;
+ case 3:
+ return 8;
+ case 4:
+ return 3;
+ case 5:
+ return 6;
+ case 6:
+ return 10;
+ case 7:
+ return 12;
+ case 8:
+ return 16;
+ }
+}
+
+struct dce8_wm_params {
+ u32 dram_channels; /* number of dram channels */
+ u32 yclk; /* bandwidth per dram data pin in kHz */
+ u32 sclk; /* engine clock in kHz */
+ u32 disp_clk; /* display clock in kHz */
+ u32 src_width; /* viewport width */
+ u32 active_time; /* active display time in ns */
+ u32 blank_time; /* blank time in ns */
+ bool interlaced; /* mode is interlaced */
+ fixed20_12 vsc; /* vertical scale ratio */
+ u32 num_heads; /* number of active crtcs */
+ u32 bytes_per_pixel; /* bytes per pixel display + overlay */
+ u32 lb_size; /* line buffer allocated to pipe */
+ u32 vtaps; /* vertical scaler taps */
+};
+
+/**
+ * dce_v8_0_dram_bandwidth - get the dram bandwidth
+ *
+ * @wm: watermark calculation data
+ *
+ * Calculate the raw dram bandwidth (CIK).
+ * Used for display watermark bandwidth calculations
+ * Returns the dram bandwidth in MBytes/s
+ */
+static u32 dce_v8_0_dram_bandwidth(struct dce8_wm_params *wm)
+{
+ /* Calculate raw DRAM Bandwidth */
+ fixed20_12 dram_efficiency; /* 0.7 */
+ fixed20_12 yclk, dram_channels, bandwidth;
+ fixed20_12 a;
+
+ a.full = dfixed_const(1000);
+ yclk.full = dfixed_const(wm->yclk);
+ yclk.full = dfixed_div(yclk, a);
+ dram_channels.full = dfixed_const(wm->dram_channels * 4);
+ a.full = dfixed_const(10);
+ dram_efficiency.full = dfixed_const(7);
+ dram_efficiency.full = dfixed_div(dram_efficiency, a);
+ bandwidth.full = dfixed_mul(dram_channels, yclk);
+ bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
+
+ return dfixed_trunc(bandwidth);
+}
+
+/**
+ * dce_v8_0_dram_bandwidth_for_display - get the dram bandwidth for display
+ *
+ * @wm: watermark calculation data
+ *
+ * Calculate the dram bandwidth used for display (CIK).
+ * Used for display watermark bandwidth calculations
+ * Returns the dram bandwidth for display in MBytes/s
+ */
+static u32 dce_v8_0_dram_bandwidth_for_display(struct dce8_wm_params *wm)
+{
+ /* Calculate DRAM Bandwidth and the part allocated to display. */
+ fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
+ fixed20_12 yclk, dram_channels, bandwidth;
+ fixed20_12 a;
+
+ a.full = dfixed_const(1000);
+ yclk.full = dfixed_const(wm->yclk);
+ yclk.full = dfixed_div(yclk, a);
+ dram_channels.full = dfixed_const(wm->dram_channels * 4);
+ a.full = dfixed_const(10);
+ disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
+ disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
+ bandwidth.full = dfixed_mul(dram_channels, yclk);
+ bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
+
+ return dfixed_trunc(bandwidth);
+}
+
+/**
+ * dce_v8_0_data_return_bandwidth - get the data return bandwidth
+ *
+ * @wm: watermark calculation data
+ *
+ * Calculate the data return bandwidth used for display (CIK).
+ * Used for display watermark bandwidth calculations
+ * Returns the data return bandwidth in MBytes/s
+ */
+static u32 dce_v8_0_data_return_bandwidth(struct dce8_wm_params *wm)
+{
+ /* Calculate the display Data return Bandwidth */
+ fixed20_12 return_efficiency; /* 0.8 */
+ fixed20_12 sclk, bandwidth;
+ fixed20_12 a;
+
+ a.full = dfixed_const(1000);
+ sclk.full = dfixed_const(wm->sclk);
+ sclk.full = dfixed_div(sclk, a);
+ a.full = dfixed_const(10);
+ return_efficiency.full = dfixed_const(8);
+ return_efficiency.full = dfixed_div(return_efficiency, a);
+ a.full = dfixed_const(32);
+ bandwidth.full = dfixed_mul(a, sclk);
+ bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
+
+ return dfixed_trunc(bandwidth);
+}
+
+/**
+ * dce_v8_0_dmif_request_bandwidth - get the dmif bandwidth
+ *
+ * @wm: watermark calculation data
+ *
+ * Calculate the dmif bandwidth used for display (CIK).
+ * Used for display watermark bandwidth calculations
+ * Returns the dmif bandwidth in MBytes/s
+ */
+static u32 dce_v8_0_dmif_request_bandwidth(struct dce8_wm_params *wm)
+{
+ /* Calculate the DMIF Request Bandwidth */
+ fixed20_12 disp_clk_request_efficiency; /* 0.8 */
+ fixed20_12 disp_clk, bandwidth;
+ fixed20_12 a, b;
+
+ a.full = dfixed_const(1000);
+ disp_clk.full = dfixed_const(wm->disp_clk);
+ disp_clk.full = dfixed_div(disp_clk, a);
+ a.full = dfixed_const(32);
+ b.full = dfixed_mul(a, disp_clk);
+
+ a.full = dfixed_const(10);
+ disp_clk_request_efficiency.full = dfixed_const(8);
+ disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
+
+ bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
+
+ return dfixed_trunc(bandwidth);
+}
+
+/**
+ * dce_v8_0_available_bandwidth - get the min available bandwidth
+ *
+ * @wm: watermark calculation data
+ *
+ * Calculate the min available bandwidth used for display (CIK).
+ * Used for display watermark bandwidth calculations
+ * Returns the min available bandwidth in MBytes/s
+ */
+static u32 dce_v8_0_available_bandwidth(struct dce8_wm_params *wm)
+{
+ /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
+ u32 dram_bandwidth = dce_v8_0_dram_bandwidth(wm);
+ u32 data_return_bandwidth = dce_v8_0_data_return_bandwidth(wm);
+ u32 dmif_req_bandwidth = dce_v8_0_dmif_request_bandwidth(wm);
+
+ return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
+}
+
+/**
+ * dce_v8_0_average_bandwidth - get the average available bandwidth
+ *
+ * @wm: watermark calculation data
+ *
+ * Calculate the average available bandwidth used for display (CIK).
+ * Used for display watermark bandwidth calculations
+ * Returns the average available bandwidth in MBytes/s
+ */
+static u32 dce_v8_0_average_bandwidth(struct dce8_wm_params *wm)
+{
+ /* Calculate the display mode Average Bandwidth
+ * DisplayMode should contain the source and destination dimensions,
+ * timing, etc.
+ */
+ fixed20_12 bpp;
+ fixed20_12 line_time;
+ fixed20_12 src_width;
+ fixed20_12 bandwidth;
+ fixed20_12 a;
+
+ a.full = dfixed_const(1000);
+ line_time.full = dfixed_const(wm->active_time + wm->blank_time);
+ line_time.full = dfixed_div(line_time, a);
+ bpp.full = dfixed_const(wm->bytes_per_pixel);
+ src_width.full = dfixed_const(wm->src_width);
+ bandwidth.full = dfixed_mul(src_width, bpp);
+ bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
+ bandwidth.full = dfixed_div(bandwidth, line_time);
+
+ return dfixed_trunc(bandwidth);
+}
+
+/**
+ * dce_v8_0_latency_watermark - get the latency watermark
+ *
+ * @wm: watermark calculation data
+ *
+ * Calculate the latency watermark (CIK).
+ * Used for display watermark bandwidth calculations
+ * Returns the latency watermark in ns
+ */
+static u32 dce_v8_0_latency_watermark(struct dce8_wm_params *wm)
+{
+ /* First calculate the latency in ns */
+ u32 mc_latency = 2000; /* 2000 ns. */
+ u32 available_bandwidth = dce_v8_0_available_bandwidth(wm);
+ u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
+ u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
+ u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
+ u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
+ (wm->num_heads * cursor_line_pair_return_time);
+ u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
+ u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
+ u32 tmp, dmif_size = 12288;
+ fixed20_12 a, b, c;
+
+ if (wm->num_heads == 0)
+ return 0;
+
+ a.full = dfixed_const(2);
+ b.full = dfixed_const(1);
+ if ((wm->vsc.full > a.full) ||
+ ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
+ (wm->vtaps >= 5) ||
+ ((wm->vsc.full >= a.full) && wm->interlaced))
+ max_src_lines_per_dst_line = 4;
+ else
+ max_src_lines_per_dst_line = 2;
+
+ a.full = dfixed_const(available_bandwidth);
+ b.full = dfixed_const(wm->num_heads);
+ a.full = dfixed_div(a, b);
+ tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
+ tmp = min(dfixed_trunc(a), tmp);
+
+ lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
+
+ a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
+ b.full = dfixed_const(1000);
+ c.full = dfixed_const(lb_fill_bw);
+ b.full = dfixed_div(c, b);
+ a.full = dfixed_div(a, b);
+ line_fill_time = dfixed_trunc(a);
+
+ if (line_fill_time < wm->active_time)
+ return latency;
+ else
+ return latency + (line_fill_time - wm->active_time);
+
+}
+
+/**
+ * dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display - check
+ * average and available dram bandwidth
+ *
+ * @wm: watermark calculation data
+ *
+ * Check if the display average bandwidth fits in the display
+ * dram bandwidth (CIK).
+ * Used for display watermark bandwidth calculations
+ * Returns true if the display fits, false if not.
+ */
+static bool dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce8_wm_params *wm)
+{
+ if (dce_v8_0_average_bandwidth(wm) <=
+ (dce_v8_0_dram_bandwidth_for_display(wm) / wm->num_heads))
+ return true;
+ else
+ return false;
+}
+
+/**
+ * dce_v8_0_average_bandwidth_vs_available_bandwidth - check
+ * average and available bandwidth
+ *
+ * @wm: watermark calculation data
+ *
+ * Check if the display average bandwidth fits in the display
+ * available bandwidth (CIK).
+ * Used for display watermark bandwidth calculations
+ * Returns true if the display fits, false if not.
+ */
+static bool dce_v8_0_average_bandwidth_vs_available_bandwidth(struct dce8_wm_params *wm)
+{
+ if (dce_v8_0_average_bandwidth(wm) <=
+ (dce_v8_0_available_bandwidth(wm) / wm->num_heads))
+ return true;
+ else
+ return false;
+}
+
+/**
+ * dce_v8_0_check_latency_hiding - check latency hiding
+ *
+ * @wm: watermark calculation data
+ *
+ * Check latency hiding (CIK).
+ * Used for display watermark bandwidth calculations
+ * Returns true if the display fits, false if not.
