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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_display.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 1731 |
1 files changed, 1731 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c new file mode 100644 index 0000000000..578aeba49e --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -0,0 +1,1731 @@ +/* + * Copyright 2007-8 Advanced Micro Devices, Inc. + * Copyright 2008 Red Hat 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. + * + * Authors: Dave Airlie + * Alex Deucher + */ + +#include <drm/amdgpu_drm.h> +#include "amdgpu.h" +#include "amdgpu_i2c.h" +#include "atom.h" +#include "amdgpu_connectors.h" +#include "amdgpu_display.h" +#include "soc15_common.h" +#include "gc/gc_11_0_0_offset.h" +#include "gc/gc_11_0_0_sh_mask.h" +#include <asm/div64.h> + +#include <linux/pci.h> +#include <linux/pm_runtime.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_damage_helper.h> +#include <drm/drm_drv.h> +#include <drm/drm_edid.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_fourcc.h> +#include <drm/drm_modeset_helper.h> +#include <drm/drm_vblank.h> + +/** + * amdgpu_display_hotplug_work_func - work handler for display hotplug event + * + * @work: work struct pointer + * + * This is the hotplug event work handler (all ASICs). + * The work gets scheduled from the IRQ handler if there + * was a hotplug interrupt. It walks through the connector table + * and calls hotplug handler for each connector. After this, it sends + * a DRM hotplug event to alert userspace. + * + * This design approach is required in order to defer hotplug event handling + * from the IRQ handler to a work handler because hotplug handler has to use + * mutexes which cannot be locked in an IRQ handler (since &mutex_lock may + * sleep). + */ +void amdgpu_display_hotplug_work_func(struct work_struct *work) +{ + struct amdgpu_device *adev = container_of(work, struct amdgpu_device, + hotplug_work.work); + struct drm_device *dev = adev_to_drm(adev); + struct drm_mode_config *mode_config = &dev->mode_config; + struct drm_connector *connector; + struct drm_connector_list_iter iter; + + mutex_lock(&mode_config->mutex); + drm_connector_list_iter_begin(dev, &iter); + drm_for_each_connector_iter(connector, &iter) + amdgpu_connector_hotplug(connector); + drm_connector_list_iter_end(&iter); + mutex_unlock(&mode_config->mutex); + /* Just fire off a uevent and let userspace tell us what to do */ + drm_helper_hpd_irq_event(dev); +} + +static int amdgpu_display_framebuffer_init(struct drm_device *dev, + struct amdgpu_framebuffer *rfb, + const struct drm_mode_fb_cmd2 *mode_cmd, + struct drm_gem_object *obj); + +static void amdgpu_display_flip_callback(struct dma_fence *f, + struct dma_fence_cb *cb) +{ + struct amdgpu_flip_work *work = + container_of(cb, struct amdgpu_flip_work, cb); + + dma_fence_put(f); + schedule_work(&work->flip_work.work); +} + +static bool amdgpu_display_flip_handle_fence(struct amdgpu_flip_work *work, + struct dma_fence **f) +{ + struct dma_fence *fence = *f; + + if (fence == NULL) + return false; + + *f = NULL; + + if (!dma_fence_add_callback(fence, &work->cb, + amdgpu_display_flip_callback)) + return true; + + dma_fence_put(fence); + return false; +} + +static void amdgpu_display_flip_work_func(struct work_struct *__work) +{ + struct delayed_work *delayed_work = + container_of(__work, struct delayed_work, work); + struct amdgpu_flip_work *work = + container_of(delayed_work, struct amdgpu_flip_work, flip_work); + struct amdgpu_device *adev = work->adev; + struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[work->crtc_id]; + + struct drm_crtc *crtc = &amdgpu_crtc->base; + unsigned long flags; + unsigned int i; + int vpos, hpos; + + for (i = 0; i < work->shared_count; ++i) + if (amdgpu_display_flip_handle_fence(work, &work->shared[i])) + return; + + /* Wait until we're out of the vertical blank period before the one + * targeted by the flip + */ + if (amdgpu_crtc->enabled && + (amdgpu_display_get_crtc_scanoutpos(adev_to_drm(adev), work->crtc_id, 0, + &vpos, &hpos, NULL, NULL, + &crtc->hwmode) + & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) == + (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) && + (int)(work->target_vblank - + amdgpu_get_vblank_counter_kms(crtc)) > 0) { + schedule_delayed_work(&work->flip_work, usecs_to_jiffies(1000)); + return; + } + + /* We borrow the event spin lock for protecting flip_status */ + spin_lock_irqsave(&crtc->dev->event_lock, flags); + + /* Do the flip (mmio) */ + adev->mode_info.funcs->page_flip(adev, work->crtc_id, work->base, work->async); + + /* Set the flip status */ + amdgpu_crtc->pflip_status = AMDGPU_FLIP_SUBMITTED; + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + + + drm_dbg_vbl(adev_to_drm(adev), + "crtc:%d[%p], pflip_stat:AMDGPU_FLIP_SUBMITTED, work: %p,\n", + amdgpu_crtc->crtc_id, amdgpu_crtc, work); + +} + +/* + * Handle unpin events outside the interrupt handler proper. + */ +static void amdgpu_display_unpin_work_func(struct work_struct *__work) +{ + struct amdgpu_flip_work *work = + container_of(__work, struct amdgpu_flip_work, unpin_work); + int r; + + /* unpin of the old buffer */ + r = amdgpu_bo_reserve(work->old_abo, true); + if (likely(r == 0)) { + amdgpu_bo_unpin(work->old_abo); + amdgpu_bo_unreserve(work->old_abo); + } else + DRM_ERROR("failed to reserve buffer after flip\n"); + + amdgpu_bo_unref(&work->old_abo); + kfree(work->shared); + kfree(work); +} + +int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags, uint32_t target, + struct drm_modeset_acquire_ctx *ctx) +{ + struct drm_device *dev = crtc->dev; + struct amdgpu_device *adev = drm_to_adev(dev); + struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + struct