Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1276 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
new file mode 100644
index 0000000000..76260fdfba
--- /dev/null
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -0,0 +1,1276 @@
+/*
+ * Copyright 2008 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * 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.
+ *
+ * Authors: Dave Airlie
+ *          Alex Deucher
+ *          Jerome Glisse
+ */
+
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+
+#include <drm/drm_device.h>
+#include <drm/drm_file.h>
+
+#include "atom.h"
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "rv515_reg_safe.h"
+#include "rv515d.h"
+
+/* This files gather functions specifics to: rv515 */
+static void rv515_gpu_init(struct radeon_device *rdev);
+int rv515_mc_wait_for_idle(struct radeon_device *rdev);
+
+static const u32 crtc_offsets[2] =
+{
+	0,
+	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
+};
+
+void rv515_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
+{
+	int r;
+
+	r = radeon_ring_lock(rdev, ring, 64);
+	if (r) {
+		return;
+	}
+	radeon_ring_write(ring, PACKET0(ISYNC_CNTL, 0));
+	radeon_ring_write(ring,
+			  ISYNC_ANY2D_IDLE3D |
+			  ISYNC_ANY3D_IDLE2D |
+			  ISYNC_WAIT_IDLEGUI |
+			  ISYNC_CPSCRATCH_IDLEGUI);
+	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
+	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
+	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
+	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
+	radeon_ring_write(ring, PACKET0(GB_SELECT, 0));
+	radeon_ring_write(ring, 0);
+	radeon_ring_write(ring, PACKET0(GB_ENABLE, 0));
+	radeon_ring_write(ring, 0);
+	radeon_ring_write(ring, PACKET0(R500_SU_REG_DEST, 0));
+	radeon_ring_write(ring, (1 << rdev->num_gb_pipes) - 1);
+	radeon_ring_write(ring, PACKET0(VAP_INDEX_OFFSET, 0));
+	radeon_ring_write(ring, 0);
+	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
+	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
+	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
+	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
+	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
+	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
+	radeon_ring_write(ring, PACKET0(GB_AA_CONFIG, 0));
+	radeon_ring_write(ring, 0);
+	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
+	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
+	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
+	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
+	radeon_ring_write(ring, PACKET0(GB_MSPOS0, 0));
+	radeon_ring_write(ring,
+			  ((6 << MS_X0_SHIFT) |
+			   (6 << MS_Y0_SHIFT) |
+			   (6 << MS_X1_SHIFT) |
+			   (6 << MS_Y1_SHIFT) |
+			   (6 << MS_X2_SHIFT) |
+			   (6 << MS_Y2_SHIFT) |
+			   (6 << MSBD0_Y_SHIFT) |
+			   (6 << MSBD0_X_SHIFT)));
+	radeon_ring_write(ring, PACKET0(GB_MSPOS1, 0));
+	radeon_ring_write(ring,
+			  ((6 << MS_X3_SHIFT) |
+			   (6 << MS_Y3_SHIFT) |
+			   (6 << MS_X4_SHIFT) |
+			   (6 << MS_Y4_SHIFT) |
+			   (6 << MS_X5_SHIFT) |
+			   (6 << MS_Y5_SHIFT) |
+			   (6 << MSBD1_SHIFT)));
+	radeon_ring_write(ring, PACKET0(GA_ENHANCE, 0));
+	radeon_ring_write(ring, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
+	radeon_ring_write(ring, PACKET0(GA_POLY_MODE, 0));
+	radeon_ring_write(ring, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
+	radeon_ring_write(ring, PACKET0(GA_ROUND_MODE, 0));
+	radeon_ring_write(ring, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
+	radeon_ring_write(ring, PACKET0(0x20C8, 0));
+	radeon_ring_write(ring, 0);
+	radeon_ring_unlock_commit(rdev, ring, false);
+}
+
+int rv515_mc_wait_for_idle(struct radeon_device *rdev)
+{
+	unsigned i;
+	uint32_t tmp;
+
+	for (i = 0; i < rdev->usec_timeout; i++) {
+		/* read MC_STATUS */
+		tmp = RREG32_MC(MC_STATUS);
+		if (tmp & MC_STATUS_IDLE) {
+			return 0;
+		}
+		udelay(1);
+	}
+	return -1;
+}
+
+void rv515_vga_render_disable(struct radeon_device *rdev)
+{
+	WREG32(R_000300_VGA_RENDER_CONTROL,
+		RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
+}
+
+static void rv515_gpu_init(struct radeon_device *rdev)
+{
+	unsigned pipe_select_current, gb_pipe_select, tmp;
+
+	if (r100_gui_wait_for_idle(rdev)) {
+		pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n");
+	}
+	rv515_vga_render_disable(rdev);
+	r420_pipes_init(rdev);
+	gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
+	tmp = RREG32(R300_DST_PIPE_CONFIG);
+	pipe_select_current = (tmp >> 2) & 3;
+	tmp = (1 << pipe_select_current) |
+	      (((gb_pipe_select >> 8) & 0xF) << 4);
+	WREG32_PLL(0x000D, tmp);
+	if (r100_gui_wait_for_idle(rdev)) {
+		pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n");
+	}
+	if (rv515_mc_wait_for_idle(rdev)) {
+		pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
+	}
+}
+
+static void rv515_vram_get_type(struct radeon_device *rdev)
+{
+	uint32_t tmp;
+
+	rdev->mc.vram_width = 128;
+	rdev->mc.vram_is_ddr = true;