+ */
+static bool dce_v8_0_check_latency_hiding(struct dce8_wm_params *wm)
+{
+ u32 lb_partitions = wm->lb_size / wm->src_width;
+ u32 line_time = wm->active_time + wm->blank_time;
+ u32 latency_tolerant_lines;
+ u32 latency_hiding;
+ fixed20_12 a;
+
+ a.full = dfixed_const(1);
+ if (wm->vsc.full > a.full)
+ latency_tolerant_lines = 1;
+ else {
+ if (lb_partitions <= (wm->vtaps + 1))
+ latency_tolerant_lines = 1;
+ else
+ latency_tolerant_lines = 2;
+ }
+
+ latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
+
+ if (dce_v8_0_latency_watermark(wm) <= latency_hiding)
+ return true;
+ else
+ return false;
+}
+
+/**
+ * dce_v8_0_program_watermarks - program display watermarks
+ *
+ * @adev: amdgpu_device pointer
+ * @amdgpu_crtc: the selected display controller
+ * @lb_size: line buffer size
+ * @num_heads: number of display controllers in use
+ *
+ * Calculate and program the display watermarks for the
+ * selected display controller (CIK).
+ */
+static void dce_v8_0_program_watermarks(struct amdgpu_device *adev,
+ struct amdgpu_crtc *amdgpu_crtc,
+ u32 lb_size, u32 num_heads)
+{
+ struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
+ struct dce8_wm_params wm_low, wm_high;
+ u32 active_time;
+ u32 line_time = 0;
+ u32 latency_watermark_a = 0, latency_watermark_b = 0;
+ u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
+
+ if (amdgpu_crtc->base.enabled && num_heads && mode) {
+ active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
+ (u32)mode->clock);
+ line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
+ (u32)mode->clock);
+ line_time = min(line_time, (u32)65535);
+
+ /* watermark for high clocks */
+ if (adev->pm.dpm_enabled) {
+ wm_high.yclk =
+ amdgpu_dpm_get_mclk(adev, false) * 10;
+ wm_high.sclk =
+ amdgpu_dpm_get_sclk(adev, false) * 10;
+ } else {
+ wm_high.yclk = adev->pm.current_mclk * 10;
+ wm_high.sclk = adev->pm.current_sclk * 10;
+ }
+
+ wm_high.disp_clk = mode->clock;
+ wm_high.src_width = mode->crtc_hdisplay;
+ wm_high.active_time = active_time;
+ wm_high.blank_time = line_time - wm_high.active_time;
+ wm_high.interlaced = false;
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ wm_high.interlaced = true;
+ wm_high.vsc = amdgpu_crtc->vsc;
+ wm_high.vtaps = 1;
+ if (amdgpu_crtc->rmx_type != RMX_OFF)
+ wm_high.vtaps = 2;
+ wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
+ wm_high.lb_size = lb_size;
+ wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
+ wm_high.num_heads = num_heads;
+
+ /* set for high clocks */
+ latency_watermark_a = min(dce_v8_0_latency_watermark(&wm_high), (u32)65535);
+
+ /* possibly force display priority to high */
+ /* should really do this at mode validation time... */
+ if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
+ !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
+ !dce_v8_0_check_latency_hiding(&wm_high) ||
+ (adev->mode_info.disp_priority == 2)) {
+ DRM_DEBUG_KMS("force priority to high\n");
+ }
+
+ /* watermark for low clocks */
+ if (adev->pm.dpm_enabled) {
+ wm_low.yclk =
+ amdgpu_dpm_get_mclk(adev, true) * 10;
+ wm_low.sclk =
+ amdgpu_dpm_get_sclk(adev, true) * 10;
+ } else {
+ wm_low.yclk = adev->pm.current_mclk * 10;
+ wm_low.sclk = adev->pm.current_sclk * 10;
+ }
+
+ wm_low.disp_clk = mode->clock;
+ wm_low.src_width = mode->crtc_hdisplay;
+ wm_low.active_time = active_time;
+ wm_low.blank_time = line_time - wm_low.active_time;
+ wm_low.interlaced = false;
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ wm_low.interlaced = true;
+ wm_low.vsc = amdgpu_crtc->vsc;
+ wm_low.vtaps = 1;
+ if (amdgpu_crtc->rmx_type != RMX_OFF)
+ wm_low.vtaps = 2;
+ wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
+ wm_low.lb_size = lb_size;
+ wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
+ wm_low.num_heads = num_heads;
+
+ /* set for low clocks */
+ latency_watermark_b = min(dce_v8_0_latency_watermark(&wm_low), (u32)65535);
+
+ /* possibly force display priority to high */
+ /* should really do this at mode validation time... */
+ if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
+ !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
+ !dce_v8_0_check_latency_hiding(&wm_low) ||
+ (adev->mode_info.disp_priority == 2)) {
+ DRM_DEBUG_KMS("force priority to high\n");
+ }
+ lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
+ }
+
+ /* select wm A */
+ wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
+ tmp = wm_mask;
+ tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
+ tmp |= (1 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
+ WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
+ WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
+ ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
+ (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
+ /* select wm B */
+ tmp = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
+ tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
+ tmp |= (2 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
+ WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
+ WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
+ ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
+ (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
+ /* restore original selection */
+ WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
+
+ /* save values for DPM */
+ amdgpu_crtc->line_time = line_time;
+ amdgpu_crtc->wm_high = latency_watermark_a;
+ amdgpu_crtc->wm_low = latency_watermark_b;
+ /* Save number of lines the linebuffer leads before the scanout */
+ amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
+}
+
+/**
+ * dce_v8_0_bandwidth_update - program display watermarks
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Calculate and program the display watermarks and line
+ * buffer allocation (CIK).
+ */
+static void dce_v8_0_bandwidth_update(struct amdgpu_device *adev)
+{
+ struct drm_display_mode *mode = NULL;
+ u32 num_heads = 0, lb_size;
+ int i;
+
+ amdgpu_display_update_priority(adev);
+
+ for (i = 0; i < adev->mode_info.num_crtc; i++) {
+ if (adev->mode_info.crtcs[i]->base.enabled)
+ num_heads++;
+ }
+ for (i = 0; i < adev->mode_info.num_crtc; i++) {
+ mode = &adev->mode_info.crtcs[i]->base.mode;
+ lb_size = dce_v8_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
+ dce_v8_0_program_watermarks(adev, adev->mode_info.crtcs[i],
+ lb_size, num_heads);
+ }
+}
+
+static void dce_v8_0_audio_get_connected_pins(struct amdgpu_device *adev)
+{
+ int i;
+ u32 offset, tmp;
+
+ for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
+ offset = adev->mode_info.audio.pin[i].offset;
+ tmp = RREG32_AUDIO_ENDPT(offset,
+ ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
+ if (((tmp &
+ AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
+ AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
+ adev->mode_info.audio.pin[i].connected = false;
+ else
+ adev->mode_info.audio.pin[i].connected = true;
+ }
+}
+
+static struct amdgpu_audio_pin *dce_v8_0_audio_get_pin(struct amdgpu_device *adev)
+{
+ int i;
+
+ dce_v8_0_audio_get_connected_pins(adev);
+
+ for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
+ if (adev->mode_info.audio.pin[i].connected)
+ return &adev->mode_info.audio.pin[i];
+ }
+ DRM_ERROR("No connected audio pins found!\n");
+ return NULL;
+}
+
+static void dce_v8_0_afmt_audio_select_pin(struct drm_encoder *encoder)
+{
+ struct amdgpu_device *adev = drm_to_adev(encoder->dev);
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
+ u32 offset;
+
+ if (!dig || !dig->afmt || !dig->afmt->pin)
+ return;
+
+ offset = dig->afmt->offset;
+
+ WREG32(mmAFMT_AUDIO_SRC_CONTROL + offset,
+ (dig->afmt->pin->id << AFMT_AUDIO_SRC_CONTROL__AFMT_AUDIO_SRC_SELECT__SHIFT));
+}
+
+static void dce_v8_0_audio_write_latency_fields(struct drm_encoder *encoder,
+ struct drm_display_mode *mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter iter;
+ struct amdgpu_connector *amdgpu_connector = NULL;
+ u32 tmp = 0, offset;
+
+ if (!dig || !dig->afmt || !dig->afmt->pin)
+ return;
+
+ offset = dig->afmt->pin->offset;
+
+ drm_connector_list_iter_begin(dev, &iter);
+ drm_for_each_connector_iter(connector, &iter) {
+ if (connector->encoder == encoder) {
+ amdgpu_connector = to_amdgpu_connector(connector);
+ break;
+ }
+ }
+ drm_connector_list_iter_end(&iter);
+
+ if (!amdgpu_connector) {
+ DRM_ERROR("Couldn't find encoder's connector\n");
+ return;
+ }
+
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
+ if (connector->latency_present[1])
+ tmp =
+ (connector->video_latency[1] <<
+ AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
+ (connector->audio_latency[1] <<
+ AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
+ else
+ tmp =
+ (0 <<
+ AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
+ (0 <<
+ AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
+ } else {
+ if (connector->latency_present[0])
+ tmp =
+ (connector->video_latency[0] <<
+ AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
+ (connector->audio_latency[0] <<
+ AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
+ else
+ tmp =
+ (0 <<
+ AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
+ (0 <<
+ AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
+
+ }
+ WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
+}
+
+static void dce_v8_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter iter;
+ struct amdgpu_connector *amdgpu_connector = NULL;
+ u32 offset, tmp;
+ u8 *sadb = NULL;
+ int sad_count;
+
+ if (!dig || !dig->afmt || !dig->afmt->pin)
+ return;
+
+ offset = dig->afmt->pin->offset;
+
+ drm_connector_list_iter_begin(dev, &iter);
+ drm_for_each_connector_iter(connector, &iter) {
+ if (connector->encoder == encoder) {
+ amdgpu_connector = to_amdgpu_connector(connector);
+ break;
+ }
+ }
+ drm_connector_list_iter_end(&iter);
+
+ if (!amdgpu_connector) {
+ DRM_ERROR("Couldn't find encoder's connector\n");
+ return;
+ }
+
+ sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
+ if (sad_count < 0) {
+ DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
+ sad_count = 0;
+ }
+
+ /* program the speaker allocation */
+ tmp = RREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
+ tmp &= ~(AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__DP_CONNECTION_MASK |
+ AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION_MASK);
+ /* set HDMI mode */
+ tmp |= AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__HDMI_CONNECTION_MASK;
+ if (sad_count)
+ tmp |= (sadb[0] << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT);