drm_gem_object *obj; + struct amdgpu_flip_work *work; + struct amdgpu_bo *new_abo; + unsigned long flags; + u64 tiling_flags; + int i, r; + + work = kzalloc(sizeof(*work), GFP_KERNEL); + if (work == NULL) + return -ENOMEM; + + INIT_DELAYED_WORK(&work->flip_work, amdgpu_display_flip_work_func); + INIT_WORK(&work->unpin_work, amdgpu_display_unpin_work_func); + + work->event = event; + work->adev = adev; + work->crtc_id = amdgpu_crtc->crtc_id; + work->async = (page_flip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0; + + /* schedule unpin of the old buffer */ + obj = crtc->primary->fb->obj[0]; + + /* take a reference to the old object */ + work->old_abo = gem_to_amdgpu_bo(obj); + amdgpu_bo_ref(work->old_abo); + + obj = fb->obj[0]; + new_abo = gem_to_amdgpu_bo(obj); + + /* pin the new buffer */ + r = amdgpu_bo_reserve(new_abo, false); + if (unlikely(r != 0)) { + DRM_ERROR("failed to reserve new abo buffer before flip\n"); + goto cleanup; + } + + if (!adev->enable_virtual_display) { + r = amdgpu_bo_pin(new_abo, + amdgpu_display_supported_domains(adev, new_abo->flags)); + if (unlikely(r != 0)) { + DRM_ERROR("failed to pin new abo buffer before flip\n"); + goto unreserve; + } + } + + r = amdgpu_ttm_alloc_gart(&new_abo->tbo); + if (unlikely(r != 0)) { + DRM_ERROR("%p bind failed\n", new_abo); + goto unpin; + } + + r = dma_resv_get_fences(new_abo->tbo.base.resv, DMA_RESV_USAGE_WRITE, + &work->shared_count, + &work->shared); + if (unlikely(r != 0)) { + DRM_ERROR("failed to get fences for buffer\n"); + goto unpin; + } + + amdgpu_bo_get_tiling_flags(new_abo, &tiling_flags); + amdgpu_bo_unreserve(new_abo); + + if (!adev->enable_virtual_display) + work->base = amdgpu_bo_gpu_offset(new_abo); + work->target_vblank = target - (uint32_t)drm_crtc_vblank_count(crtc) + + amdgpu_get_vblank_counter_kms(crtc); + + /* we borrow the event spin lock for protecting flip_wrok */ + spin_lock_irqsave(&crtc->dev->event_lock, flags); + if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_NONE) { + DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + r = -EBUSY; + goto pflip_cleanup; + } + + amdgpu_crtc->pflip_status = AMDGPU_FLIP_PENDING; + amdgpu_crtc->pflip_works = work; + + + DRM_DEBUG_DRIVER("crtc:%d[%p], pflip_stat:AMDGPU_FLIP_PENDING, work: %p,\n", + amdgpu_crtc->crtc_id, amdgpu_crtc, work); + /* update crtc fb */ + crtc->primary->fb = fb; + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + amdgpu_display_flip_work_func(&work->flip_work.work); + return 0; + +pflip_cleanup: + if (unlikely(amdgpu_bo_reserve(new_abo, false) != 0)) { + DRM_ERROR("failed to reserve new abo in error path\n"); + goto cleanup; + } +unpin: + if (!adev->enable_virtual_display) + amdgpu_bo_unpin(new_abo); + +unreserve: + amdgpu_bo_unreserve(new_abo); + +cleanup: + amdgpu_bo_unref(&work->old_abo); + for (i = 0; i < work->shared_count; ++i) + dma_fence_put(work->shared[i]); + kfree(work->shared); + kfree(work); + + return r; +} + +int amdgpu_display_crtc_set_config(struct drm_mode_set *set, + struct drm_modeset_acquire_ctx *ctx) +{ + struct drm_device *dev; + struct amdgpu_device *adev; + struct drm_crtc *crtc; + bool active = false; + int ret; + + if (!set || !set->crtc) + return -EINVAL; + + dev = set->crtc->dev; + + ret = pm_runtime_get_sync(dev->dev); + if (ret < 0) + goto out; + + ret = drm_crtc_helper_set_config(set, ctx); + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) + if (crtc->enabled) + active = true; + + pm_runtime_mark_last_busy(dev->dev); + + adev = drm_to_adev(dev); + /* if we have active crtcs and we don't have a power ref, + * take the current one + */ + if (active && !adev->have_disp_power_ref) { + adev->have_disp_power_ref = true; + return ret; + } + /* if we have no active crtcs, then go to + * drop the power ref we got before + */ + if (!active && adev->have_disp_power_ref) + adev->have_disp_power_ref = false; +out: + /* drop the power reference we got coming in here */ + pm_runtime_put_autosuspend(dev->dev); + return ret; +} + +static const char *encoder_names[41] = { + "NONE", + "INTERNAL_LVDS", + "INTERNAL_TMDS1", + "INTERNAL_TMDS2", + "INTERNAL_DAC1", + "INTERNAL_DAC2", + "INTERNAL_SDVOA", + "INTERNAL_SDVOB", + "SI170B", + "CH7303", + "CH7301", + "INTERNAL_DVO1", + "EXTERNAL_SDVOA", + "EXTERNAL_SDVOB", + "TITFP513", + "INTERNAL_LVTM1", + "VT1623", + "HDMI_SI1930", + "HDMI_INTERNAL", + "INTERNAL_KLDSCP_TMDS1", + "INTERNAL_KLDSCP_DVO1", + "INTERNAL_KLDSCP_DAC1", + "INTERNAL_KLDSCP_DAC2", + "SI178", + "MVPU_FPGA", + "INTERNAL_DDI", + "VT1625", + "HDMI_SI1932", + "DP_AN9801", + "DP_DP501", + "INTERNAL_UNIPHY", + "INTERNAL_KLDSCP_LVTMA", + "INTERNAL_UNIPHY1", + "INTERNAL_UNIPHY2", + "NUTMEG", + "TRAVIS", + "INTERNAL_VCE", + "INTERNAL_UNIPHY3", + "HDMI_ANX9805", + "INTERNAL_AMCLK", + "VIRTUAL", +}; + +static const char *hpd_names[6] = { + "HPD1", + "HPD2", + "HPD3", + "HPD4", + "HPD5", + "HPD6", +}; + +void amdgpu_display_print_display_setup(struct drm_device *dev) +{ + struct drm_connector *connector; + struct amdgpu_connector *amdgpu_connector; + struct drm_encoder *encoder; + struct amdgpu_encoder *amdgpu_encoder; + struct drm_connector_list_iter iter; + uint32_t devices; + int i = 0; + + drm_connector_list_iter_begin(dev, &iter); + DRM_INFO("AMDGPU Display Connectors\n"); + drm_for_each_connector_iter(connector, &iter) { + amdgpu_connector = to_amdgpu_connector(connector); + DRM_INFO("Connector %d:\n", i); + DRM_INFO(" %s\n", connector->name); + if (amdgpu_connector->hpd.hpd != AMDGPU_HPD_NONE) + DRM_INFO(" %s\n", hpd_names[amdgpu_connector->hpd.hpd]); + if (amdgpu_connector->ddc_bus) { + DRM_INFO(" DDC: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", + amdgpu_connector->ddc_bus->rec.mask_clk_reg, + amdgpu_connector->ddc_bus->rec.mask_data_reg, + amdgpu_connector->ddc_bus->rec.a_clk_reg, + amdgpu_connector->ddc_bus->rec.a_data_reg, + amdgpu_connector->ddc_bus->rec.en_clk_reg, + amdgpu_connector->ddc_bus->rec.en_data_reg, + amdgpu_connector->ddc_bus->rec.y_clk_reg, + amdgpu_connector->ddc_bus->rec.y_data_reg); + if (amdgpu_connector->router.ddc_valid) + DRM_INFO(" DDC Router 0x%x/0x%x\n", + amdgpu_connector->router.ddc_mux_control_pin, + amdgpu_connector->router.ddc_mux_state); + if (amdgpu_connector->router.cd_valid) + DRM_INFO(" Clock/Data Router 0x%x/0x%x\n", + amdgpu_connector->router.cd_mux_control_pin, + amdgpu_connector->router.cd_mux_state); + } else { + if (connector->connector_type == DRM_MODE_CONNECTOR_VGA || + connector->connector_type == DRM_MODE_CONNECTOR_DVII || + connector->connector_type == DRM_MODE_CONNECTOR_DVID || + connector->connector_type == DRM_MODE_CONNECTOR_DVIA || + connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || + connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) + DRM_INFO(" DDC: no ddc bus - possible BIOS bug - please report to xorg-driver-ati@lists.x.org\n"); + } + DRM_INFO(" Encoders:\n"); + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + amdgpu_encoder = to_amdgpu_encoder(encoder); + devices = amdgpu_encoder->devices & amdgpu_connector->devices; + if (devices) { + if (devices & ATOM_DEVICE_CRT1_SUPPORT) + DRM_INFO(" CRT1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); + if (devices & ATOM_DEVICE_CRT2_SUPPORT) + DRM_INFO(" CRT2: %s\n", encoder_names[amdgpu_encoder->encoder_id]); + if (devices & ATOM_DEVICE_LCD1_SUPPORT) + DRM_INFO(" LCD1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP1_SUPPORT) + DRM_INFO(" DFP1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP2_SUPPORT) + DRM_INFO(" DFP2: %s\n", encoder_names[amdgpu_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP3_SUPPORT) + DRM_INFO(" DFP3: %s\n", encoder_names[amdgpu_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP4_SUPPORT) + DRM_INFO(" DFP4: %s\n", encoder_names[amdgpu_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP5_SUPPORT) + DRM_INFO(" DFP5: %s\n", encoder_names[amdgpu_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP6_SUPPORT) + DRM_INFO(" DFP6: %s\n", encoder_names[amdgpu_encoder->encoder_id]); + if (devices & ATOM_DEVICE_TV1_SUPPORT) + DRM_INFO(" TV1: %s\n", encoder_names[amdgpu_encoder->encoder_id]); + if (devices & ATOM_DEVICE_CV_SUPPORT) + DRM_INFO(" CV: %s\n", encoder_names[amdgpu_encoder->encoder_id]); + } + } + i++; + } + drm_connector_list_iter_end(&iter); +} + +bool amdgpu_display_ddc_probe(struct amdgpu_connector *amdgpu_connector, + bool use_aux) +{ + u8 out = 0x0; + u8 buf[8]; + int ret; + struct i2c_msg msgs[] = { + { + .addr = DDC_ADDR, + .flags = 0, + .len = 1, + .buf = &out, + }, + { + .addr = DDC_ADDR, + .flags = I2C_M_RD, + .len = 8, + .buf = buf, + } + }; + + /* on hw with routers, select right port */ + if (amdgpu_connector->router.ddc_valid) + amdgpu_i2c_router_select_ddc_port(amdgpu_connector); + + if (use_aux) + ret = i2c_transfer(&amdgpu_connector->ddc_bus->aux.ddc, msgs, 2); + else + ret = i2c_transfer(&amdgpu_connector->ddc_bus->adapter, msgs, 2); + + if (ret != 2) + /* Couldn't find an accessible DDC on this connector */ + return false; + /* Probe also for valid EDID header + * EDID header starts with: + * 0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00. + * Only the first 6 bytes must be valid as + * drm_edid_block_valid() can fix the last 2 bytes + */ + if (drm_edid_header_is_valid(buf) < 6) { + /* Couldn't find an accessible EDID on this + * connector + */ + return false; + } + return true; +} + +static int amdgpu_dirtyfb(struct drm_framebuffer *fb, struct drm_file *file, + unsigned int flags, unsigned int color, + struct drm_clip_rect *clips, unsigned int num_clips) +{ + + if (file) + return -ENOSYS; + + return drm_atomic_helper_dirtyfb(fb, file, flags, color, clips, + num_clips); +} + +static const struct drm_framebuffer_funcs amdgpu_fb_funcs = { + .destroy = drm_gem_fb_destroy, + .create_handle = drm_gem_fb_create_handle, +}; + +static const struct drm_framebuffer_funcs amdgpu_fb_funcs_atomic = { + .destroy = drm_gem_fb_destroy, + .create_handle = drm_gem_fb_create_handle, + .dirty = amdgpu_dirtyfb +}; + +uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev, + uint64_t bo_flags) +{ + uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM; + +#if defined(CONFIG_DRM_AMD_DC) + /* + * if amdgpu_bo_support_uswc returns false it means that USWC mappings + * is not supported for this board. But this mapping is required + * to avoid hang caused by placement of scanout BO in GTT on certain + * APUs. So force the BO placement to VRAM in case this architecture + * will not allow USWC mappings. + * Also, don't allow GTT domain if the BO doesn't have USWC flag set. + */ + if ((bo_flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC) && + amdgpu_bo_support_uswc(bo_flags) && + adev->dc_enabled && + adev->mode_info.gpu_vm_support) + domain |= AMDGPU_GEM_DOMAIN_GTT; +#endif + + return domain; +} + +static const struct drm_format_info dcc_formats[] = { + { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 2, + .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, + { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 2, + .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, + { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 2, + .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, + .has_alpha = true, }, + { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 2, + .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, + .has_alpha = true, }, + { .format = DRM_FORMAT_BGRA8888, .depth = 32, .num_planes = 2, + .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, + .has_alpha = true, }, + { .