+	tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
+	switch (tmp) {
+	case 0:
+		rdev->mc.vram_width = 64;
+		break;
+	case 1:
+		rdev->mc.vram_width = 128;
+		break;
+	default:
+		rdev->mc.vram_width = 128;
+		break;
+	}
+}
+
+static void rv515_mc_init(struct radeon_device *rdev)
+{
+
+	rv515_vram_get_type(rdev);
+	r100_vram_init_sizes(rdev);
+	radeon_vram_location(rdev, &rdev->mc, 0);
+	rdev->mc.gtt_base_align = 0;
+	if (!(rdev->flags & RADEON_IS_AGP))
+		radeon_gtt_location(rdev, &rdev->mc);
+	radeon_update_bandwidth_info(rdev);
+}
+
+uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
+{
+	unsigned long flags;
+	uint32_t r;
+
+	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
+	WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
+	r = RREG32(MC_IND_DATA);
+	WREG32(MC_IND_INDEX, 0);
+	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
+
+	return r;
+}
+
+void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
+	WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
+	WREG32(MC_IND_DATA, (v));
+	WREG32(MC_IND_INDEX, 0);
+	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
+}
+
+#if defined(CONFIG_DEBUG_FS)
+static int rv515_debugfs_pipes_info_show(struct seq_file *m, void *unused)
+{
+	struct radeon_device *rdev = m->private;
+	uint32_t tmp;
+
+	tmp = RREG32(GB_PIPE_SELECT);
+	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
+	tmp = RREG32(SU_REG_DEST);
+	seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
+	tmp = RREG32(GB_TILE_CONFIG);
+	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
+	tmp = RREG32(DST_PIPE_CONFIG);
+	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
+	return 0;
+}
+
+static int rv515_debugfs_ga_info_show(struct seq_file *m, void *unused)
+{
+	struct radeon_device *rdev = m->private;
+	uint32_t tmp;
+
+	tmp = RREG32(0x2140);
+	seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
+	radeon_asic_reset(rdev);
+	tmp = RREG32(0x425C);
+	seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(rv515_debugfs_pipes_info);
+DEFINE_SHOW_ATTRIBUTE(rv515_debugfs_ga_info);
+#endif
+
+void rv515_debugfs(struct radeon_device *rdev)
+{
+#if defined(CONFIG_DEBUG_FS)
+	struct dentry *root = rdev->ddev->primary->debugfs_root;
+
+	debugfs_create_file("rv515_pipes_info", 0444, root, rdev,
+			    &rv515_debugfs_pipes_info_fops);
+	debugfs_create_file("rv515_ga_info", 0444, root, rdev,
+			    &rv515_debugfs_ga_info_fops);
+#endif
+	r100_debugfs_rbbm_init(rdev);
+}
+
+void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
+{
+	u32 crtc_enabled, tmp, frame_count, blackout;
+	int i, j;
+
+	save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
+	save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
+
+	/* disable VGA render */
+	WREG32(R_000300_VGA_RENDER_CONTROL, 0);
+	/* blank the display controllers */
+	for (i = 0; i < rdev->num_crtc; i++) {
+		crtc_enabled = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN;
+		if (crtc_enabled) {
+			save->crtc_enabled[i] = true;
+			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
+			if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) {
+				radeon_wait_for_vblank(rdev, i);
+				WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+				tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
+				WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
+				WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
+			}
+			/* wait for the next frame */
+			frame_count = radeon_get_vblank_counter(rdev, i);
+			for (j = 0; j < rdev->usec_timeout; j++) {
+				if (radeon_get_vblank_counter(rdev, i) != frame_count)
+					break;
+				udelay(1);
+			}
+
+			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
+			WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
+			tmp &= ~AVIVO_CRTC_EN;
+			WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
+			WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
+			save->crtc_enabled[i] = false;
+			/* ***** */
+		} else {
+			save->crtc_enabled[i] = false;
+		}
+	}
+
+	radeon_mc_wait_for_idle(rdev);
+
+	if (rdev->family >= CHIP_R600) {
+		if (rdev->family >= CHIP_RV770)
+			blackout = RREG32(R700_MC_CITF_CNTL);
+		else
+			blackout = RREG32(R600_CITF_CNTL);
+		if ((blackout & R600_BLACKOUT_MASK) != R600_BLACKOUT_MASK) {
+			/* Block CPU access */
+			WREG32(R600_BIF_FB_EN, 0);
+			/* blackout the MC */
+			blackout |= R600_BLACKOUT_MASK;
+			if (rdev->family >= CHIP_RV770)
+				WREG32(R700_MC_CITF_CNTL, blackout);
+			else
+				WREG32(R600_CITF_CNTL, blackout);
+		}
+	}
+	/* wait for the MC to settle */
+	udelay(100);
+
+	/* lock double buffered regs */
+	for (i = 0; i < rdev->num_crtc; i++) {
+		if (save->crtc_enabled[i]) {
+			tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
+			if (!(tmp & AVIVO_D1GRPH_UPDATE_LOCK)) {
+				tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
+				WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
+			}
+			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
+			if (!(tmp & 1)) {
+				tmp |= 1;