+ else
+ tmp |= (5 << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT); /* stereo */
+ WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
+
+ kfree(sadb);
+}
+
+static void dce_v8_0_audio_write_sad_regs(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
+ u32 offset;
+ struct drm_connector *connector;
+ struct drm_connector_list_iter iter;
+ struct amdgpu_connector *amdgpu_connector = NULL;
+ struct cea_sad *sads;
+ int i, sad_count;
+
+ static const u16 eld_reg_to_type[][2] = {
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
+ { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
+ };
+
+ if (!dig || !dig->afmt || !dig->afmt->pin)
+ return;
+
+ offset = dig->afmt->pin->offset;
+
+ drm_connector_list_iter_begin(dev, &iter);
+ drm_for_each_connector_iter(connector, &iter) {
+ if (connector->encoder == encoder) {
+ amdgpu_connector = to_amdgpu_connector(connector);
+ break;
+ }
+ }
+ drm_connector_list_iter_end(&iter);
+
+ if (!amdgpu_connector) {
+ DRM_ERROR("Couldn't find encoder's connector\n");
+ return;
+ }
+
+ sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
+ if (sad_count < 0)
+ DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
+ if (sad_count <= 0)
+ return;
+ BUG_ON(!sads);
+
+ for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
+ u32 value = 0;
+ u8 stereo_freqs = 0;
+ int max_channels = -1;
+ int j;
+
+ for (j = 0; j < sad_count; j++) {
+ struct cea_sad *sad = &sads[j];
+
+ if (sad->format == eld_reg_to_type[i][1]) {
+ if (sad->channels > max_channels) {
+ value = (sad->channels <<
+ AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__MAX_CHANNELS__SHIFT) |
+ (sad->byte2 <<
+ AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__DESCRIPTOR_BYTE_2__SHIFT) |
+ (sad->freq <<
+ AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES__SHIFT);
+ max_channels = sad->channels;
+ }
+
+ if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
+ stereo_freqs |= sad->freq;
+ else
+ break;
+ }
+ }
+
+ value |= (stereo_freqs <<
+ AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES_STEREO__SHIFT);
+
+ WREG32_AUDIO_ENDPT(offset, eld_reg_to_type[i][0], value);
+ }
+
+ kfree(sads);
+}
+
+static void dce_v8_0_audio_enable(struct amdgpu_device *adev,
+ struct amdgpu_audio_pin *pin,
+ bool enable)
+{
+ if (!pin)
+ return;
+
+ WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
+ enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
+}
+
+static const u32 pin_offsets[7] =
+{
+ (0x1780 - 0x1780),
+ (0x1786 - 0x1780),
+ (0x178c - 0x1780),
+ (0x1792 - 0x1780),
+ (0x1798 - 0x1780),
+ (0x179d - 0x1780),
+ (0x17a4 - 0x1780),
+};
+
+static int dce_v8_0_audio_init(struct amdgpu_device *adev)
+{
+ int i;
+
+ if (!amdgpu_audio)
+ return 0;
+
+ adev->mode_info.audio.enabled = true;
+
+ if (adev->asic_type == CHIP_KAVERI) /* KV: 4 streams, 7 endpoints */
+ adev->mode_info.audio.num_pins = 7;
+ else if ((adev->asic_type == CHIP_KABINI) ||
+ (adev->asic_type == CHIP_MULLINS)) /* KB/ML: 2 streams, 3 endpoints */
+ adev->mode_info.audio.num_pins = 3;
+ else if ((adev->asic_type == CHIP_BONAIRE) ||
+ (adev->asic_type == CHIP_HAWAII))/* BN/HW: 6 streams, 7 endpoints */
+ adev->mode_info.audio.num_pins = 7;
+ else
+ adev->mode_info.audio.num_pins = 3;
+
+ for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
+ adev->mode_info.audio.pin[i].channels = -1;
+ adev->mode_info.audio.pin[i].rate = -1;
+ adev->mode_info.audio.pin[i].bits_per_sample = -1;
+ adev->mode_info.audio.pin[i].status_bits = 0;
+ adev->mode_info.audio.pin[i].category_code = 0;
+ adev->mode_info.audio.pin[i].connected = false;
+ adev->mode_info.audio.pin[i].offset = pin_offsets[i];
+ adev->mode_info.audio.pin[i].id = i;
+ /* disable audio. it will be set up later */
+ /* XXX remove once we switch to ip funcs */
+ dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
+ }
+
+ return 0;
+}
+
+static void dce_v8_0_audio_fini(struct amdgpu_device *adev)
+{
+ int i;
+
+ if (!amdgpu_audio)
+ return;
+
+ if (!adev->mode_info.audio.enabled)
+ return;
+
+ for (i = 0; i < adev->mode_info.audio.num_pins; i++)
+ dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
+
+ adev->mode_info.audio.enabled = false;
+}
+
+/*
+ * update the N and CTS parameters for a given pixel clock rate
+ */
+static void dce_v8_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
+{
+ struct drm_device *dev = encoder->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
+ uint32_t offset = dig->afmt->offset;
+
+ WREG32(mmHDMI_ACR_32_0 + offset, (acr.cts_32khz << HDMI_ACR_32_0__HDMI_ACR_CTS_32__SHIFT));
+ WREG32(mmHDMI_ACR_32_1 + offset, acr.n_32khz);
+
+ WREG32(mmHDMI_ACR_44_0 + offset, (acr.cts_44_1khz << HDMI_ACR_44_0__HDMI_ACR_CTS_44__SHIFT));
+ WREG32(mmHDMI_ACR_44_1 + offset, acr.n_44_1khz);
+
+ WREG32(mmHDMI_ACR_48_0 + offset, (acr.cts_48khz << HDMI_ACR_48_0__HDMI_ACR_CTS_48__SHIFT));
+ WREG32(mmHDMI_ACR_48_1 + offset, acr.n_48khz);
+}
+
+/*
+ * build a HDMI Video Info Frame
+ */
+static void dce_v8_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
+ void *buffer, size_t size)
+{
+ struct drm_device *dev = encoder->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
+ uint32_t offset = dig->afmt->offset;
+ uint8_t *frame = buffer + 3;
+ uint8_t *header = buffer;
+
+ WREG32(mmAFMT_AVI_INFO0 + offset,
+ frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
+ WREG32(mmAFMT_AVI_INFO1 + offset,
+ frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
+ WREG32(mmAFMT_AVI_INFO2 + offset,
+ frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
+ WREG32(mmAFMT_AVI_INFO3 + offset,
+ frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
+}
+
+static void dce_v8_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
+{
+ struct drm_device *dev = encoder->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
+ u32 dto_phase = 24 * 1000;
+ u32 dto_modulo = clock;
+
+ if (!dig || !dig->afmt)
+ return;
+
+ /* XXX two dtos; generally use dto0 for hdmi */
+ /* Express [24MHz / target pixel clock] as an exact rational
+ * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
+ * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
+ */
+ WREG32(mmDCCG_AUDIO_DTO_SOURCE, (amdgpu_crtc->crtc_id << DCCG_AUDIO_DTO_SOURCE__DCCG_AUDIO_DTO0_SOURCE_SEL__SHIFT));
+ WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
+ WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
+}
+
+/*
+ * update the info frames with the data from the current display mode
+ */
+static void dce_v8_0_afmt_setmode(struct drm_encoder *encoder,
+ struct drm_display_mode *mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
+ struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
+ u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
+ struct hdmi_avi_infoframe frame;
+ uint32_t offset, val;
+ ssize_t err;
+ int bpc = 8;
+
+ if (!dig || !dig->afmt)
+ return;
+
+ /* Silent, r600_hdmi_enable will raise WARN for us */
+ if (!dig->afmt->enabled)
+ return;
+
+ offset = dig->afmt->offset;
+
+ /* hdmi deep color mode general control packets setup, if bpc > 8 */
+ if (encoder->crtc) {
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
+ bpc = amdgpu_crtc->bpc;
+ }
+
+ /* disable audio prior to setting up hw */
+ dig->afmt->pin = dce_v8_0_audio_get_pin(adev);
+ dce_v8_0_audio_enable(adev, dig->afmt->pin, false);
+
+ dce_v8_0_audio_set_dto(encoder, mode->clock);
+
+ WREG32(mmHDMI_VBI_PACKET_CONTROL + offset,
+ HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK); /* send null packets when required */
+
+ WREG32(mmAFMT_AUDIO_CRC_CONTROL + offset, 0x1000);
+
+ val = RREG32(mmHDMI_CONTROL + offset);
+ val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
+ val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH_MASK;
+
+ switch (bpc) {
+ case 0:
+ case 6:
+ case 8:
+ case 16:
+ default:
+ DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
+ connector->name, bpc);
+ break;
+ case 10:
+ val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
+ val |= 1 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT;
+ DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
+ connector->name);
+ break;
+ case 12:
+ val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
+ val |= 2 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT;
+ DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
+ connector->name);
+ break;
+ }
+
+ WREG32(mmHDMI_CONTROL + offset, val);
+
+ WREG32(mmHDMI_VBI_PACKET_CONTROL + offset,
+ HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK | /* send null packets when required */
+ HDMI_VBI_PACKET_CONTROL__HDMI_GC_SEND_MASK | /* send general control packets */
+ HDMI_VBI_PACKET_CONTROL__HDMI_GC_CONT_MASK); /* send general control packets every frame */
+
+ WREG32(mmHDMI_INFOFRAME_CONTROL0 + offset,
+ HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_SEND_MASK | /* enable audio info frames (frames won't be set until audio is enabled) */
+ HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_CONT_MASK); /* required for audio info values to be updated */
+
+ WREG32(mmAFMT_INFOFRAME_CONTROL0 + offset,
+ AFMT_INFOFRAME_CONTROL0__AFMT_AUDIO_INFO_UPDATE_MASK); /* required for audio info values to be updated */
+
+ WREG32(mmHDMI_INFOFRAME_CONTROL1 + offset,
+ (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AUDIO_INFO_LINE__SHIFT)); /* anything other than 0 */
+
+ WREG32(mmHDMI_GC + offset, 0); /* unset HDMI_GC_AVMUTE */
+
+ WREG32(mmHDMI_AUDIO_PACKET_CONTROL + offset,
+ (1 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_DELAY_EN__SHIFT) | /* set the default audio delay */
+ (3 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_PACKETS_PER_LINE__SHIFT)); /* should be suffient for all audio modes and small enough for all hblanks */
+
+ WREG32(mmAFMT_AUDIO_PACKET_CONTROL + offset,
+ AFMT_AUDIO_PACKET_CONTROL__AFMT_60958_CS_UPDATE_MASK); /* allow 60958 channel status fields to be updated */
+
+ /* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */
+
+ if (bpc > 8)
+ WREG32(mmHDMI_ACR_PACKET_CONTROL + offset,
+ HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */
+ else
+ WREG32(mmHDMI_ACR_PACKET_CONTROL + offset,
+ HDMI_ACR_PACKET_CONTROL__HDMI_ACR_SOURCE_MASK | /* select SW CTS value */
+ HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */
+
+ dce_v8_0_afmt_update_ACR(encoder, mode->clock);
+
+ WREG32(mmAFMT_60958_0 + offset,
+ (1 << AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L__SHIFT));
+
+ WREG32(mmAFMT_60958_1 + offset,
+ (2 << AFMT_60958_1__AFMT_60958_CS_CHANNEL_NUMBER_R__SHIFT));
+