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 2, + .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, + { .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 2, + .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, + { .format = DRM_FORMAT_ARGB2101010, .depth = 30, .num_planes = 2, + .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, + .has_alpha = true, }, + { .format = DRM_FORMAT_ABGR2101010, .depth = 30, .num_planes = 2, + .cpp = { 4, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, + .has_alpha = true, }, + { .format = DRM_FORMAT_RGB565, .depth = 16, .num_planes = 2, + .cpp = { 2, 0, }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, +}; + +static const struct drm_format_info dcc_retile_formats[] = { + { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 3, + .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, + { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 3, + .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, + { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 3, + .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, + .has_alpha = true, }, + { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 3, + .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, + .has_alpha = true, }, + { .format = DRM_FORMAT_BGRA8888, .depth = 32, .num_planes = 3, + .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, + .has_alpha = true, }, + { .format = DRM_FORMAT_XRGB2101010, .depth = 30, .num_planes = 3, + .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, + { .format = DRM_FORMAT_XBGR2101010, .depth = 30, .num_planes = 3, + .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, + { .format = DRM_FORMAT_ARGB2101010, .depth = 30, .num_planes = 3, + .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, + .has_alpha = true, }, + { .format = DRM_FORMAT_ABGR2101010, .depth = 30, .num_planes = 3, + .cpp = { 4, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, + .has_alpha = true, }, + { .format = DRM_FORMAT_RGB565, .depth = 16, .num_planes = 3, + .cpp = { 2, 0, 0 }, .block_w = {1, 1, 1}, .block_h = {1, 1, 1}, .hsub = 1, .vsub = 1, }, +}; + +static const struct drm_format_info * +lookup_format_info(const struct drm_format_info formats[], + int num_formats, u32 format) +{ + int i; + + for (i = 0; i < num_formats; i++) { + if (formats[i].format == format) + return &formats[i]; + } + + return NULL; +} + +const struct drm_format_info * +amdgpu_lookup_format_info(u32 format, uint64_t modifier) +{ + if (!IS_AMD_FMT_MOD(modifier)) + return NULL; + + if (AMD_FMT_MOD_GET(DCC_RETILE, modifier)) + return lookup_format_info(dcc_retile_formats, + ARRAY_SIZE(dcc_retile_formats), + format); + + if (AMD_FMT_MOD_GET(DCC, modifier)) + return lookup_format_info(dcc_formats, ARRAY_SIZE(dcc_formats), + format); + + /* returning NULL will cause the default format structs to be used. */ + return NULL; +} + + +/* + * Tries to extract the renderable DCC offset from the opaque metadata attached + * to the buffer. + */ +static int +extract_render_dcc_offset(struct amdgpu_device *adev, + struct drm_gem_object *obj, + uint64_t *offset) +{ + struct amdgpu_bo *rbo; + int r = 0; + uint32_t metadata[10]; /* Something that fits a descriptor + header. */ + uint32_t size; + + rbo = gem_to_amdgpu_bo(obj); + r = amdgpu_bo_reserve(rbo, false); + + if (unlikely(r)) { + /* Don't show error message when returning -ERESTARTSYS */ + if (r != -ERESTARTSYS) + DRM_ERROR("Unable to reserve buffer: %d\n", r); + return r; + } + + r = amdgpu_bo_get_metadata(rbo, metadata, sizeof(metadata), &size, NULL); + amdgpu_bo_unreserve(rbo); + + if (r) + return r; + + /* + * The first word is the metadata version, and we need space for at least + * the version + pci vendor+device id + 8 words for a descriptor. + */ + if (size < 40 || metadata[0] != 1) + return -EINVAL; + + if (adev->family >= AMDGPU_FAMILY_NV) { + /* resource word 6/7 META_DATA_ADDRESS{_LO} */ + *offset = ((u64)metadata[9] << 16u) | + ((metadata[8] & 0xFF000000u) >> 16); + } else { + /* resource word 5/7 META_DATA_ADDRESS */ + *offset = ((u64)metadata[9] << 8u) | + ((u64)(metadata[7] & 0x1FE0000u) << 23); + } + + return 0; +} + +static int convert_tiling_flags_to_modifier(struct amdgpu_framebuffer *afb) +{ + struct amdgpu_device *adev = drm_to_adev(afb->base.dev); + uint64_t modifier = 0; + int num_pipes = 0; + int num_pkrs = 0; + + num_pkrs = adev->gfx.config.gb_addr_config_fields.num_pkrs; + num_pipes = adev->gfx.config.gb_addr_config_fields.num_pipes; + + if (!afb->tiling_flags || !AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE)) { + modifier = DRM_FORMAT_MOD_LINEAR; + } else { + int swizzle = AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE); + bool has_xor = swizzle >= 16; + int block_size_bits; + int version; + int pipe_xor_bits = 0; + int bank_xor_bits = 0; + int packers = 0; + int rb = 0; + int pipes = ilog2(num_pipes); + uint32_t dcc_offset = AMDGPU_TILING_GET(afb->tiling_flags, DCC_OFFSET_256B); + + switch (swizzle >> 2) { + case 0: /* 256B */ + block_size_bits = 8; + break; + case 1: /* 4KiB */ + case 5: /* 4KiB _X */ + block_size_bits = 12; + break; + case 2: /* 64KiB */ + case 4: /* 64 KiB _T */ + case 6: /* 64 KiB _X */ + block_size_bits = 16; + break; + case 7: /* 256 KiB */ + block_size_bits = 18; + break; + default: + /* RESERVED or VAR */ + return -EINVAL; + } + + if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(11, 0, 0)) + version = AMD_FMT_MOD_TILE_VER_GFX11; + else if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 3, 0)) + version = AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS; + else if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 0, 0)) + version = AMD_FMT_MOD_TILE_VER_GFX10; + else + version = AMD_FMT_MOD_TILE_VER_GFX9; + + switch (swizzle & 3) { + case 0: /* Z microtiling */ + return -EINVAL; + case 1: /* S microtiling */ + if (adev->ip_versions[GC_HWIP][0] < IP_VERSION(11, 0, 0)) { + if (!has_xor) + version = AMD_FMT_MOD_TILE_VER_GFX9; + } + break; + case 2: + if (adev->ip_versions[GC_HWIP][0] < IP_VERSION(11, 0, 0)) { + if (!has_xor && afb->base.format->cpp[0] != 4) + version = AMD_FMT_MOD_TILE_VER_GFX9; + } + break; + case 3: + break; + } + + if (has_xor) { + if (num_pipes == num_pkrs && num_pkrs == 0) { + DRM_ERROR("invalid number of pipes and packers\n"); + return -EINVAL; + } + + switch (version) { + case AMD_FMT_MOD_TILE_VER_GFX11: + pipe_xor_bits = min(block_size_bits - 8, pipes); + packers = ilog2(adev->gfx.config.gb_addr_config_fields.num_pkrs); + break; + case AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS: + pipe_xor_bits = min(block_size_bits - 8, pipes); + packers = min(block_size_bits - 8 - pipe_xor_bits, + ilog2(adev->gfx.config.gb_addr_config_fields.num_pkrs)); + break; + case AMD_FMT_MOD_TILE_VER_GFX10: + pipe_xor_bits = min(block_size_bits - 8, pipes); + break; + case AMD_FMT_MOD_TILE_VER_GFX9: + rb = ilog2(adev->gfx.config.gb_addr_config_fields.num_se) + + ilog2(adev->gfx.config.gb_addr_config_fields.num_rb_per_se); + pipe_xor_bits = min(block_size_bits - 8, pipes + + ilog2(adev->gfx.config.gb_addr_config_fields.num_se)); + bank_xor_bits = min(block_size_bits - 8 - pipe_xor_bits, + ilog2(adev->gfx.config.gb_addr_config_fields.num_banks)); + break; + } + } + + modifier = AMD_FMT_MOD | + AMD_FMT_MOD_SET(TILE, AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE)) | + AMD_FMT_MOD_SET(TILE_VERSION, version) | + AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) | + AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) | + AMD_FMT_MOD_SET(PACKERS, packers); + + if (dcc_offset != 0) { + bool dcc_i64b = AMDGPU_TILING_GET(afb->tiling_flags, DCC_INDEPENDENT_64B) != 0; + bool dcc_i128b = version >= AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS; + const struct drm_format_info *format_info; + u64 render_dcc_offset; + + /* Enable constant encode on RAVEN2 and later. */ + bool dcc_constant_encode = (adev->asic_type > CHIP_RAVEN || + (adev->asic_type == CHIP_RAVEN && + adev->external_rev_id >= 0x81)) && + adev->ip_versions[GC_HWIP][0] < IP_VERSION(11, 0, 0); + + int max_cblock_size = dcc_i64b ? AMD_FMT_MOD_DCC_BLOCK_64B : + dcc_i128b ? AMD_FMT_MOD_DCC_BLOCK_128B : + AMD_FMT_MOD_DCC_BLOCK_256B; + + modifier |= AMD_FMT_MOD_SET(DCC, 1) | + AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, dcc_constant_encode) | + AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, dcc_i64b) | + AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, dcc_i128b) | + AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, max_cblock_size); + + afb->base.offsets[1] = dcc_offset * 256 + afb->base.offsets[0]; + afb->base.pitches[1] = + AMDGPU_TILING_GET(afb->tiling_flags, DCC_PITCH_MAX) + 1; + + /* + * If the userspace driver uses retiling the tiling flags do not contain + * info on the renderable DCC buffer. Luckily the opaque metadata contains + * the info so we can try to extract it. The kernel does not use this info + * but we should convert it to a modifier plane for getfb2, so the + * userspace driver that gets it doesn't have to juggle around another DCC + * plane internally. + */ + if (extract_render_dcc_offset(adev, afb->base.obj[0], + &render_dcc_offset) == 0 && + render_dcc_offset != 0 && + render_dcc_offset != afb->base.offsets[1] && + render_dcc_offset < UINT_MAX) { + uint32_t dcc_block_bits; /* of base surface data */ + + modifier |= AMD_FMT_MOD_SET(DCC_RETILE, 1); + afb->base.offsets[2] = render_dcc_offset; + + if (adev->family >= AMDGPU_FAMILY_NV) { + int extra_pipe = 0; + + if ((adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 3, 0)) && + pipes == packers && pipes > 1) + extra_pipe = 1; + + dcc_block_bits = max(20, 16 + pipes + extra_pipe); + } else { + modifier |= AMD_FMT_MOD_SET(RB, rb) | + AMD_FMT_MOD_SET(PIPE, pipes); + dcc_block_bits = max(20, 18 + rb); + } + + dcc_block_bits -= ilog2(afb->base.format->cpp[0]); + afb->base.pitches[2] = ALIGN(afb->base.width, + 1u << ((dcc_block_bits + 1) / 2)); + } + format_info = amdgpu_lookup_format_info(afb->base.format->format, + modifier); + if (!format_info) + return -EINVAL; + + afb->base.format = format_info; + } + } + + afb->base.modifier = modifier; + afb->base.flags |= DRM_MODE_FB_MODIFIERS; + return 0; +} + +/* Mirrors the is_displayable check in radeonsi's gfx6_compute_surface */ +static int check_tiling_flags_gfx6(struct amdgpu_framebuffer *afb) +{ + u64 micro_tile_mode; + + /* Zero swizzle mode means linear */ + if (AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE) == 0) + return 0; + + micro_tile_mode = AMDGPU_TILING_GET(afb->tiling_flags, MICRO_TILE_MODE); + switch (micro_tile_mode) { + case 0: /* DISPLAY */ + case 3: /* RENDER */ + return 0; + default: + drm_dbg_kms(afb->base.dev, + "Micro tile mode %llu not supported for scanout\n", + micro_tile_mode); + return -EINVAL; + } +} + +static void get_block_dimensions(unsigned int block_log2, unsigned int cpp, + unsigned int *width, unsigned int *height) +{ + unsigned int cpp_log2 = ilog2(cpp); + unsigned int pixel_log2 = block_log2 - cpp_log2; + unsigned int width_log2 = (pixel_log2 + 1) / 2; + unsigned int height_log2 = pixel_log2 - width_log2; + + *width = 1 << width_log2; + *height = 1 << height_log2; +} + +static unsigned int get_dcc_block_size(uint64_t modifier, bool rb_aligned, + bool pipe_aligned) +{ + unsigned int ver = AMD_FMT_MOD_GET(TILE_VERSION, modifier); + + switch (ver) { + case AMD_FMT_MOD_TILE_VER_GFX9: { + /* + * TODO: for pipe aligned we may need to check the alignment of the + * total size of the surface, which may