+				WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
+			}
+		}
+	}
+}
+
+void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
+{
+	u32 tmp, frame_count;
+	int i, j;
+
+	/* update crtc base addresses */
+	for (i = 0; i < rdev->num_crtc; i++) {
+		if (rdev->family >= CHIP_RV770) {
+			if (i == 0) {
+				WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
+				       upper_32_bits(rdev->mc.vram_start));
+				WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
+				       upper_32_bits(rdev->mc.vram_start));
+			} else {
+				WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
+				       upper_32_bits(rdev->mc.vram_start));
+				WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
+				       upper_32_bits(rdev->mc.vram_start));
+			}
+		}
+		WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
+		       (u32)rdev->mc.vram_start);
+		WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
+		       (u32)rdev->mc.vram_start);
+	}
+	WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
+
+	/* unlock regs and wait for update */
+	for (i = 0; i < rdev->num_crtc; i++) {
+		if (save->crtc_enabled[i]) {
+			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]);
+			if ((tmp & 0x7) != 3) {
+				tmp &= ~0x7;
+				tmp |= 0x3;
+				WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
+			}
+			tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
+			if (tmp & AVIVO_D1GRPH_UPDATE_LOCK) {
+				tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
+				WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
+			}
+			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
+			if (tmp & 1) {
+				tmp &= ~1;
+				WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
+			}
+			for (j = 0; j < rdev->usec_timeout; j++) {
+				tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
+				if ((tmp & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) == 0)
+					break;
+				udelay(1);
+			}
+		}
+	}
+
+	if (rdev->family >= CHIP_R600) {
+		/* unblackout the MC */
+		if (rdev->family >= CHIP_RV770)
+			tmp = RREG32(R700_MC_CITF_CNTL);
+		else
+			tmp = RREG32(R600_CITF_CNTL);
+		tmp &= ~R600_BLACKOUT_MASK;
+		if (rdev->family >= CHIP_RV770)
+			WREG32(R700_MC_CITF_CNTL, tmp);
+		else
+			WREG32(R600_CITF_CNTL, tmp);
+		/* allow CPU access */
+		WREG32(R600_BIF_FB_EN, R600_FB_READ_EN | R600_FB_WRITE_EN);
+	}
+
+	for (i = 0; i < rdev->num_crtc; i++) {
+		if (save->crtc_enabled[i]) {
+			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
+			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
+			WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
+			/* wait for the next frame */
+			frame_count = radeon_get_vblank_counter(rdev, i);
+			for (j = 0; j < rdev->usec_timeout; j++) {
+				if (radeon_get_vblank_counter(rdev, i) != frame_count)
+					break;
+				udelay(1);
+			}
+		}
+	}
+	/* Unlock vga access */
+	WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
+	mdelay(1);
+	WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
+}
+
+static void rv515_mc_program(struct radeon_device *rdev)
+{
+	struct rv515_mc_save save;
+
+	/* Stops all mc clients */
+	rv515_mc_stop(rdev, &save);
+
+	/* Wait for mc idle */
+	if (rv515_mc_wait_for_idle(rdev))
+		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
+	/* Write VRAM size in case we are limiting it */
+	WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
+	/* Program MC, should be a 32bits limited address space */
+	WREG32_MC(R_000001_MC_FB_LOCATION,
+			S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
+			S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
+	WREG32(R_000134_HDP_FB_LOCATION,
+		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
+	if (rdev->flags & RADEON_IS_AGP) {
+		WREG32_MC(R_000002_MC_AGP_LOCATION,
+			S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
+			S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
+		WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
+		WREG32_MC(R_000004_MC_AGP_BASE_2,
+			S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
+	} else {
+		WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
+		WREG32_MC(R_000003_MC_AGP_BASE, 0);
+		WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
+	}
+
+	rv515_mc_resume(rdev, &save);
+}
+
+void rv515_clock_startup(struct radeon_device *rdev)
+{
+	if (radeon_dynclks != -1 && radeon_dynclks)
+		radeon_atom_set_clock_gating(rdev, 1);
+	/* We need to force on some of the block */
+	WREG32_PLL(R_00000F_CP_DYN_CNTL,
+		RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
+	WREG32_PLL(R_000011_E2_DYN_CNTL,
+		RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
+	WREG32_PLL(R_000013_IDCT_DYN_CNTL,
+		RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
+}
+
+static int rv515_startup(struct radeon_device *rdev)
+{
+	int r;
+
+	rv515_mc_program(rdev);
+	/* Resume clock */
+	rv515_clock_startup(rdev);
+	/* Initialize GPU configuration (# pipes, ...) */
+	rv515_gpu_init(rdev);
+	/* Initialize GART (initialize after TTM so we can allocate