+ WREG32(mmAFMT_60958_2 + offset,
+ (3 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_2__SHIFT) |
+ (4 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_3__SHIFT) |
+ (5 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_4__SHIFT) |
+ (6 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_5__SHIFT) |
+ (7 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_6__SHIFT) |
+ (8 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_7__SHIFT));
+
+ dce_v8_0_audio_write_speaker_allocation(encoder);
+
+
+ WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + offset,
+ (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
+
+ dce_v8_0_afmt_audio_select_pin(encoder);
+ dce_v8_0_audio_write_sad_regs(encoder);
+ dce_v8_0_audio_write_latency_fields(encoder, mode);
+
+ err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
+ if (err < 0) {
+ DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
+ return;
+ }
+
+ err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
+ if (err < 0) {
+ DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
+ return;
+ }
+
+ dce_v8_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
+
+ WREG32_OR(mmHDMI_INFOFRAME_CONTROL0 + offset,
+ HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_SEND_MASK | /* enable AVI info frames */
+ HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_CONT_MASK); /* required for audio info values to be updated */
+
+ WREG32_P(mmHDMI_INFOFRAME_CONTROL1 + offset,
+ (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE__SHIFT), /* anything other than 0 */
+ ~HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE_MASK);
+
+ WREG32_OR(mmAFMT_AUDIO_PACKET_CONTROL + offset,
+ AFMT_AUDIO_PACKET_CONTROL__AFMT_AUDIO_SAMPLE_SEND_MASK); /* send audio packets */
+
+ WREG32(mmAFMT_RAMP_CONTROL0 + offset, 0x00FFFFFF);
+ WREG32(mmAFMT_RAMP_CONTROL1 + offset, 0x007FFFFF);
+ WREG32(mmAFMT_RAMP_CONTROL2 + offset, 0x00000001);
+ WREG32(mmAFMT_RAMP_CONTROL3 + offset, 0x00000001);
+
+ /* enable audio after setting up hw */
+ dce_v8_0_audio_enable(adev, dig->afmt->pin, true);
+}
+
+static void dce_v8_0_afmt_enable(struct drm_encoder *encoder, bool enable)
+{
+ struct drm_device *dev = encoder->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
+
+ if (!dig || !dig->afmt)
+ return;
+
+ /* Silent, r600_hdmi_enable will raise WARN for us */
+ if (enable && dig->afmt->enabled)
+ return;
+ if (!enable && !dig->afmt->enabled)
+ return;
+
+ if (!enable && dig->afmt->pin) {
+ dce_v8_0_audio_enable(adev, dig->afmt->pin, false);
+ dig->afmt->pin = NULL;
+ }
+
+ dig->afmt->enabled = enable;
+
+ DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
+ enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
+}
+
+static int dce_v8_0_afmt_init(struct amdgpu_device *adev)
+{
+ int i;
+
+ for (i = 0; i < adev->mode_info.num_dig; i++)
+ adev->mode_info.afmt[i] = NULL;
+
+ /* DCE8 has audio blocks tied to DIG encoders */
+ for (i = 0; i < adev->mode_info.num_dig; i++) {
+ adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
+ if (adev->mode_info.afmt[i]) {
+ adev->mode_info.afmt[i]->offset = dig_offsets[i];
+ adev->mode_info.afmt[i]->id = i;
+ } else {
+ int j;
+ for (j = 0; j < i; j++) {
+ kfree(adev->mode_info.afmt[j]);
+ adev->mode_info.afmt[j] = NULL;
+ }
+ return -ENOMEM;
+ }
+ }
+ return 0;
+}
+
+static void dce_v8_0_afmt_fini(struct amdgpu_device *adev)
+{
+ int i;
+
+ for (i = 0; i < adev->mode_info.num_dig; i++) {
+ kfree(adev->mode_info.afmt[i]);
+ adev->mode_info.afmt[i] = NULL;
+ }
+}
+
+static const u32 vga_control_regs[6] =
+{
+ mmD1VGA_CONTROL,
+ mmD2VGA_CONTROL,
+ mmD3VGA_CONTROL,
+ mmD4VGA_CONTROL,
+ mmD5VGA_CONTROL,
+ mmD6VGA_CONTROL,
+};
+
+static void dce_v8_0_vga_enable(struct drm_crtc *crtc, bool enable)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ u32 vga_control;
+
+ vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
+ if (enable)
+ WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
+ else
+ WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
+}
+
+static void dce_v8_0_grph_enable(struct drm_crtc *crtc, bool enable)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+
+ if (enable)
+ WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
+ else
+ WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
+}
+
+static int dce_v8_0_crtc_do_set_base(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ int x, int y, int atomic)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct drm_framebuffer *target_fb;
+ struct drm_gem_object *obj;
+ struct amdgpu_bo *abo;
+ uint64_t fb_location, tiling_flags;
+ uint32_t fb_format, fb_pitch_pixels;
+ u32 fb_swap = (GRPH_ENDIAN_NONE << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
+ u32 pipe_config;
+ u32 viewport_w, viewport_h;
+ int r;
+ bool bypass_lut = false;
+
+ /* no fb bound */
+ if (!atomic && !crtc->primary->fb) {
+ DRM_DEBUG_KMS("No FB bound\n");
+ return 0;
+ }
+
+ if (atomic)
+ target_fb = fb;
+ else
+ target_fb = crtc->primary->fb;
+
+ /* If atomic, assume fb object is pinned & idle & fenced and
+ * just update base pointers
+ */
+ obj = target_fb->obj[0];
+ abo = gem_to_amdgpu_bo(obj);
+ r = amdgpu_bo_reserve(abo, false);
+ if (unlikely(r != 0))
+ return r;
+
+ if (!atomic) {
+ r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
+ if (unlikely(r != 0)) {
+ amdgpu_bo_unreserve(abo);
+ return -EINVAL;
+ }
+ }
+ fb_location = amdgpu_bo_gpu_offset(abo);
+
+ amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
+ amdgpu_bo_unreserve(abo);
+
+ pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
+
+ switch (target_fb->format->format) {
+ case DRM_FORMAT_C8:
+ fb_format = ((GRPH_DEPTH_8BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
+ (GRPH_FORMAT_INDEXED << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
+ break;
+ case DRM_FORMAT_XRGB4444:
+ case DRM_FORMAT_ARGB4444:
+ fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
+ (GRPH_FORMAT_ARGB4444 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
+#ifdef __BIG_ENDIAN
+ fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
+#endif
+ break;
+ case DRM_FORMAT_XRGB1555:
+ case DRM_FORMAT_ARGB1555:
+ fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
+ (GRPH_FORMAT_ARGB1555 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
+#ifdef __BIG_ENDIAN
+ fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
+#endif
+ break;
+ case DRM_FORMAT_BGRX5551:
+ case DRM_FORMAT_BGRA5551:
+ fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
+ (GRPH_FORMAT_BGRA5551 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
+#ifdef __BIG_ENDIAN
+ fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
+#endif
+ break;
+ case DRM_FORMAT_RGB565:
+ fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
+ (GRPH_FORMAT_ARGB565 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
+#ifdef __BIG_ENDIAN
+ fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
+#endif
+ break;
+ case DRM_FORMAT_XRGB8888:
+ case DRM_FORMAT_ARGB8888:
+ fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
+ (GRPH_FORMAT_ARGB8888 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
+#ifdef __BIG_ENDIAN
+ fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
+#endif
+ break;
+ case DRM_FORMAT_XRGB2101010:
+ case DRM_FORMAT_ARGB2101010:
+ fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
+ (GRPH_FORMAT_ARGB2101010 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
+#ifdef __BIG_ENDIAN
+ fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
+#endif
+ /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
+ bypass_lut = true;
+ break;
+ case DRM_FORMAT_BGRX1010102:
+ case DRM_FORMAT_BGRA1010102:
+ fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
+ (GRPH_FORMAT_BGRA1010102 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
+#ifdef __BIG_ENDIAN
+ fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
+#endif
+ /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
+ bypass_lut = true;
+ break;
+ case DRM_FORMAT_XBGR8888:
+ case DRM_FORMAT_ABGR8888:
+ fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
+ (GRPH_FORMAT_ARGB8888 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
+ fb_swap = ((GRPH_RED_SEL_B << GRPH_SWAP_CNTL__GRPH_RED_CROSSBAR__SHIFT) |
+ (GRPH_BLUE_SEL_R << GRPH_SWAP_CNTL__GRPH_BLUE_CROSSBAR__SHIFT));
+#ifdef __BIG_ENDIAN
+ fb_swap |= (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
+#endif
+ break;
+ default:
+ DRM_ERROR("Unsupported screen format %p4cc\n",
+ &target_fb->format->format);
+ return -EINVAL;
+ }
+
+ if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
+ unsigned bankw, bankh, mtaspect, tile_split, num_banks;
+
+ bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
+ bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
+ mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
+ tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
+ num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
+
+ fb_format |= (num_banks << GRPH_CONTROL__GRPH_NUM_BANKS__SHIFT);
+ fb_format |= (GRPH_ARRAY_2D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT);
+ fb_format |= (tile_split << GRPH_CONTROL__GRPH_TILE_SPLIT__SHIFT);
+ fb_format |= (bankw << GRPH_CONTROL__GRPH_BANK_WIDTH__SHIFT);
+ fb_format |= (bankh << GRPH_CONTROL__GRPH_BANK_HEIGHT__SHIFT);
+ fb_format |= (mtaspect << GRPH_CONTROL__GRPH_MACRO_TILE_ASPECT__SHIFT);
+ fb_format |= (DISPLAY_MICRO_TILING << GRPH_CONTROL__GRPH_MICRO_TILE_MODE__SHIFT);
+ } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
+ fb_format |= (GRPH_ARRAY_1D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT);
+ }
+
+ fb_format |= (pipe_config << GRPH_CONTROL__GRPH_PIPE_CONFIG__SHIFT);
+
+ dce_v8_0_vga_enable(crtc, false);
+
+ /* Make sure surface address is updated at vertical blank rather than
+ * horizontal blank
+ */
+ WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
+
+ WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
+ upper_32_bits(fb_location));
+ WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
+ upper_32_bits(fb_location));
+ WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
+ (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
+ WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
+ (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
+ WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
+ WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
+
+ /*
+ * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
+ * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
+ * retain the full precision throughout the pipeline.
+ */
+ WREG32_P(mmGRPH_LUT_10BIT_BYPASS_CONTROL + amdgpu_crtc->crtc_offset,
+ (bypass_lut ? LUT_10BIT_BYPASS_EN : 0),
+ ~LUT_10BIT_BYPASS_EN);
+
+ if (bypass_lut)
+ DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
+
+ WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
+ WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
+ WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
+ WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
+ WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
+ WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
+
+ fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
+ WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
+
+ dce_v8_0_grph_enable(crtc, true);
+
+ WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
+ target_fb->height);
+
+ x &= ~3;
+ y &= ~1;
+ WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
+ (x << 16) | y);
+ viewport_w = crtc->mode.hdisplay;
+ viewport_h = (crtc->mode.vdisplay + 1) & ~1;
+ WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
+ (viewport_w << 16) | viewport_h);
+
+ /* set pageflip to happen anywhere in vblank interval */
+ WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
+
+ if (!atomic && fb && fb != crtc->primary->fb) {
+ abo = gem_to_amdgpu_bo(fb->obj[0]);
+ r = amdgpu_bo_reserve(abo, true);
+ if (unlikely(r != 0))
+ return r;
+ amdgpu_bo_unpin(abo);
+ amdgpu_bo_unreserve(abo);
+ }
+
+ /* Bytes per pixel may have changed */
+ dce_v8_0_bandwidth_update(adev);
+
+ return 0;
+}
+
+static void dce_v8_0_set_interleave(struct drm_crtc *crtc,
+ struct drm_display_mode *mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset,
+ LB_DATA_FORMAT__INTERLEAVE_EN__SHIFT);
+ else
+ WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
+}
+
+static void dce_v8_0_crtc_load_lut(struct drm_crtc *crtc)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ u16 *r, *g, *b;
+ int i;
+
+ DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
+
+ WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
+ ((INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
+ (INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
+ WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
+ PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
+ WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
+ PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
+ WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
+ ((INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
+ (INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
+
+ WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
+
+ WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
+ WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
+ WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
+
+ WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
+ WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
+ WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
+
+ WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
+ WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
+
+ WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
+ r = crtc->gamma_store;
+ g = r + crtc->gamma_size;
+ b = g + crtc->gamma_size;
+ for (i = 0; i < 256; i++) {
+ WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
+ ((*r++ & 0xffc0) << 14) |
+ ((*g++ & 0xffc0) << 4) |
+ (*b++ >> 6));
+ }
+
+ WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
+ ((DEGAMMA_BYPASS << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
+ (DEGAMMA_BYPASS << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
+ (DEGAMMA_BYPASS << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
+ WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
+ ((GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
+ (GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
+ WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
+ ((REGAMMA_BYPASS << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
+ (REGAMMA_BYPASS << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
+ WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
+ ((OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
+ (OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
+ /* XXX match this to the depth of the crtc fmt block, move to modeset? */
+ WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
+ /* XXX this only needs to be programmed once per crtc at startup,
+ * not sure where the best place for it is
+ */
+ WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset,
+ ALPHA_CONTROL__CURSOR_ALPHA_BLND_ENA_MASK);
+}
+
+static int dce_v8_0_pick_dig_encoder(struct drm_encoder *encoder)
+{
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
+
+ switch (amdgpu_encoder->encoder_id) {
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+ if (dig->linkb)
+ return 1;
+ else
+ return 0;
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+ if (dig->linkb)
+ return 3;
+ else
+ return 2;
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+ if (dig->linkb)
+ return 5;
+ else
+ return 4;
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
+ return 6;
+ default:
+ DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
+ return 0;
+ }
+}
+
+/**
+ * dce_v8_0_pick_pll - Allocate a PPLL for use by the crtc.
+ *
+ * @crtc: drm crtc
+ *
+ * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
+ * a single PPLL can be used for all DP crtcs/encoders. For non-DP
+ * monitors a dedicated PPLL must be used. If a particular board has
+ * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
+ * as there is no need to program the PLL itself. If we are not able to
+ * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
+ * avoid messing up an existing monitor.
+ *
+ * Asic specific PLL information
+ *
+ * DCE 8.x
+ * KB/KV
+ * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
+ * CI
+ * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
+ *
+ */
+static u32 dce_v8_0_pick_pll(struct drm_crtc *crtc)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ u32 pll_in_use;
+ int pll;
+
+ if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
+ if (adev->clock.dp_extclk)
+ /* skip PPLL programming if using ext clock */
+ return ATOM_PPLL_INVALID;
+ else {
+ /* use the same PPLL for all DP monitors */
+ pll = amdgpu_pll_get_shared_dp_ppll(crtc);
+ if (pll != ATOM_PPLL_INVALID)
+ return pll;
+ }
+ } else {
+ /* use the same PPLL for all monitors with the same clock */
+ pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
+ if (pll != ATOM_PPLL_INVALID)
+ return pll;
+ }
+ /* otherwise, pick one of the plls */
+ if ((adev->asic_type == CHIP_KABINI) ||
+ (adev->asic_type == CHIP_MULLINS)) {
+ /* KB/ML has PPLL1 and PPLL2 */
+ pll_in_use = amdgpu_pll_get_use_mask(crtc);
+ if (!(pll_in_use & (1 << ATOM_PPLL2)))
+ return ATOM_PPLL2;
+ if (!(pll_in_use & (1 << ATOM_PPLL1)))
+ return ATOM_PPLL1;
+ DRM_ERROR("unable to allocate a PPLL\n");
+ return ATOM_PPLL_INVALID;
+ } else {
+ /* CI/KV has PPLL0, PPLL1, and PPLL2 */
+ pll_in_use = amdgpu_pll_get_use_mask(crtc);
+ if (!(pll_in_use & (1 << ATOM_PPLL2)))
+ return ATOM_PPLL2;
+ if (!(pll_in_use & (1 << ATOM_PPLL1)))
+ return ATOM_PPLL1;
+ if (!(pll_in_use & (1 << ATOM_PPLL0)))
+ return ATOM_PPLL0;
+ DRM_ERROR("unable to allocate a PPLL\n");
+ return ATOM_PPLL_INVALID;
+ }
+ return ATOM_PPLL_INVALID;
+}
+
+static void dce_v8_0_lock_cursor(struct drm_crtc *crtc, bool lock)
+{
+ struct amdgpu_device *adev = drm_to_adev(crtc->dev);
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ uint32_t cur_lock;
+
+ cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
+ if (lock)
+ cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
+ else
+ cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
+ WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
+}
+
+static void dce_v8_0_hide_cursor(struct drm_crtc *crtc)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ struct amdgpu_device *adev = drm_to_adev(crtc->dev);
+
+ WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
+ (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
+ (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
+}
+
+static void dce_v8_0_show_cursor(struct drm_crtc *crtc)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ struct amdgpu_device *adev = drm_to_adev(crtc->dev);
+
+ WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
+ upper_32_bits(amdgpu_crtc->cursor_addr));
+ WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
+ lower_32_bits(amdgpu_crtc->cursor_addr));
+
+ WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
+ CUR_CONTROL__CURSOR_EN_MASK |
+ (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
+ (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
+}
+
+static int dce_v8_0_cursor_move_locked(struct drm_crtc *crtc,
+ int x, int y)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ struct amdgpu_device *adev = drm_to_adev(crtc->dev);
+ int xorigin = 0, yorigin = 0;
+
+ amdgpu_crtc->cursor_x = x;
+ amdgpu_crtc->cursor_y = y;
+
+ /* avivo cursor are offset into the total surface */
+ x += crtc->x;
+ y += crtc->y;
+ DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
+
+ if (x < 0) {
+ xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
+ x = 0;
+ }
+ if (y < 0) {
+ yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
+ y = 0;
+ }
+
+ WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
+ WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
+ WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
+ ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
+
+ return 0;
+}
+
+static int dce_v8_0_crtc_cursor_move(struct drm_crtc *crtc,
+ int x, int y)
+{
+ int ret;
+
+ dce_v8_0_lock_cursor(crtc, true);
+ ret = dce_v8_0_cursor_move_locked(crtc, x, y);
+ dce_v8_0_lock_cursor(crtc, false);
+
+ return ret;
+}
+
+static int dce_v8_0_crtc_cursor_set2(struct drm_crtc *crtc,
+ struct drm_file *file_priv,
+ uint32_t handle,
+ uint32_t width,
+ uint32_t height,
+ int32_t hot_x,
+ int32_t hot_y)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ struct drm_gem_object *obj;
+ struct amdgpu_bo *aobj;
+ int ret;
+
+ if (!handle) {
+ /* turn off cursor */
+ dce_v8_0_hide_cursor(crtc);
+ obj = NULL;
+ goto unpin;
+ }
+
+ if ((width > amdgpu_crtc->max_cursor_width) ||
+ (height > amdgpu_crtc->max_cursor_height)) {
+ DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
+ return -EINVAL;
+ }
+
+ obj = drm_gem_object_lookup(file_priv, handle);
+ if (!obj) {
+ DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
+ return -ENOENT;
+ }
+
+ aobj = gem_to_amdgpu_bo(obj);
+ ret = amdgpu_bo_reserve(aobj, false);
+ if (ret != 0) {
+ drm_gem_object_put(obj);
+ return ret;
+ }
+
+ ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
+ amdgpu_bo_unreserve(aobj);
+ if (ret) {
+ DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
+ drm_gem_object_put(obj);
+ return ret;
+ }
+ amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
+
+ dce_v8_0_lock_cursor(crtc, true);
+
+ if (width != amdgpu_crtc->cursor_width ||
+ height != amdgpu_crtc->cursor_height ||
+ hot_x != amdgpu_crtc->cursor_hot_x ||
+ hot_y != amdgpu_crtc->cursor_hot_y) {