+	 * memory through TTM but finalize after TTM) */
+	if (rdev->flags & RADEON_IS_PCIE) {
+		r = rv370_pcie_gart_enable(rdev);
+		if (r)
+			return r;
+	}
+
+	/* allocate wb buffer */
+	r = radeon_wb_init(rdev);
+	if (r)
+		return r;
+
+	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
+	if (r) {
+		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
+		return r;
+	}
+
+	/* Enable IRQ */
+	if (!rdev->irq.installed) {
+		r = radeon_irq_kms_init(rdev);
+		if (r)
+			return r;
+	}
+
+	rs600_irq_set(rdev);
+	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
+	/* 1M ring buffer */
+	r = r100_cp_init(rdev, 1024 * 1024);
+	if (r) {
+		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
+		return r;
+	}
+
+	r = radeon_ib_pool_init(rdev);
+	if (r) {
+		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
+		return r;
+	}
+
+	return 0;
+}
+
+int rv515_resume(struct radeon_device *rdev)
+{
+	int r;
+
+	/* Make sur GART are not working */
+	if (rdev->flags & RADEON_IS_PCIE)
+		rv370_pcie_gart_disable(rdev);
+	/* Resume clock before doing reset */
+	rv515_clock_startup(rdev);
+	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
+	if (radeon_asic_reset(rdev)) {
+		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
+			RREG32(R_000E40_RBBM_STATUS),
+			RREG32(R_0007C0_CP_STAT));
+	}
+	/* post */
+	atom_asic_init(rdev->mode_info.atom_context);
+	/* Resume clock after posting */
+	rv515_clock_startup(rdev);
+	/* Initialize surface registers */
+	radeon_surface_init(rdev);
+
+	rdev->accel_working = true;
+	r =  rv515_startup(rdev);
+	if (r) {
+		rdev->accel_working = false;
+	}
+	return r;
+}
+
+int rv515_suspend(struct radeon_device *rdev)
+{
+	radeon_pm_suspend(rdev);
+	r100_cp_disable(rdev);
+	radeon_wb_disable(rdev);
+	rs600_irq_disable(rdev);
+	if (rdev->flags & RADEON_IS_PCIE)
+		rv370_pcie_gart_disable(rdev);
+	return 0;
+}
+
+void rv515_set_safe_registers(struct radeon_device *rdev)
+{
+	rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
+	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
+}
+
+void rv515_fini(struct radeon_device *rdev)
+{
+	radeon_pm_fini(rdev);
+	r100_cp_fini(rdev);
+	radeon_wb_fini(rdev);
+	radeon_ib_pool_fini(rdev);
+	radeon_gem_fini(rdev);
+	rv370_pcie_gart_fini(rdev);
+	radeon_agp_fini(rdev);
+	radeon_irq_kms_fini(rdev);
+	radeon_fence_driver_fini(rdev);
+	radeon_bo_fini(rdev);
+	radeon_atombios_fini(rdev);
+	kfree(rdev->bios);
+	rdev->bios = NULL;
+}
+
+int rv515_init(struct radeon_device *rdev)
+{
+	int r;
+
+	/* Initialize scratch registers */
+	radeon_scratch_init(rdev);
+	/* Initialize surface registers */
+	radeon_surface_init(rdev);
+	/* TODO: disable VGA need to use VGA request */
+	/* restore some register to sane defaults */
+	r100_restore_sanity(rdev);
+	/* BIOS*/
+	if (!radeon_get_bios(rdev)) {
+		if (ASIC_IS_AVIVO(rdev))
+			return -EINVAL;
+	}
+	if (rdev->is_atom_bios) {
+		r = radeon_atombios_init(rdev);
+		if (r)
+			return r;
+	} else {
+		dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
+		return -EINVAL;
+	}
+	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
+	if (radeon_asic_reset(rdev)) {
+		dev_warn(rdev->dev,
+			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
+			RREG32(R_000E40_RBBM_STATUS),
+			RREG32(R_0007C0_CP_STAT));
+	}
+	/* check if cards are posted or not */
+	if (radeon_boot_test_post_card(rdev) == false)
+		return -EINVAL;
+	/* Initialize clocks */
+	radeon_get_clock_info(rdev->ddev);
+	/* initialize AGP */
+	if (rdev->flags & RADEON_IS_AGP) {
+		r = radeon_agp_init(rdev);
+		if (r) {
+			radeon_agp_disable(rdev);
+		}
+	}
+	/* initialize memory controller */
+	rv515_mc_init(rdev);
+	rv515_debugfs(rdev);
+	/* Fence driver */
+	radeon_fence_driver_init(rdev);
+	/* Memory manager */
+	r = radeon_bo_init(rdev);
+	if (r)
+		return r;
+	r = rv370_pcie_gart_init(rdev);
+	if (r)
+		return r;
+	rv515_set_safe_registers(rdev);
+
+	/* Initialize power management */
+	radeon_pm_init(rdev);
+
+	rdev->accel_working = true;
+	r = rv515_startup(rdev);
+	if (r) {
+		/* Somethings want wront with the accel init stop accel */
+		dev_err(rdev->dev, "Disabling GPU acceleration\n");
+		r100_cp_fini(rdev);
+		radeon_wb_fini(rdev);
+		radeon_ib_pool_fini(rdev);
+		radeon_irq_kms_fini(rdev);
+		rv370_pcie_gart_fini(rdev);
+		radeon_agp_fini(rdev);
+		rdev->accel_working = false;
+	}
+	return 0;
+}
+
+void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
+{
+	int index_reg = 0x6578 + crtc->crtc_offset;
+	int data_reg = 0x657c + crtc->crtc_offset;
+
+	WREG32(0x659C + crtc->crtc_offset, 0x0);
+	WREG32(0x6594 + crtc->crtc_offset, 0x705);
+	WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
+	WREG32(0x65D8 + crtc->crtc_offset, 0x0);
+	WREG32(0x65B0 + crtc->crtc_offset, 0x0);
+	WREG32(0x65C0 + crtc->crtc_offset, 0x0);
+	WREG32(0x65D4 + crtc->crtc_offset, 0x0);
+	WREG32(index_reg, 0x0);
+	WREG32(data_reg, 0x841880A8);
+	WREG32(index_reg, 0x1);
+	WREG32(data_reg, 0x84208680);
+	WREG32(index_reg, 0x2);