+ int x, y;
+
+ x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
+ y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
+
+ dce_v8_0_cursor_move_locked(crtc, x, y);
+
+ amdgpu_crtc->cursor_width = width;
+ amdgpu_crtc->cursor_height = height;
+ amdgpu_crtc->cursor_hot_x = hot_x;
+ amdgpu_crtc->cursor_hot_y = hot_y;
+ }
+
+ dce_v8_0_show_cursor(crtc);
+ dce_v8_0_lock_cursor(crtc, false);
+
+unpin:
+ if (amdgpu_crtc->cursor_bo) {
+ struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
+ ret = amdgpu_bo_reserve(aobj, true);
+ if (likely(ret == 0)) {
+ amdgpu_bo_unpin(aobj);
+ amdgpu_bo_unreserve(aobj);
+ }
+ drm_gem_object_put(amdgpu_crtc->cursor_bo);
+ }
+
+ amdgpu_crtc->cursor_bo = obj;
+ return 0;
+}
+
+static void dce_v8_0_cursor_reset(struct drm_crtc *crtc)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+
+ if (amdgpu_crtc->cursor_bo) {
+ dce_v8_0_lock_cursor(crtc, true);
+
+ dce_v8_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
+ amdgpu_crtc->cursor_y);
+
+ dce_v8_0_show_cursor(crtc);
+
+ dce_v8_0_lock_cursor(crtc, false);
+ }
+}
+
+static int dce_v8_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
+ u16 *blue, uint32_t size,
+ struct drm_modeset_acquire_ctx *ctx)
+{
+ dce_v8_0_crtc_load_lut(crtc);
+
+ return 0;
+}
+
+static void dce_v8_0_crtc_destroy(struct drm_crtc *crtc)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+
+ drm_crtc_cleanup(crtc);
+ kfree(amdgpu_crtc);
+}
+
+static const struct drm_crtc_funcs dce_v8_0_crtc_funcs = {
+ .cursor_set2 = dce_v8_0_crtc_cursor_set2,
+ .cursor_move = dce_v8_0_crtc_cursor_move,
+ .gamma_set = dce_v8_0_crtc_gamma_set,
+ .set_config = amdgpu_display_crtc_set_config,
+ .destroy = dce_v8_0_crtc_destroy,
+ .page_flip_target = amdgpu_display_crtc_page_flip_target,
+ .get_vblank_counter = amdgpu_get_vblank_counter_kms,
+ .enable_vblank = amdgpu_enable_vblank_kms,
+ .disable_vblank = amdgpu_disable_vblank_kms,
+ .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
+};
+
+static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ unsigned type;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ amdgpu_crtc->enabled = true;
+ amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
+ dce_v8_0_vga_enable(crtc, true);
+ amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
+ dce_v8_0_vga_enable(crtc, false);
+ /* Make sure VBLANK and PFLIP interrupts are still enabled */
+ type = amdgpu_display_crtc_idx_to_irq_type(adev,
+ amdgpu_crtc->crtc_id);
+ amdgpu_irq_update(adev, &adev->crtc_irq, type);
+ amdgpu_irq_update(adev, &adev->pageflip_irq, type);
+ drm_crtc_vblank_on(crtc);
+ dce_v8_0_crtc_load_lut(crtc);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ drm_crtc_vblank_off(crtc);
+ if (amdgpu_crtc->enabled) {
+ dce_v8_0_vga_enable(crtc, true);
+ amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
+ dce_v8_0_vga_enable(crtc, false);
+ }
+ amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
+ amdgpu_crtc->enabled = false;
+ break;
+ }
+ /* adjust pm to dpms */
+ amdgpu_dpm_compute_clocks(adev);
+}
+
+static void dce_v8_0_crtc_prepare(struct drm_crtc *crtc)
+{
+ /* disable crtc pair power gating before programming */
+ amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
+ amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
+ dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+}
+
+static void dce_v8_0_crtc_commit(struct drm_crtc *crtc)
+{
+ dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
+ amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
+}
+
+static void dce_v8_0_crtc_disable(struct drm_crtc *crtc)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ struct amdgpu_atom_ss ss;
+ int i;
+
+ dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+ if (crtc->primary->fb) {
+ int r;
+ struct amdgpu_bo *abo;
+
+ abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
+ r = amdgpu_bo_reserve(abo, true);
+ if (unlikely(r))
+ DRM_ERROR("failed to reserve abo before unpin\n");
+ else {
+ amdgpu_bo_unpin(abo);
+ amdgpu_bo_unreserve(abo);
+ }
+ }
+ /* disable the GRPH */
+ dce_v8_0_grph_enable(crtc, false);
+
+ amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
+
+ for (i = 0; i < adev->mode_info.num_crtc; i++) {
+ if (adev->mode_info.crtcs[i] &&
+ adev->mode_info.crtcs[i]->enabled &&
+ i != amdgpu_crtc->crtc_id &&
+ amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
+ /* one other crtc is using this pll don't turn
+ * off the pll
+ */
+ goto done;
+ }
+ }
+
+ switch (amdgpu_crtc->pll_id) {
+ case ATOM_PPLL1:
+ case ATOM_PPLL2:
+ /* disable the ppll */
+ amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
+ 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
+ break;
+ case ATOM_PPLL0:
+ /* disable the ppll */
+ if ((adev->asic_type == CHIP_KAVERI) ||
+ (adev->asic_type == CHIP_BONAIRE) ||
+ (adev->asic_type == CHIP_HAWAII))
+ amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
+ 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
+ break;
+ default:
+ break;
+ }
+done:
+ amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
+ amdgpu_crtc->adjusted_clock = 0;
+ amdgpu_crtc->encoder = NULL;
+ amdgpu_crtc->connector = NULL;
+}
+
+static int dce_v8_0_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y, struct drm_framebuffer *old_fb)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+
+ if (!amdgpu_crtc->adjusted_clock)
+ return -EINVAL;
+
+ amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
+ amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
+ dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
+ amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
+ amdgpu_atombios_crtc_scaler_setup(crtc);
+ dce_v8_0_cursor_reset(crtc);
+ /* update the hw version fpr dpm */
+ amdgpu_crtc->hw_mode = *adjusted_mode;
+
+ return 0;
+}
+
+static bool dce_v8_0_crtc_mode_fixup(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct drm_encoder *encoder;
+
+ /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ if (encoder->crtc == crtc) {
+ amdgpu_crtc->encoder = encoder;
+ amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
+ break;
+ }
+ }
+ if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
+ amdgpu_crtc->encoder = NULL;
+ amdgpu_crtc->connector = NULL;
+ return false;
+ }
+ if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
+ return false;
+ if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
+ return false;
+ /* pick pll */
+ amdgpu_crtc->pll_id = dce_v8_0_pick_pll(crtc);
+ /* if we can't get a PPLL for a non-DP encoder, fail */
+ if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
+ !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
+ return false;
+
+ return true;
+}
+
+static int dce_v8_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ return dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
+}
+
+static int dce_v8_0_crtc_set_base_atomic(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ int x, int y, enum mode_set_atomic state)
+{
+ return dce_v8_0_crtc_do_set_base(crtc, fb, x, y, 1);
+}
+
+static const struct drm_crtc_helper_funcs dce_v8_0_crtc_helper_funcs = {
+ .dpms = dce_v8_0_crtc_dpms,
+ .mode_fixup = dce_v8_0_crtc_mode_fixup,
+ .mode_set = dce_v8_0_crtc_mode_set,
+ .mode_set_base = dce_v8_0_crtc_set_base,
+ .mode_set_base_atomic = dce_v8_0_crtc_set_base_atomic,
+ .prepare = dce_v8_0_crtc_prepare,
+ .commit = dce_v8_0_crtc_commit,
+ .disable = dce_v8_0_crtc_disable,
+ .get_scanout_position = amdgpu_crtc_get_scanout_position,
+};
+
+static int dce_v8_0_crtc_init(struct amdgpu_device *adev, int index)
+{
+ struct amdgpu_crtc *amdgpu_crtc;
+
+ amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
+ (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
+ if (amdgpu_crtc == NULL)
+ return -ENOMEM;
+
+ drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v8_0_crtc_funcs);
+
+ drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
+ amdgpu_crtc->crtc_id = index;
+ adev->mode_info.crtcs[index] = amdgpu_crtc;
+
+ amdgpu_crtc->max_cursor_width = CIK_CURSOR_WIDTH;
+ amdgpu_crtc->max_cursor_height = CIK_CURSOR_HEIGHT;
+ adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
+ adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
+
+ amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
+
+ amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
+ amdgpu_crtc->adjusted_clock = 0;
+ amdgpu_crtc->encoder = NULL;
+ amdgpu_crtc->connector = NULL;
+ drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v8_0_crtc_helper_funcs);
+
+ return 0;
+}
+
+static int dce_v8_0_early_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ adev->audio_endpt_rreg = &dce_v8_0_audio_endpt_rreg;
+ adev->audio_endpt_wreg = &dce_v8_0_audio_endpt_wreg;
+
+ dce_v8_0_set_display_funcs(adev);
+
+ adev->mode_info.num_crtc = dce_v8_0_get_num_crtc(adev);
+
+ switch (adev->asic_type) {
+ case CHIP_BONAIRE:
+ case CHIP_HAWAII:
+ adev->mode_info.num_hpd = 6;
+ adev->mode_info.num_dig = 6;
+ break;
+ case CHIP_KAVERI:
+ adev->mode_info.num_hpd = 6;
+ adev->mode_info.num_dig = 7;
+ break;
+ case CHIP_KABINI:
+ case CHIP_MULLINS:
+ adev->mode_info.num_hpd = 6;
+ adev->mode_info.num_dig = 6; /* ? */
+ break;
+ default:
+ /* FIXME: not supported yet */
+ return -EINVAL;
+ }
+
+ dce_v8_0_set_irq_funcs(adev);
+
+ return 0;
+}
+
+static int dce_v8_0_sw_init(void *handle)
+{
+ int r, i;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ for (i = 0; i < adev->mode_info.num_crtc; i++) {
+ r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
+ if (r)
+ return r;
+ }
+
+ for (i = 8; i < 20; i += 2) {
+ r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
+ if (r)
+ return r;
+ }
+
+ /* HPD hotplug */
+ r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
+ if (r)
+ return r;
+
+ adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
+
+ adev_to_drm(adev)->mode_config.async_page_flip = true;
+
+ adev_to_drm(adev)->mode_config.max_width = 16384;
+ adev_to_drm(adev)->mode_config.max_height = 16384;
+
+ adev_to_drm(adev)->mode_config.preferred_depth = 24;
+ if (adev->asic_type == CHIP_HAWAII)
+ /* disable prefer shadow for now due to hibernation issues */
+ adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+ else
+ adev_to_drm(adev)->mode_config.prefer_shadow = 1;
+
+ adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
+
+ adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
+
+ r = amdgpu_display_modeset_create_props(adev);
+ if (r)
+ return r;
+
+ adev_to_drm(adev)->mode_config.max_width = 16384;
+ adev_to_drm(adev)->mode_config.max_height = 16384;
+
+ /* allocate crtcs */
+ for (i = 0; i < adev->mode_info.num_crtc; i++) {
+ r = dce_v8_0_crtc_init(adev, i);
+ if (r)
+ return r;
+ }
+
+ if (amdgpu_atombios_get_connector_info_from_object_table(adev))
+ amdgpu_display_print_display_setup(adev_to_drm(adev));
+ else
+ return -EINVAL;
+
+ /* setup afmt */
+ r = dce_v8_0_afmt_init(adev);
+ if (r)
+ return r;
+
+ r = dce_v8_0_audio_init(adev);
+ if (r)
+ return r;
+
+ drm_kms_helper_poll_init(adev_to_drm(adev));
+
+ adev->mode_info.mode_config_initialized = true;
+ return 0;
+}
+