+	WREG32(data_reg, 0xBFF880B0);
+	WREG32(index_reg, 0x100);
+	WREG32(data_reg, 0x83D88088);
+	WREG32(index_reg, 0x101);
+	WREG32(data_reg, 0x84608680);
+	WREG32(index_reg, 0x102);
+	WREG32(data_reg, 0xBFF080D0);
+	WREG32(index_reg, 0x200);
+	WREG32(data_reg, 0x83988068);
+	WREG32(index_reg, 0x201);
+	WREG32(data_reg, 0x84A08680);
+	WREG32(index_reg, 0x202);
+	WREG32(data_reg, 0xBFF080F8);
+	WREG32(index_reg, 0x300);
+	WREG32(data_reg, 0x83588058);
+	WREG32(index_reg, 0x301);
+	WREG32(data_reg, 0x84E08660);
+	WREG32(index_reg, 0x302);
+	WREG32(data_reg, 0xBFF88120);
+	WREG32(index_reg, 0x400);
+	WREG32(data_reg, 0x83188040);
+	WREG32(index_reg, 0x401);
+	WREG32(data_reg, 0x85008660);
+	WREG32(index_reg, 0x402);
+	WREG32(data_reg, 0xBFF88150);
+	WREG32(index_reg, 0x500);
+	WREG32(data_reg, 0x82D88030);
+	WREG32(index_reg, 0x501);
+	WREG32(data_reg, 0x85408640);
+	WREG32(index_reg, 0x502);
+	WREG32(data_reg, 0xBFF88180);
+	WREG32(index_reg, 0x600);
+	WREG32(data_reg, 0x82A08018);
+	WREG32(index_reg, 0x601);
+	WREG32(data_reg, 0x85808620);
+	WREG32(index_reg, 0x602);
+	WREG32(data_reg, 0xBFF081B8);
+	WREG32(index_reg, 0x700);
+	WREG32(data_reg, 0x82608010);
+	WREG32(index_reg, 0x701);
+	WREG32(data_reg, 0x85A08600);
+	WREG32(index_reg, 0x702);
+	WREG32(data_reg, 0x800081F0);
+	WREG32(index_reg, 0x800);
+	WREG32(data_reg, 0x8228BFF8);
+	WREG32(index_reg, 0x801);
+	WREG32(data_reg, 0x85E085E0);
+	WREG32(index_reg, 0x802);
+	WREG32(data_reg, 0xBFF88228);
+	WREG32(index_reg, 0x10000);
+	WREG32(data_reg, 0x82A8BF00);
+	WREG32(index_reg, 0x10001);
+	WREG32(data_reg, 0x82A08CC0);
+	WREG32(index_reg, 0x10002);
+	WREG32(data_reg, 0x8008BEF8);
+	WREG32(index_reg, 0x10100);
+	WREG32(data_reg, 0x81F0BF28);
+	WREG32(index_reg, 0x10101);
+	WREG32(data_reg, 0x83608CA0);
+	WREG32(index_reg, 0x10102);
+	WREG32(data_reg, 0x8018BED0);
+	WREG32(index_reg, 0x10200);
+	WREG32(data_reg, 0x8148BF38);
+	WREG32(index_reg, 0x10201);
+	WREG32(data_reg, 0x84408C80);
+	WREG32(index_reg, 0x10202);
+	WREG32(data_reg, 0x8008BEB8);
+	WREG32(index_reg, 0x10300);
+	WREG32(data_reg, 0x80B0BF78);
+	WREG32(index_reg, 0x10301);
+	WREG32(data_reg, 0x85008C20);
+	WREG32(index_reg, 0x10302);
+	WREG32(data_reg, 0x8020BEA0);
+	WREG32(index_reg, 0x10400);
+	WREG32(data_reg, 0x8028BF90);
+	WREG32(index_reg, 0x10401);
+	WREG32(data_reg, 0x85E08BC0);
+	WREG32(index_reg, 0x10402);
+	WREG32(data_reg, 0x8018BE90);
+	WREG32(index_reg, 0x10500);
+	WREG32(data_reg, 0xBFB8BFB0);
+	WREG32(index_reg, 0x10501);
+	WREG32(data_reg, 0x86C08B40);
+	WREG32(index_reg, 0x10502);
+	WREG32(data_reg, 0x8010BE90);
+	WREG32(index_reg, 0x10600);
+	WREG32(data_reg, 0xBF58BFC8);
+	WREG32(index_reg, 0x10601);
+	WREG32(data_reg, 0x87A08AA0);
+	WREG32(index_reg, 0x10602);
+	WREG32(data_reg, 0x8010BE98);
+	WREG32(index_reg, 0x10700);
+	WREG32(data_reg, 0xBF10BFF0);
+	WREG32(index_reg, 0x10701);
+	WREG32(data_reg, 0x886089E0);
+	WREG32(index_reg, 0x10702);
+	WREG32(data_reg, 0x8018BEB0);
+	WREG32(index_reg, 0x10800);
+	WREG32(data_reg, 0xBED8BFE8);
+	WREG32(index_reg, 0x10801);
+	WREG32(data_reg, 0x89408940);
+	WREG32(index_reg, 0x10802);
+	WREG32(data_reg, 0xBFE8BED8);
+	WREG32(index_reg, 0x20000);
+	WREG32(data_reg, 0x80008000);
+	WREG32(index_reg, 0x20001);
+	WREG32(data_reg, 0x90008000);
+	WREG32(index_reg, 0x20002);
+	WREG32(data_reg, 0x80008000);
+	WREG32(index_reg, 0x20003);
+	WREG32(data_reg, 0x80008000);
+	WREG32(index_reg, 0x20100);
+	WREG32(data_reg, 0x80108000);
+	WREG32(index_reg, 0x20101);
+	WREG32(data_reg, 0x8FE0BF70);
+	WREG32(index_reg, 0x20102);
+	WREG32(data_reg, 0xBFE880C0);
+	WREG32(index_reg, 0x20103);
+	WREG32(data_reg, 0x80008000);
+	WREG32(index_reg, 0x20200);
+	WREG32(data_reg, 0x8018BFF8);
+	WREG32(index_reg, 0x20201);
+	WREG32(data_reg, 0x8F80BF08);
+	WREG32(index_reg, 0x20202);
+	WREG32(data_reg, 0xBFD081A0);
+	WREG32(index_reg, 0x20203);
+	WREG32(data_reg, 0xBFF88000);
+	WREG32(index_reg, 0x20300);
+	WREG32(data_reg, 0x80188000);
+	WREG32(index_reg, 0x20301);
+	WREG32(data_reg, 0x8EE0BEC0);
+	WREG32(index_reg, 0x20302);
+	WREG32(data_reg, 0xBFB082A0);
+	WREG32(index_reg, 0x20303);
+	WREG32(data_reg, 0x80008000);
+	WREG32(index_reg, 0x20400);
+	WREG32(data_reg, 0x80188000);
+	WREG32(index_reg, 0x20401);
+	WREG32(data_reg, 0x8E00BEA0);
+	WREG32(index_reg, 0x20402);
+	WREG32(data_reg, 0xBF8883C0);
+	WREG32(index_reg, 0x20403);
+	WREG32(data_reg, 0x80008000);
+	WREG32(index_reg, 0x20500);
+	WREG32(data_reg, 0x80188000);
+	WREG32(index_reg, 0x20501);
+	WREG32(data_reg, 0x8D00BE90);
+	WREG32(index_reg, 0x20502);
+	WREG32(data_reg, 0xBF588500);
+	WREG32(index_reg, 0x20503);
+	WREG32(data_reg, 0x80008008);
+	WREG32(index_reg, 0x20600);
+	WREG32(data_reg, 0x80188000);
+	WREG32(index_reg, 0x20601);
+	WREG32(data_reg, 0x8BC0BE98);
+	WREG32(index_reg, 0x20602);
+	WREG32(data_reg, 0xBF308660);
+	WREG32(index_reg, 0x20603);
+	WREG32(data_reg, 0x80008008);
+	WREG32(index_reg, 0x20700);
+	WREG32(data_reg, 0x80108000);
+	WREG32(index_reg, 0x20701);