+static int dce_v8_0_sw_fini(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ kfree(adev->mode_info.bios_hardcoded_edid);
+
+ drm_kms_helper_poll_fini(adev_to_drm(adev));
+
+ dce_v8_0_audio_fini(adev);
+
+ dce_v8_0_afmt_fini(adev);
+
+ drm_mode_config_cleanup(adev_to_drm(adev));
+ adev->mode_info.mode_config_initialized = false;
+
+ return 0;
+}
+
+static int dce_v8_0_hw_init(void *handle)
+{
+ int i;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ /* disable vga render */
+ dce_v8_0_set_vga_render_state(adev, false);
+ /* init dig PHYs, disp eng pll */
+ amdgpu_atombios_encoder_init_dig(adev);
+ amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
+
+ /* initialize hpd */
+ dce_v8_0_hpd_init(adev);
+
+ for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
+ dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
+ }
+
+ dce_v8_0_pageflip_interrupt_init(adev);
+
+ return 0;
+}
+
+static int dce_v8_0_hw_fini(void *handle)
+{
+ int i;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ dce_v8_0_hpd_fini(adev);
+
+ for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
+ dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
+ }
+
+ dce_v8_0_pageflip_interrupt_fini(adev);
+
+ return 0;
+}
+
+static int dce_v8_0_suspend(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int r;
+
+ r = amdgpu_display_suspend_helper(adev);
+ if (r)
+ return r;
+
+ adev->mode_info.bl_level =
+ amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
+
+ return dce_v8_0_hw_fini(handle);
+}
+
+static int dce_v8_0_resume(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int ret;
+
+ amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
+ adev->mode_info.bl_level);
+
+ ret = dce_v8_0_hw_init(handle);
+
+ /* turn on the BL */
+ if (adev->mode_info.bl_encoder) {
+ u8 bl_level = amdgpu_display_backlight_get_level(adev,
+ adev->mode_info.bl_encoder);
+ amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
+ bl_level);
+ }
+ if (ret)
+ return ret;
+
+ return amdgpu_display_resume_helper(adev);
+}
+
+static bool dce_v8_0_is_idle(void *handle)
+{
+ return true;
+}
+
+static int dce_v8_0_wait_for_idle(void *handle)
+{
+ return 0;
+}
+
+static int dce_v8_0_soft_reset(void *handle)
+{
+ u32 srbm_soft_reset = 0, tmp;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ if (dce_v8_0_is_display_hung(adev))
+ srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
+
+ if (srbm_soft_reset) {
+ tmp = RREG32(mmSRBM_SOFT_RESET);
+ tmp |= srbm_soft_reset;
+ dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
+ WREG32(mmSRBM_SOFT_RESET, tmp);
+ tmp = RREG32(mmSRBM_SOFT_RESET);
+
+ udelay(50);
+
+ tmp &= ~srbm_soft_reset;
+ WREG32(mmSRBM_SOFT_RESET, tmp);
+ tmp = RREG32(mmSRBM_SOFT_RESET);
+
+ /* Wait a little for things to settle down */
+ udelay(50);
+ }
+ return 0;
+}
+
+static void dce_v8_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
+ int crtc,
+ enum amdgpu_interrupt_state state)
+{
+ u32 reg_block, lb_interrupt_mask;
+
+ if (crtc >= adev->mode_info.num_crtc) {
+ DRM_DEBUG("invalid crtc %d\n", crtc);
+ return;
+ }
+
+ switch (crtc) {
+ case 0:
+ reg_block = CRTC0_REGISTER_OFFSET;
+ break;
+ case 1:
+ reg_block = CRTC1_REGISTER_OFFSET;
+ break;
+ case 2:
+ reg_block = CRTC2_REGISTER_OFFSET;
+ break;
+ case 3:
+ reg_block = CRTC3_REGISTER_OFFSET;
+ break;
+ case 4:
+ reg_block = CRTC4_REGISTER_OFFSET;
+ break;
+ case 5:
+ reg_block = CRTC5_REGISTER_OFFSET;
+ break;
+ default:
+ DRM_DEBUG("invalid crtc %d\n", crtc);
+ return;
+ }
+
+ switch (state) {
+ case AMDGPU_IRQ_STATE_DISABLE:
+ lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
+ lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK;
+ WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
+ break;
+ case AMDGPU_IRQ_STATE_ENABLE:
+ lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
+ lb_interrupt_mask |= LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK;
+ WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
+ break;
+ default:
+ break;
+ }
+}
+
+static void dce_v8_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
+ int crtc,
+ enum amdgpu_interrupt_state state)
+{
+ u32 reg_block, lb_interrupt_mask;
+
+ if (crtc >= adev->mode_info.num_crtc) {
+ DRM_DEBUG("invalid crtc %d\n", crtc);
+ return;
+ }
+
+ switch (crtc) {
+ case 0:
+ reg_block = CRTC0_REGISTER_OFFSET;
+ break;
+ case 1:
+ reg_block = CRTC1_REGISTER_OFFSET;
+ break;
+ case 2:
+ reg_block = CRTC2_REGISTER_OFFSET;
+ break;
+ case 3:
+ reg_block = CRTC3_REGISTER_OFFSET;
+ break;
+ case 4:
+ reg_block = CRTC4_REGISTER_OFFSET;
+ break;
+ case 5:
+ reg_block = CRTC5_REGISTER_OFFSET;
+ break;
+ default:
+ DRM_DEBUG("invalid crtc %d\n", crtc);
+ return;
+ }
+
+ switch (state) {
+ case AMDGPU_IRQ_STATE_DISABLE:
+ lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
+ lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK;
+ WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
+ break;
+ case AMDGPU_IRQ_STATE_ENABLE:
+ lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
+ lb_interrupt_mask |= LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK;
+ WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
+ break;
+ default:
+ break;
+ }
+}
+
+static int dce_v8_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *src,
+ unsigned type,
+ enum amdgpu_interrupt_state state)
+{
+ u32 dc_hpd_int_cntl;
+
+ if (type >= adev->mode_info.num_hpd) {
+ DRM_DEBUG("invalid hdp %d\n", type);
+ return 0;
+ }
+
+ switch (state) {
+ case AMDGPU_IRQ_STATE_DISABLE:
+ dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
+ dc_hpd_int_cntl &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
+ WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
+ break;
+ case AMDGPU_IRQ_STATE_ENABLE:
+ dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
+ dc_hpd_int_cntl |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
+ WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int dce_v8_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *src,
+ unsigned type,
+ enum amdgpu_interrupt_state state)
+{
+ switch (type) {
+ case AMDGPU_CRTC_IRQ_VBLANK1:
+ dce_v8_0_set_crtc_vblank_interrupt_state(adev, 0, state);
+ break;
+ case AMDGPU_CRTC_IRQ_VBLANK2:
+ dce_v8_0_set_crtc_vblank_interrupt_state(adev, 1, state);
+ break;
+ case AMDGPU_CRTC_IRQ_VBLANK3:
+ dce_v8_0_set_crtc_vblank_interrupt_state(adev, 2, state);
+ break;
+ case AMDGPU_CRTC_IRQ_VBLANK4:
+ dce_v8_0_set_crtc_vblank_interrupt_state(adev, 3, state);
+ break;
+ case AMDGPU_CRTC_IRQ_VBLANK5:
+ dce_v8_0_set_crtc_vblank_interrupt_state(adev, 4, state);
+ break;
+ case AMDGPU_CRTC_IRQ_VBLANK6:
+ dce_v8_0_set_crtc_vblank_interrupt_state(adev, 5, state);
+ break;
+ case AMDGPU_CRTC_IRQ_VLINE1:
+ dce_v8_0_set_crtc_vline_interrupt_state(adev, 0, state);
+ break;
+ case AMDGPU_CRTC_IRQ_VLINE2:
+ dce_v8_0_set_crtc_vline_interrupt_state(adev, 1, state);
+ break;
+ case AMDGPU_CRTC_IRQ_VLINE3:
+ dce_v8_0_set_crtc_vline_interrupt_state(adev, 2, state);
+ break;
+ case AMDGPU_CRTC_IRQ_VLINE4:
+ dce_v8_0_set_crtc_vline_interrupt_state(adev, 3, state);
+ break;
+ case AMDGPU_CRTC_IRQ_VLINE5:
+ dce_v8_0_set_crtc_vline_interrupt_state(adev, 4, state);
+ break;
+ case AMDGPU_CRTC_IRQ_VLINE6:
+ dce_v8_0_set_crtc_vline_interrupt_state(adev, 5, state);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static int dce_v8_0_crtc_irq(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ unsigned crtc = entry->src_id - 1;
+ uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
+ unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
+ crtc);
+
+ switch (entry->src_data[0]) {
+ case 0: /* vblank */
+ if (disp_int & interrupt_status_offsets[crtc].vblank)
+ WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], LB_VBLANK_STATUS__VBLANK_ACK_MASK);
+ else
+ DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
+
+ if (amdgpu_irq_enabled(adev, source, irq_type)) {
+ drm_handle_vblank(adev_to_drm(adev), crtc);
+ }
+ DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
+ break;
+ case 1: /* vline */
+ if (disp_int & interrupt_status_offsets[crtc].vline)
+ WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], LB_VLINE_STATUS__VLINE_ACK_MASK);
+ else
+ DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
+
+ DRM_DEBUG("IH: D%d vline\n", crtc + 1);
+ break;
+ default:
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
+ break;
+ }
+
+ return 0;
+}
+
+static int dce_v8_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *src,
+ unsigned type,
+ enum amdgpu_interrupt_state state)
+{
+ u32 reg;
+
+ if (type >= adev->mode_info.num_crtc) {
+ DRM_ERROR("invalid pageflip crtc %d\n", type);
+ return -EINVAL;
+ }
+
+ reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
+ if (state == AMDGPU_IRQ_STATE_DISABLE)
+ WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
+ reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
+ else
+ WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
+ reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
+
+ return 0;
+}
+
+static int dce_v8_0_pageflip_irq(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ unsigned long flags;
+ unsigned crtc_id;
+ struct amdgpu_crtc *amdgpu_crtc;
+ struct amdgpu_flip_work *works;
+
+ crtc_id = (entry->src_id - 8) >> 1;
+ amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
+
+ if (crtc_id >= adev->mode_info.num_crtc) {
+ DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
+ return -EINVAL;
+ }
+
+ if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
+ GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
+ WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
+ GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
+
+ /* IRQ could occur when in initial stage */
+ if (amdgpu_crtc == NULL)
+ return 0;
+
+ spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
+ works = amdgpu_crtc->pflip_works;
+ if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
+ DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
+ "AMDGPU_FLIP_SUBMITTED(%d)\n",
+ amdgpu_crtc->pflip_status,
+ AMDGPU_FLIP_SUBMITTED);
+ spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
+ return 0;
+ }
+
+ /* page flip completed. clean up */
+ amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
+ amdgpu_crtc->pflip_works = NULL;
+
+ /* wakeup usersapce */
+ if (works->event)
+ drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
+
+ spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
+
+ drm_crtc_vblank_put(&amdgpu_crtc->base);
+ schedule_work(&works->unpin_work);
+
+ return 0;
+}
+
+static int dce_v8_0_hpd_irq(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ uint32_t disp_int, mask, tmp;
+ unsigned hpd;
+
+ if (entry->src_data[0] >= adev->mode_info.num_hpd) {
+ DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
+ return 0;
+ }
+
+ hpd = entry->src_data[0];
+ disp_int = RREG32(interrupt_status_offsets[hpd].reg);
+ mask = interrupt_status_offsets[hpd].hpd;
+
+ if (disp_int & mask) {
+ tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
+ tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
+ WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
+ schedule_work(&adev->hotplug_work);
+ DRM_DEBUG("IH: HPD%d\n", hpd + 1);
+ }
+
+ return 0;
+
+}
+
+static int dce_v8_0_set_clockgating_state(void *handle,
+ enum amd_clockgating_state state)
+{
+ return 0;
+}
+
+static int dce_v8_0_set_powergating_state(void *handle,
+ enum amd_powergating_state state)
+{
+ return 0;
+}
+
+static const struct amd_ip_funcs dce_v8_0_ip_funcs = {
+ .name = "dce_v8_0",
+ .early_init = dce_v8_0_early_init,
+ .late_init = NULL,
+ .sw_init = dce_v8_0_sw_init,
+ .sw_fini = dce_v8_0_sw_fini,
+ .hw_init = dce_v8_0_hw_init,
+ .hw_fini = dce_v8_0_hw_fini,
+ .suspend = dce_v8_0_suspend,
+ .resume = dce_v8_0_resume,
+ .is_idle = dce_v8_0_is_idle,
+ .wait_for_idle = dce_v8_0_wait_for_idle,
+ .soft_reset = dce_v8_0_soft_reset,
+ .set_clockgating_state = dce_v8_0_set_clockgating_state,
+ .set_powergating_state = dce_v8_0_set_powergating_state,
+};
+
+static void
+dce_v8_0_encoder_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+
+ amdgpu_encoder->pixel_clock = adjusted_mode->clock;
+
+ /* need to call this here rather than in prepare() since we need some crtc info */
+ amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
+
+ /* set scaler clears this on some chips */
+ dce_v8_0_set_interleave(encoder->crtc, mode);
+
+ if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
+ dce_v8_0_afmt_enable(encoder, true);
+ dce_v8_0_afmt_setmode(encoder, adjusted_mode);
+ }
+}
+
+static void dce_v8_0_encoder_prepare(struct drm_encoder *encoder)
+{
+ struct amdgpu_device *adev = drm_to_adev(encoder->dev);
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
+
+ if ((amdgpu_encoder->active_device &
+ (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
+ (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
+ ENCODER_OBJECT_ID_NONE)) {
+ struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
+ if (dig) {
+ dig->dig_encoder = dce_v8_0_pick_dig_encoder(encoder);
+ if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
+ dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
+ }
+ }
+
+ amdgpu_atombios_scratch_regs_lock(adev, true);
+
+ if (connector) {
+ struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
+
+ /* select the clock/data port if it uses a router */
+ if (amdgpu_connector->router.cd_valid)
+ amdgpu_i2c_router_select_cd_port(amdgpu_connector);
+
+ /* turn eDP panel on for mode set */
+ if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
+ amdgpu_atombios_encoder_set_edp_panel_power(connector,
+ ATOM_TRANSMITTER_ACTION_POWER_ON);
+ }
+
+ /* this is needed for the pll/ss setup to work correctly in some cases */
+ amdgpu_atombios_encoder_set_crtc_source(encoder);
+ /* set up the FMT blocks */
+ dce_v8_0_program_fmt(encoder);
+}
+
+static void dce_v8_0_encoder_commit(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+
+ /* need to call this here as we need the crtc set up */
+ amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
+ amdgpu_atombios_scratch_regs_lock(adev, false);
+}
+
+static void dce_v8_0_encoder_disable(struct drm_encoder *encoder)
+{
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ struct amdgpu_encoder_atom_dig *dig;
+
+ amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
+
+ if (amdgpu_atombios_encoder_is_digital(encoder)) {
+ if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
+ dce_v8_0_afmt_enable(encoder, false);
+ dig = amdgpu_encoder->enc_priv;
+ dig->dig_encoder = -1;
+ }
+ amdgpu_encoder->active_device = 0;
+}
+
+/* these are handled by the primary encoders */
+static void dce_v8_0_ext_prepare(struct drm_encoder *encoder)
+{
+
+}
+
+static void dce_v8_0_ext_commit(struct drm_encoder *encoder)
+{
+
+}
+
+static void
+dce_v8_0_ext_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+
+}
+
+static void dce_v8_0_ext_disable(struct drm_encoder *encoder)
+{
+
+}
+
+static void
+dce_v8_0_ext_dpms(struct drm_encoder *encoder, int mode)
+{
+
+}
+
+static const struct drm_encoder_helper_funcs dce_v8_0_ext_helper_funcs = {
+ .dpms = dce_v8_0_ext_dpms,
+ .prepare = dce_v8_0_ext_prepare,
+ .mode_set = dce_v8_0_ext_mode_set,
+ .commit = dce_v8_0_ext_commit,
+ .disable = dce_v8_0_ext_disable,
+ /* no detect for TMDS/LVDS yet */
+};
+
+static const struct drm_encoder_helper_funcs dce_v8_0_dig_helper_funcs = {
+ .dpms = amdgpu_atombios_encoder_dpms,
+ .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
+ .prepare = dce_v8_0_encoder_prepare,
+ .mode_set = dce_v8_0_encoder_mode_set,
+ .commit = dce_v8_0_encoder_commit,
+ .disable = dce_v8_0_encoder_disable,
+ .detect = amdgpu_atombios_encoder_dig_detect,
+};
+
+static const struct drm_encoder_helper_funcs dce_v8_0_dac_helper_funcs = {
+ .dpms = amdgpu_atombios_encoder_dpms,
+ .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
+ .prepare = dce_v8_0_encoder_prepare,
+ .mode_set = dce_v8_0_encoder_mode_set,
+ .commit = dce_v8_0_encoder_commit,
+ .detect = amdgpu_atombios_encoder_dac_detect,
+};
+
+static void dce_v8_0_encoder_destroy(struct drm_encoder *encoder)
+{
+ struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
+ if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
+ amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
+ kfree(amdgpu_encoder->enc_priv);
+ drm_encoder_cleanup(encoder);
+ kfree(amdgpu_encoder);
+}
+
+static const struct drm_encoder_funcs dce_v8_0_encoder_funcs = {
+ .destroy = dce_v8_0_encoder_destroy,
+};
+
+static void dce_v8_0_encoder_add(struct amdgpu_device *adev,
+ uint32_t encoder_enum,
+ uint32_t supported_device,
+ u16 caps)
+{
+ struct drm_device *dev = adev_to_drm(adev);
+ struct drm_encoder *encoder;
+ struct amdgpu_encoder *amdgpu_encoder;
+
+ /* see if we already added it */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ amdgpu_encoder = to_amdgpu_encoder(encoder);
+ if (amdgpu_encoder->encoder_enum == encoder_enum) {
+ amdgpu_encoder->devices |= supported_device;
+ return;
+ }
+
+ }
+
+ /* add a new one */
+ amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
+ if (!amdgpu_encoder)
+ return;
+
+ encoder = &amdgpu_encoder->base;
+ switch (adev->mode_info.num_crtc) {
+ case 1:
+ encoder->possible_crtcs = 0x1;
+ break;
+ case 2:
+ default:
+ encoder->possible_crtcs = 0x3;
+ break;
+ case 4:
+ encoder->possible_crtcs = 0xf;
+ break;
+ case 6:
+ encoder->possible_crtcs = 0x3f;
+ break;
+ }
+
+ amdgpu_encoder->enc_priv = NULL;
+
+ amdgpu_encoder->encoder_enum = encoder_enum;
+ amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
+ amdgpu_encoder->devices = supported_device;
+ amdgpu_encoder->rmx_type = RMX_OFF;
+ amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
+ amdgpu_encoder->is_ext_encoder = false;
+ amdgpu_encoder->caps = caps;
+
+ switch (amdgpu_encoder->encoder_id) {
+ case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
+ case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
+ drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
+ DRM_MODE_ENCODER_DAC, NULL);
+ drm_encoder_helper_add(encoder, &dce_v8_0_dac_helper_funcs);
+ break;
+ case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+ case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
+ if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
+ amdgpu_encoder->rmx_type = RMX_FULL;
+ drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
+ DRM_MODE_ENCODER_LVDS, NULL);
+ amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
+ } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
+ drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
+ DRM_MODE_ENCODER_DAC, NULL);
+ amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
+ } else {
+ drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS, NULL);
+ amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
+ }
+ drm_encoder_helper_add(encoder, &dce_v8_0_dig_helper_funcs);
+ break;
+ case ENCODER_OBJECT_ID_SI170B:
+ case ENCODER_OBJECT_ID_CH7303:
+ case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
+ case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
+ case ENCODER_OBJECT_ID_TITFP513:
+ case ENCODER_OBJECT_ID_VT1623:
+ case ENCODER_OBJECT_ID_HDMI_SI1930:
+ case ENCODER_OBJECT_ID_TRAVIS:
+ case ENCODER_OBJECT_ID_NUTMEG:
+ /* these are handled by the primary encoders */
+ amdgpu_encoder->is_ext_encoder = true;
+ if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
+ drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
+ DRM_MODE_ENCODER_LVDS, NULL);
+ else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
+ drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
+ DRM_MODE_ENCODER_DAC, NULL);
+ else
+ drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS, NULL);
+ drm_encoder_helper_add(encoder, &dce_v8_0_ext_helper_funcs);
+ break;
+ }
+}
+
+static const struct amdgpu_display_funcs dce_v8_0_display_funcs = {
+ .bandwidth_update = &dce_v8_0_bandwidth_update,
+ .vblank_get_counter = &dce_v8_0_vblank_get_counter,
+ .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
+ .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
+ .hpd_sense = &dce_v8_0_hpd_sense,
+ .hpd_set_polarity = &dce_v8_0_hpd_set_polarity,
+ .hpd_get_gpio_reg = &dce_v8_0_hpd_get_gpio_reg,
+ .page_flip = &dce_v8_0_page_flip,
+ .page_flip_get_scanoutpos = &dce_v8_0_crtc_get_scanoutpos,
+ .add_encoder = &dce_v8_0_encoder_add,
+ .add_connector = &amdgpu_connector_add,
+};
+
+static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev)
+{
+ adev->mode_info.funcs = &dce_v8_0_display_funcs;
+}
+
+static const struct amdgpu_irq_src_funcs dce_v8_0_crtc_irq_funcs = {
+ .set = dce_v8_0_set_crtc_interrupt_state,
+ .process = dce_v8_0_crtc_irq,
+};
+
+static const struct amdgpu_irq_src_funcs dce_v8_0_pageflip_irq_funcs = {
+ .set = dce_v8_0_set_pageflip_interrupt_state,
+ .process = dce_v8_0_pageflip_irq,
+};
+
+static const struct amdgpu_irq_src_funcs dce_v8_0_hpd_irq_funcs = {
+ .set = dce_v8_0_set_hpd_interrupt_state,
+ .process = dce_v8_0_hpd_irq,
+};
+
+static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev)
+{
+ if (adev->mode_info.num_crtc > 0)
+ adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
+ else
+ adev->crtc_irq.num_types = 0;
+ adev->crtc_irq.funcs = &dce_v8_0_crtc_irq_funcs;
+
+ adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
+ adev->pageflip_irq.funcs = &dce_v8_0_pageflip_irq_funcs;
+
+ adev->hpd_irq.num_types = adev->mode_info.num_hpd;
+ adev->hpd_irq.funcs = &dce_v8_0_hpd_irq_funcs;
+}
+
+const struct amdgpu_ip_block_version dce_v8_0_ip_block =
+{
+ .type = AMD_IP_BLOCK_TYPE_DCE,
+ .major = 8,
+ .minor = 0,
+ .rev = 0,
+ .funcs = &dce_v8_0_ip_funcs,
+};
+
+const struct amdgpu_ip_block_version dce_v8_1_ip_block =
+{
+ .type = AMD_IP_BLOCK_TYPE_DCE,
+ .major = 8,
+ .minor = 1,
+ .rev = 0,
+ .funcs = &dce_v8_0_ip_funcs,
+};
+
+const struct amdgpu_ip_block_version dce_v8_2_ip_block =
+{
+ .type = AMD_IP_BLOCK_TYPE_DCE,
+ .major = 8,
+ .minor = 2,
+ .rev = 0,
+ .funcs = &dce_v8_0_ip_funcs,
+};
+
+const struct amdgpu_ip_block_version dce_v8_3_ip_block =
+{
+ .type = AMD_IP_BLOCK_TYPE_DCE,
+ .major = 8,
+ .minor = 3,
+ .rev = 0,
+ .funcs = &dce_v8_0_ip_funcs,
+};
+
+const struct amdgpu_ip_block_version dce_v8_5_ip_block =
+{
+ .type = AMD_IP_BLOCK_TYPE_DCE,
+ .major = 8,
+ .minor = 5,
+ .rev = 0,
+ .funcs = &dce_v8_0_ip_funcs,
+};