+	WREG32(data_reg, 0x8A80BEB0);
+	WREG32(index_reg, 0x20702);
+	WREG32(data_reg, 0xBF0087C0);
+	WREG32(index_reg, 0x20703);
+	WREG32(data_reg, 0x80008008);
+	WREG32(index_reg, 0x20800);
+	WREG32(data_reg, 0x80108000);
+	WREG32(index_reg, 0x20801);
+	WREG32(data_reg, 0x8920BED0);
+	WREG32(index_reg, 0x20802);
+	WREG32(data_reg, 0xBED08920);
+	WREG32(index_reg, 0x20803);
+	WREG32(data_reg, 0x80008010);
+	WREG32(index_reg, 0x30000);
+	WREG32(data_reg, 0x90008000);
+	WREG32(index_reg, 0x30001);
+	WREG32(data_reg, 0x80008000);
+	WREG32(index_reg, 0x30100);
+	WREG32(data_reg, 0x8FE0BF90);
+	WREG32(index_reg, 0x30101);
+	WREG32(data_reg, 0xBFF880A0);
+	WREG32(index_reg, 0x30200);
+	WREG32(data_reg, 0x8F60BF40);
+	WREG32(index_reg, 0x30201);
+	WREG32(data_reg, 0xBFE88180);
+	WREG32(index_reg, 0x30300);
+	WREG32(data_reg, 0x8EC0BF00);
+	WREG32(index_reg, 0x30301);
+	WREG32(data_reg, 0xBFC88280);
+	WREG32(index_reg, 0x30400);
+	WREG32(data_reg, 0x8DE0BEE0);
+	WREG32(index_reg, 0x30401);
+	WREG32(data_reg, 0xBFA083A0);
+	WREG32(index_reg, 0x30500);
+	WREG32(data_reg, 0x8CE0BED0);
+	WREG32(index_reg, 0x30501);
+	WREG32(data_reg, 0xBF7884E0);
+	WREG32(index_reg, 0x30600);
+	WREG32(data_reg, 0x8BA0BED8);
+	WREG32(index_reg, 0x30601);
+	WREG32(data_reg, 0xBF508640);
+	WREG32(index_reg, 0x30700);
+	WREG32(data_reg, 0x8A60BEE8);
+	WREG32(index_reg, 0x30701);
+	WREG32(data_reg, 0xBF2087A0);
+	WREG32(index_reg, 0x30800);
+	WREG32(data_reg, 0x8900BF00);
+	WREG32(index_reg, 0x30801);
+	WREG32(data_reg, 0xBF008900);
+}
+
+struct rv515_watermark {
+	u32        lb_request_fifo_depth;
+	fixed20_12 num_line_pair;
+	fixed20_12 estimated_width;
+	fixed20_12 worst_case_latency;
+	fixed20_12 consumption_rate;
+	fixed20_12 active_time;
+	fixed20_12 dbpp;
+	fixed20_12 priority_mark_max;
+	fixed20_12 priority_mark;
+	fixed20_12 sclk;
+};
+
+static void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
+					 struct radeon_crtc *crtc,
+					 struct rv515_watermark *wm,
+					 bool low)
+{
+	struct drm_display_mode *mode = &crtc->base.mode;
+	fixed20_12 a, b, c;
+	fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
+	fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
+	fixed20_12 sclk;
+	u32 selected_sclk;
+
+	if (!crtc->base.enabled) {
+		/* FIXME: wouldn't it better to set priority mark to maximum */
+		wm->lb_request_fifo_depth = 4;
+		return;
+	}
+
+	/* rv6xx, rv7xx */
+	if ((rdev->family >= CHIP_RV610) &&
+	    (rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
+		selected_sclk = radeon_dpm_get_sclk(rdev, low);
+	else
+		selected_sclk = rdev->pm.current_sclk;
+
+	/* sclk in Mhz */
+	a.full = dfixed_const(100);
+	sclk.full = dfixed_const(selected_sclk);
+	sclk.full = dfixed_div(sclk, a);
+
+	if (crtc->vsc.full > dfixed_const(2))
+		wm->num_line_pair.full = dfixed_const(2);
+	else
+		wm->num_line_pair.full = dfixed_const(1);
+
+	b.full = dfixed_const(mode->crtc_hdisplay);
+	c.full = dfixed_const(256);
+	a.full = dfixed_div(b, c);
+	request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
+	request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
+	if (a.full < dfixed_const(4)) {
+		wm->lb_request_fifo_depth = 4;
+	} else {
+		wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
+	}
+
+	/* Determine consumption rate
+	 *  pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
+	 *  vtaps = number of vertical taps,
+	 *  vsc = vertical scaling ratio, defined as source/destination
+	 *  hsc = horizontal scaling ration, defined as source/destination
+	 */
+	a.full = dfixed_const(mode->clock);
+	b.full = dfixed_const(1000);
+	a.full = dfixed_div(a, b);
+	pclk.full = dfixed_div(b, a);
+	if (crtc->rmx_type != RMX_OFF) {
+		b.full = dfixed_const(2);
+		if (crtc->vsc.full > b.full)
+			b.full = crtc->vsc.full;
+		b.full = dfixed_mul(b, crtc->hsc);
+		c.full = dfixed_const(2);
+		b.full = dfixed_div(b, c);
+		consumption_time.full = dfixed_div(pclk, b);
+	} else {
+		consumption_time.full = pclk.full;
+	}
+	a.full = dfixed_const(1);
+	wm->consumption_rate.full = dfixed_div(a, consumption_time);
+
+
+	/* Determine line time
+	 *  LineTime = total time for one line of displayhtotal
+	 *  LineTime = total number of horizontal pixels
+	 *  pclk = pixel clock period(ns)
+	 */
+	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
+	line_time.full = dfixed_mul(a, pclk);
+
+	/* Determine active time
+	 *  ActiveTime = time of active region of display within one line,
+	 *  hactive = total number of horizontal active pixels
+	 *  htotal = total number of horizontal pixels
+	 */
+	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
+	b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
+	wm->active_time.full = dfixed_mul(line_time, b);
+	wm->active_time.full = dfixed_div(wm->active_time, a);
+
+	/* Determine chunk time
+	 * ChunkTime = the time it takes the DCP to send one chunk of data
+	 * to the LB which consists of pipeline delay and inter chunk gap
+	 * sclk = system clock(Mhz)
+	 */
+	a.full = dfixed_const(600 * 1000);
+	chunk_time.full = dfixed_div(a, sclk);
+	read_delay_latency.full = dfixed_const(1000);
+
+	/* Determine the worst case latency
+	 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
+	 * WorstCaseLatency = worst case time from urgent to when the MC starts
+	 *                    to return data
+	 * READ_DELAY_IDLE_MAX = constant of 1us
+	 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
+	 *             which consists of pipeline delay and inter chunk gap
+	 */
+	if (dfixed_trunc(wm->num_line_pair) > 1) {
+		a.full = dfixed_const(3);
+		wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
+		wm->worst_case_latency.full += read_delay_latency.full;
+	} else {
+		wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
+	}
+
+	/* Determine the tolerable latency
+	 * TolerableLatency = Any given request has only 1 line time
+	 *                    for the data to be returned
+	 * LBRequestFifoDepth = Number of chunk requests the LB can
+	 *                      put into the request FIFO for a display
+	 *  LineTime = total time for one line of display
+	 *  ChunkTime = the time it takes the DCP to send one chunk
+	 *              of data to the LB which consists of
+	 *  pipeline delay and inter chunk gap
+	 */
+	if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
+		tolerable_latency.full = line_time.full;
+	} else {
+		tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
+		tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
+		tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
+		tolerable_latency.full = line_time.full - tolerable_latency.full;
+	}
+	/* We assume worst case 32bits (4 bytes) */
+	wm->dbpp.full = dfixed_const(2 * 16);
+
+	/* Determine the maximum priority mark
+	 *  width = viewport width in pixels
+	 */
+	a.full = dfixed_const(16);
+	wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
+	wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
+	wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
+
+	/* Determine estimated width */
+	estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
+	estimated_width.full = dfixed_div(estimated_width, consumption_time);
+	if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
+		wm->priority_mark.full = wm->priority_mark_max.full;
+	} else {
+		a.full = dfixed_const(16);
+		wm->priority_mark.full = dfixed_div(estimated_width, a);
+		wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
+		wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
+	}
+}
+
+static void rv515_compute_mode_priority(struct radeon_device *rdev,
+					struct rv515_watermark *wm0,
+					struct rv515_watermark *wm1,
+					struct drm_display_mode *mode0,
+					struct drm_display_mode *mode1,
+					u32 *d1mode_priority_a_cnt,
+					u32 *d2mode_priority_a_cnt)
+{
+	fixed20_12 priority_mark02, priority_mark12, fill_rate;
+	fixed20_12 a, b;
+
+	*d1mode_priority_a_cnt = MODE_PRIORITY_OFF;
+	*d2mode_priority_a_cnt = MODE_PRIORITY_OFF;
+
+	if (mode0 && mode1) {
+		if (dfixed_trunc(wm0->dbpp) > 64)
+			a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair);
+		else
+			a.full = wm0->num_line_pair.full;
+		if (dfixed_trunc(wm1->dbpp) > 64)
+			b.full = dfixed_div(wm1->dbpp, wm1->num_line_pair);
+		else
+			b.full = wm1->num_line_pair.full;
+		a.full += b.full;
+		fill_rate.full = dfixed_div(wm0->sclk, a);
+		if (wm0->consumption_rate.full > fill_rate.full) {
+			b.full = wm0->consumption_rate.full - fill_rate.full;
+			b.full = dfixed_mul(b, wm0->active_time);
+			a.full = dfixed_const(16);
+			b.full = dfixed_div(b, a);
+			a.full = dfixed_mul(wm0->worst_case_latency,
+						wm0->consumption_rate);
+			priority_mark02.full = a.full + b.full;
+		} else {
+			a.full = dfixed_mul(wm0->worst_case_latency,
+						wm0->consumption_rate);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark02.full = dfixed_div(a, b);
+		}
+		if (wm1->consumption_rate.full > fill_rate.full) {
+			b.full = wm1->consumption_rate.full - fill_rate.full;
+			b.full = dfixed_mul(b, wm1->active_time);
+			a.full = dfixed_const(16);
+			b.full = dfixed_div(b, a);
+			a.full = dfixed_mul(wm1->worst_case_latency,
+						wm1->consumption_rate);
+			priority_mark12.full = a.full + b.full;
+		} else {
+			a.full = dfixed_mul(wm1->worst_case_latency,
+						wm1->consumption_rate);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark12.full = dfixed_div(a, b);
+		}
+		if (wm0->priority_mark.full > priority_mark02.full)
+			priority_mark02.full = wm0->priority_mark.full;
+		if (wm0->priority_mark_max.full > priority_mark02.full)
+			priority_mark02.full = wm0->priority_mark_max.full;
+		if (wm1->priority_mark.full > priority_mark12.full)
+			priority_mark12.full = wm1->priority_mark.full;
+		if (wm1->priority_mark_max.full > priority_mark12.full)
+			priority_mark12.full = wm1->priority_mark_max.full;
+		*d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
+		*d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
+		if (rdev->disp_priority == 2) {
+			*d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
+			*d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
+		}
+	} else if (mode0) {
+		if (dfixed_trunc(wm0->dbpp) > 64)
+			a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair);
+		else
+			a.full = wm0->num_line_pair.full;
+		fill_rate.full = dfixed_div(wm0->sclk, a);
+		if (wm0->consumption_rate.full > fill_rate.full) {
+			b.full = wm0->consumption_rate.full - fill_rate.full;
+			b.full = dfixed_mul(b, wm0->active_time);
+			a.full = dfixed_const(16);
+			b.full = dfixed_div(b, a);
+			a.full = dfixed_mul(wm0->worst_case_latency,
+						wm0->consumption_rate);
+			priority_mark02.full = a.full + b.full;
+		} else {
+			a.full = dfixed_mul(wm0->worst_case_latency,
+						wm0->consumption_rate);
+			b.full = dfixed_const(16);
+			priority_mark02.full = dfixed_div(a, b);
+		}
+		if (wm0->priority_mark.full > priority_mark02.full)
+			priority_mark02.full = wm0->priority_mark.full;
+		if (wm0->priority_mark_max.full > priority_mark02.full)
+			priority_mark02.full = wm0->priority_mark_max.full;
+		*d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
+		if (rdev->disp_priority == 2)
+			*d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
+	} else if (mode1) {
+		if (dfixed_trunc(wm1->dbpp) > 64)
+			a.full = dfixed_div(wm1->dbpp, wm1->num_line_pair);
+		else
+			a.full = wm1->num_line_pair.full;
+		fill_rate.full = dfixed_div(wm1->sclk, a);
+		if (wm1->consumption_rate.full > fill_rate.full) {
+			b.full = wm1->consumption_rate.full - fill_rate.full;
+			b.full = dfixed_mul(b, wm1->active_time);
+			a.full = dfixed_const(16);
+			b.full = dfixed_div(b, a);
+			a.full = dfixed_mul(wm1->worst_case_latency,
+						wm1->consumption_rate);
+			priority_mark12.full = a.full + b.full;
+		} else {
+			a.full = dfixed_mul(wm1->worst_case_latency,
+						wm1->consumption_rate);
+			b.full = dfixed_const(16 * 1000);
+			priority_mark12.full = dfixed_div(a, b);
+		}
+		if (wm1->priority_mark.full > priority_mark12.full)
+			priority_mark12.full = wm1->priority_mark.full;
+		if (wm1->priority_mark_max.full > priority_mark12.full)
+			priority_mark12.full = wm1->priority_mark_max.full;
+		*d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
+		if (rdev->disp_priority == 2)
+			*d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
+	}
+}
+
+void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
+{
+	struct drm_display_mode *mode0 = NULL;
+	struct drm_display_mode *mode1 = NULL;
+	struct rv515_watermark wm0_high, wm0_low;
+	struct rv515_watermark wm1_high, wm1_low;
+	u32 tmp;
+	u32 d1mode_priority_a_cnt, d1mode_priority_b_cnt;
+	u32 d2mode_priority_a_cnt, d2mode_priority_b_cnt;
+
+	if (rdev->mode_info.crtcs[0]->base.enabled)
+		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
+	if (rdev->mode_info.crtcs[1]->base.enabled)
+		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
+	rs690_line_buffer_adjust(rdev, mode0, mode1);
+
+	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_high, false);
+	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_high, false);
+
+	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_low, false);
+	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_low, false);
+
+	tmp = wm0_high.lb_request_fifo_depth;
+	tmp |= wm1_high.lb_request_fifo_depth << 16;
+	WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
+
+	rv515_compute_mode_priority(rdev,
+				    &wm0_high, &wm1_high,
+				    mode0, mode1,
+				    &d1mode_priority_a_cnt, &d2mode_priority_a_cnt);
+	rv515_compute_mode_priority(rdev,
+				    &wm0_low, &wm1_low,
+				    mode0, mode1,
+				    &d1mode_priority_b_cnt, &d2mode_priority_b_cnt);
+
+	WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
+	WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_b_cnt);
+	WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
+	WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_b_cnt);
+}
+
+void rv515_bandwidth_update(struct radeon_device *rdev)
+{
+	uint32_t tmp;
+	struct drm_display_mode *mode0 = NULL;
+	struct drm_display_mode *mode1 = NULL;
+
+	if (!rdev->mode_info.mode_config_initialized)
+		return;
+
+	radeon_update_display_priority(rdev);
+
+	if (rdev->mode_info.crtcs[0]->base.enabled)
+		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
+	if (rdev->mode_info.crtcs[1]->base.enabled)
+		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
+	/*
+	 * Set display0/1 priority up in the memory controller for
+	 * modes if the user specifies HIGH for displaypriority
+	 * option.
+	 */
+	if ((rdev->disp_priority == 2) &&
+	    (rdev->family == CHIP_RV515)) {
+		tmp = RREG32_MC(MC_MISC_LAT_TIMER);
+		tmp &= ~MC_DISP1R_INIT_LAT_MASK;
+		tmp &= ~MC_DISP0R_INIT_LAT_MASK;
+		if (mode1)
+			tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
+		if (mode0)
+			tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
+		WREG32_MC(MC_MISC_LAT_TIMER, tmp);
+	}
+	rv515_bandwidth_avivo_update(rdev);
+}