need to be bigger than the + * natural alignment due to some HW workarounds + */ + return max(10 + (rb_aligned ? (int)AMD_FMT_MOD_GET(RB, modifier) : 0), 12); + } + case AMD_FMT_MOD_TILE_VER_GFX10: + case AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS: + case AMD_FMT_MOD_TILE_VER_GFX11: { + int pipes_log2 = AMD_FMT_MOD_GET(PIPE_XOR_BITS, modifier); + + if (ver >= AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS && pipes_log2 > 1 && + AMD_FMT_MOD_GET(PACKERS, modifier) == pipes_log2) + ++pipes_log2; + + return max(8 + (pipe_aligned ? pipes_log2 : 0), 12); + } + default: + return 0; + } +} + +static int amdgpu_display_verify_plane(struct amdgpu_framebuffer *rfb, int plane, + const struct drm_format_info *format, + unsigned int block_width, unsigned int block_height, + unsigned int block_size_log2) +{ + unsigned int width = rfb->base.width / + ((plane && plane < format->num_planes) ? format->hsub : 1); + unsigned int height = rfb->base.height / + ((plane && plane < format->num_planes) ? format->vsub : 1); + unsigned int cpp = plane < format->num_planes ? format->cpp[plane] : 1; + unsigned int block_pitch = block_width * cpp; + unsigned int min_pitch = ALIGN(width * cpp, block_pitch); + unsigned int block_size = 1 << block_size_log2; + uint64_t size; + + if (rfb->base.pitches[plane] % block_pitch) { + drm_dbg_kms(rfb->base.dev, + "pitch %d for plane %d is not a multiple of block pitch %d\n", + rfb->base.pitches[plane], plane, block_pitch); + return -EINVAL; + } + if (rfb->base.pitches[plane] < min_pitch) { + drm_dbg_kms(rfb->base.dev, + "pitch %d for plane %d is less than minimum pitch %d\n", + rfb->base.pitches[plane], plane, min_pitch); + return -EINVAL; + } + + /* Force at least natural alignment. */ + if (rfb->base.offsets[plane] % block_size) { + drm_dbg_kms(rfb->base.dev, + "offset 0x%x for plane %d is not a multiple of block pitch 0x%x\n", + rfb->base.offsets[plane], plane, block_size); + return -EINVAL; + } + + size = rfb->base.offsets[plane] + + (uint64_t)rfb->base.pitches[plane] / block_pitch * + block_size * DIV_ROUND_UP(height, block_height); + + if (rfb->base.obj[0]->size < size) { + drm_dbg_kms(rfb->base.dev, + "BO size 0x%zx is less than 0x%llx required for plane %d\n", + rfb->base.obj[0]->size, size, plane); + return -EINVAL; + } + + return 0; +} + + +static int amdgpu_display_verify_sizes(struct amdgpu_framebuffer *rfb) +{ + const struct drm_format_info *format_info = drm_format_info(rfb->base.format->format); + uint64_t modifier = rfb->base.modifier; + int ret; + unsigned int i, block_width, block_height, block_size_log2; + + if (rfb->base.dev->mode_config.fb_modifiers_not_supported) + return 0; + + for (i = 0; i < format_info->num_planes; ++i) { + if (modifier == DRM_FORMAT_MOD_LINEAR) { + block_width = 256 / format_info->cpp[i]; + block_height = 1; + block_size_log2 = 8; + } else { + int swizzle = AMD_FMT_MOD_GET(TILE, modifier); + + switch ((swizzle & ~3) + 1) { + case DC_SW_256B_S: + block_size_log2 = 8; + break; + case DC_SW_4KB_S: + case DC_SW_4KB_S_X: + block_size_log2 = 12; + break; + case DC_SW_64KB_S: + case DC_SW_64KB_S_T: + case DC_SW_64KB_S_X: + block_size_log2 = 16; + break; + case DC_SW_VAR_S_X: + block_size_log2 = 18; + break; + default: + drm_dbg_kms(rfb->base.dev, + "Swizzle mode with unknown block size: %d\n", swizzle); + return -EINVAL; + } + + get_block_dimensions(block_size_log2, format_info->cpp[i], + &block_width, &block_height); + } + + ret = amdgpu_display_verify_plane(rfb, i, format_info, + block_width, block_height, block_size_log2); + if (ret) + return ret; + } + + if (AMD_FMT_MOD_GET(DCC, modifier)) { + if (AMD_FMT_MOD_GET(DCC_RETILE, modifier)) { + block_size_log2 = get_dcc_block_size(modifier, false, false); + get_block_dimensions(block_size_log2 + 8, format_info->cpp[0], + &block_width, &block_height); + ret = amdgpu_display_verify_plane(rfb, i, format_info, + block_width, block_height, + block_size_log2); + if (ret) + return ret; + + ++i; + block_size_log2 = get_dcc_block_size(modifier, true, true); + } else { + bool pipe_aligned = AMD_FMT_MOD_GET(DCC_PIPE_ALIGN, modifier); + + block_size_log2 = get_dcc_block_size(modifier, true, pipe_aligned); + } + get_block_dimensions(block_size_log2 + 8, format_info->cpp[0], + &block_width, &block_height); + ret = amdgpu_display_verify_plane(rfb, i, format_info, + block_width, block_height, block_size_log2); + if (ret) + return ret; + } + + return 0; +} + +static int amdgpu_display_get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb, + uint64_t *tiling_flags, bool *tmz_surface) +{ + struct amdgpu_bo *rbo; + int r; + + if (!amdgpu_fb) { + *tiling_flags = 0; + *tmz_surface = false; + return 0; + } + + rbo = gem_to_amdgpu_bo(amdgpu_fb->base.obj[0]); + r = amdgpu_bo_reserve(rbo, false); + + if (unlikely(r)) { + /* Don't show error message when returning -ERESTARTSYS */ + if (r != -ERESTARTSYS) + DRM_ERROR("Unable to reserve buffer: %d\n", r); + return r; + } + + if (tiling_flags) + amdgpu_bo_get_tiling_flags(rbo, tiling_flags); + + if (tmz_surface) + *tmz_surface = amdgpu_bo_encrypted(rbo); + + amdgpu_bo_unreserve(rbo); + + return r; +} + +static int amdgpu_display_gem_fb_verify_and_init(struct drm_device *dev, + struct amdgpu_framebuffer *rfb, + struct drm_file *file_priv, + const struct drm_mode_fb_cmd2 *mode_cmd, + struct drm_gem_object *obj) +{ + int ret; + + rfb->base.obj[0] = obj; + drm_helper_mode_fill_fb_struct(dev, &rfb->base, mode_cmd); + /* Verify that the modifier is supported. */ + if (!drm_any_plane_has_format(dev, mode_cmd->pixel_format, + mode_cmd->modifier[0])) { + drm_dbg_kms(dev, + "unsupported pixel format %p4cc / modifier 0x%llx\n", + &mode_cmd->pixel_format, mode_cmd->modifier[0]); + + ret = -EINVAL; + goto err; + } + + ret = amdgpu_display_framebuffer_init(dev, rfb, mode_cmd, obj); + if (ret) + goto err; + + if (drm_drv_uses_atomic_modeset(dev)) + ret = drm_framebuffer_init(dev, &rfb->base, + &amdgpu_fb_funcs_atomic); + else + ret = drm_framebuffer_init(dev, &rfb->base, &amdgpu_fb_funcs); + + if (ret) + goto err; + + return 0; +err: + drm_dbg_kms(dev, "Failed to verify and init gem fb: %d\n", ret); + rfb->base.obj[0] = NULL; + return ret; +} + +static int amdgpu_display_framebuffer_init(struct drm_device *dev, + struct amdgpu_framebuffer *rfb, + const struct drm_mode_fb_cmd2 *mode_cmd, + struct drm_gem_object *obj) +{ + struct amdgpu_device *adev = drm_to_adev(dev); + int ret, i; + + /* + * This needs to happen before modifier conversion as that might change + * the number of planes. + */ + for (i = 1; i < rfb->base.format->num_planes; ++i) { + if (mode_cmd->handles[i] != mode_cmd->handles[0]) { + drm_dbg_kms(dev, "Plane 0 and %d have different BOs: %u vs. %u\n", + i, mode_cmd->handles[0], mode_cmd->handles[i]); + ret = -EINVAL; + return ret; + } + } + + ret = amdgpu_display_get_fb_info(rfb, &rfb->tiling_flags, &rfb->tmz_surface); + if (ret) + return ret; + + if (dev->mode_config.fb_modifiers_not_supported && !adev->enable_virtual_display) { + drm_WARN_ONCE(dev, adev->family >= AMDGPU_FAMILY_AI, + "GFX9+ requires FB check based on format modifier\n"); + ret = check_tiling_flags_gfx6(rfb); + if (ret) + return ret; + } + + if (!dev->mode_config.fb_modifiers_not_supported && + !(rfb->base.flags & DRM_MODE_FB_MODIFIERS)) { + ret = convert_tiling_flags_to_modifier(rfb); + if (ret) { + drm_dbg_kms(dev, "Failed to convert tiling flags 0x%llX to a modifier", + rfb->tiling_flags); + return ret; + } + } + + ret = amdgpu_display_verify_sizes(rfb); + if (ret) + return ret; + + for (i = 0; i < rfb->base.format->num_planes; ++i) { + drm_gem_object_get(rfb->base.obj[0]); + rfb->base.obj[i] = rfb->base.obj[0]; + } + + return 0; +} + +struct drm_framebuffer * +amdgpu_display_user_framebuffer_create(struct drm_device *dev, + struct drm_file *file_priv, + const struct drm_mode_fb_cmd2 *mode_cmd) +{ + struct amdgpu_framebuffer *amdgpu_fb; + struct drm_gem_object *obj; + struct amdgpu_bo *bo; + uint32_t domains; + int ret; + + obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); + if (obj == NULL) { + drm_dbg_kms(dev, + "No GEM object associated to handle 0x%08X, can't create framebuffer\n", + mode_cmd->handles[0]); + + return ERR_PTR(-ENOENT); + } + + /* Handle is imported dma-buf, so cannot be migrated to VRAM for scanout */ + bo = gem_to_amdgpu_bo(obj); + domains = amdgpu_display_supported_domains(drm_to_adev(dev), bo->flags); + if (obj->import_attach && !(domains & AMDGPU_GEM_DOMAIN_GTT)) { + drm_dbg_kms(dev, "Cannot create framebuffer from imported dma_buf\n"); + drm_gem_object_put(obj); + return ERR_PTR(-EINVAL); + } + + amdgpu_fb = kzalloc(sizeof(*amdgpu_fb), GFP_KERNEL); + if (amdgpu_fb == NULL) { + drm_gem_object_put(obj); + return ERR_PTR(-ENOMEM); + } + + ret = amdgpu_display_gem_fb_verify_and_init(dev, amdgpu_fb, file_priv, + mode_cmd, obj); + if (ret) { + kfree(amdgpu_fb); + drm_gem_object_put(obj); + return ERR_PTR(ret); + } + + drm_gem_object_put(obj); + return &amdgpu_fb->base; +} + +const struct drm_mode_config_funcs amdgpu_mode_funcs = { + .fb_create = amdgpu_display_user_framebuffer_create, +}; + +static const struct drm_prop_enum_list amdgpu_underscan_enum_list[] = { + { UNDERSCAN_OFF, "off" }, + { UNDERSCAN_ON, "on" }, + { UNDERSCAN_AUTO, "auto" }, +}; + +static const struct drm_prop_enum_list amdgpu_audio_enum_list[] = { + { AMDGPU_AUDIO_DISABLE, "off" }, + { AMDGPU_AUDIO_ENABLE, "on" }, + { AMDGPU_AUDIO_AUTO, "auto" }, +}; + +/* XXX support different dither options? spatial, temporal, both, etc. */ +static const struct drm_prop_enum_list amdgpu_dither_enum_list[] = { + { AMDGPU_FMT_DITHER_DISABLE, "off" }, + { AMDGPU_FMT_DITHER_ENABLE, "on" }, +}; + +int amdgpu_display_modeset_create_props(struct amdgpu_device *adev) +{ + int sz; + + adev->mode_info.coherent_mode_property = + drm_property_create_range(adev_to_drm(adev), 0, "coherent", 0, 1); + if (!adev->mode_info.coherent_mode_property) + return -ENOMEM; + + adev->mode_info.load_detect_property = + drm_property_create_range(adev_to_drm(adev), 0, "load detection", 0, 1); + if (!adev->mode_info.load_detect_property) + return -ENOMEM; + + drm_mode_create_scaling_mode_property(adev_to_drm(adev)); + + sz = ARRAY_SIZE(amdgpu_underscan_enum_list); + adev->mode_info.underscan_property = + drm_property_create_enum(adev_to_drm(adev), 0, + "underscan", + amdgpu_underscan_enum_list, sz); + + adev->mode_info.underscan_hborder_property = + drm_property_create_range(adev_to_drm(adev), 0, + "underscan hborder", 0, 128); + if (!adev->mode_info.underscan_hborder_property) + return -ENOMEM; + + adev->mode_info.underscan_vborder_property = + drm_property_create_range(adev_to_drm(adev), 0, + "underscan vborder", 0, 128); + if (!adev->mode_info.underscan_vborder_property) + return -ENOMEM; + + sz = ARRAY_SIZE(amdgpu_audio_enum_list); + adev->mode_info.audio_property = + drm_property_create_enum(adev_to_drm(adev), 0, + "audio", + amdgpu_audio_enum_list, sz); + + sz = ARRAY_SIZE(amdgpu_dither_enum_list); + adev->mode_info.dither_property = + drm_property_create_enum(adev_to_drm(adev), 0, + "dither", + amdgpu_dither_enum_list, sz); + + if (adev->dc_enabled) { + adev->mode_info.abm_level_property = + drm_property_create_range(adev_to_drm(adev), 0, + "abm level", 0, 4); + if (!adev->mode_info.abm_level_property) + return -ENOMEM; + } + + return 0; +} + +void amdgpu_display_update_priority(struct amdgpu_device *adev) +{ + /* adjustment options for the display watermarks */ + if ((amdgpu_disp_priority == 0) || (amdgpu_disp_priority > 2)) + adev->mode_info.disp_priority = 0; + else + adev->mode_info.disp_priority = amdgpu_disp_priority; + +} + +static bool amdgpu_display_is_hdtv_mode(const struct drm_display_mode *mode) +{ + /* try and guess if this is a tv or a monitor */ + if ((mode->vdisplay == 480 && mode->hdisplay == 720) || /* 480p */ + (mode->vdisplay == 576) || /* 576p */ + (mode->vdisplay == 720) || /* 720p */ + (mode->vdisplay == 1080)) /* 1080p */ + return true; + else + return false; +} + +bool amdgpu_display_crtc_scaling_mode_fixup(struct drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = crtc->dev; + struct drm_encoder *encoder; + struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + struct amdgpu_encoder *amdgpu_encoder; + struct drm_connector *connector; + u32 src_v = 1, dst_v = 1; + u32 src_h = 1, dst_h = 1; + + amdgpu_crtc->h_border = 0; + amdgpu_crtc->v_border = 0; + + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + if (encoder->crtc != crtc) + continue; + amdgpu_encoder = to_amdgpu_encoder(encoder); + connector = amdgpu_get_connector_for_encoder(encoder); + + /* set scaling */ + if (amdgpu_encoder->rmx_type == RMX_OFF) + amdgpu_crtc->rmx_type = RMX_OFF; + else if (mode->hdisplay < amdgpu_encoder->native_mode.hdisplay || + mode->vdisplay < amdgpu_encoder->native_mode.vdisplay) + amdgpu_crtc->rmx_type = amdgpu_encoder->rmx_type; + else + amdgpu_crtc->rmx_type = RMX_OFF; + /* copy native mode */ + memcpy(&amdgpu_crtc->native_mode, + &amdgpu_encoder->native_mode, + sizeof(struct drm_display_mode)); + src_v = crtc->mode.vdisplay; + dst_v = amdgpu_crtc->native_mode.vdisplay; + src_h = crtc->mode.hdisplay; + dst_h = amdgpu_crtc->native_mode.hdisplay; + + /* fix up for overscan on hdmi */ + if ((!(mode->flags & DRM_MODE_FLAG_INTERLACE)) && + ((amdgpu_encoder->underscan_type == UNDERSCAN_ON) || + ((amdgpu_encoder->underscan_type == UNDERSCAN_AUTO) && + connector->display_info.is_hdmi && + amdgpu_display_is_hdtv_mode(mode)))) { + if (amdgpu_encoder->underscan_hborder != 0) + amdgpu_crtc->h_border = amdgpu_encoder->underscan_hborder; + else + amdgpu_crtc->h_border = (mode->hdisplay >> 5) + 16; + if (amdgpu_encoder->underscan_vborder != 0) + amdgpu_crtc->v_border = amdgpu_encoder->underscan_vborder; + else + amdgpu_crtc->v_border = (mode->vdisplay >> 5) + 16; + amdgpu_crtc->rmx_type = RMX_FULL; + src_v = crtc->mode.vdisplay; + dst_v = crtc->mode.vdisplay - (amdgpu_crtc->v_border * 2); + src_h = crtc->mode.hdisplay; + dst_h = crtc->mode.hdisplay - (amdgpu_crtc->h_border * 2); + } + } + if (amdgpu_crtc->rmx_type != RMX_OFF) { + fixed20_12 a, b; + + a.full = dfixed_const(src_v); + b.full = dfixed_const(dst_v); + amdgpu_crtc->vsc.full = dfixed_div(a, b); + a.full = dfixed_const(src_h); + b.full = dfixed_const(dst_h); + amdgpu_crtc->hsc.full = dfixed_div(a, b); + } else { + amdgpu_crtc->vsc.full = dfixed_const(1); + amdgpu_crtc->hsc.full = dfixed_const(1); + } + return true; +} + +/* + * Retrieve current video scanout position of crtc on a given gpu, and + * an optional accurate timestamp of when query happened. + * + * \param dev Device to query. + * \param pipe Crtc to query. + * \param flags from caller (DRM_CALLED_FROM_VBLIRQ or 0). + * For driver internal use only also supports these flags: + * + * USE_REAL_VBLANKSTART to use the real start of vblank instead + * of a fudged earlier start of vblank. + * + * GET_DISTANCE_TO_VBLANKSTART to return distance to the + * fudged earlier start of vblank in *vpos and the distance + * to true start of vblank in *hpos. + * + * \param *vpos Location where vertical scanout position should be stored. + * \param *hpos Location where horizontal scanout position should go. + * \param *stime Target location for timestamp taken immediately before + * scanout position query. Can be NULL to skip timestamp. + * \param *etime Target location for timestamp taken immediately after + * scanout position query. Can be NULL to skip timestamp. + * + * Returns vpos as a positive number while in active scanout area. + * Returns vpos as a negative number inside vblank, counting the number + * of scanlines to go until end of vblank, e.g., -1 means "one scanline + * until start of active scanout / end of vblank." + * + * \return Flags, or'ed together as follows: + * + * DRM_SCANOUTPOS_VALID = Query successful. + * DRM_SCANOUTPOS_INVBL = Inside vblank. + * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of + * this flag means that returned position may be offset by a constant but + * unknown small number of scanlines wrt. real scanout position. + * + */ +int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev, + unsigned int pipe, unsigned int flags, int *vpos, + int *hpos, ktime_t *stime, ktime_t *etime, + const struct drm_display_mode *mode) +{ + u32 vbl = 0, position = 0; + int vbl_start, vbl_end, vtotal, ret = 0; + bool in_vbl = true; + + struct amdgpu_device *adev = drm_to_adev(dev); + + /* preempt_disable_rt() should go right here in PREEMPT_RT patchset. */ + + /* Get optional system timestamp before query. */ + if (stime) + *stime = ktime_get(); + + if (amdgpu_display_page_flip_get_scanoutpos(adev, pipe, &vbl, &position) == 0) + ret |= DRM_SCANOUTPOS_VALID; + + /* Get optional system timestamp after query. */ + if (etime) + *etime = ktime_get(); + + /* preempt_enable_rt() should go right here in PREEMPT_RT patchset. */ + + /* Decode into vertical and horizontal scanout position. */ + *vpos = position & 0x1fff; + *hpos = (position >> 16) & 0x1fff; + + /* Valid vblank area boundaries from gpu retrieved? */ + if (vbl > 0) { + /* Yes: Decode. */ + ret |= DRM_SCANOUTPOS_ACCURATE; + vbl_start = vbl & 0x1fff; + vbl_end = (vbl >> 16) & 0x1fff; + } else { + /* No: Fake something reasonable which gives at least ok results. */ + vbl_start = mode->crtc_vdisplay; + vbl_end = 0; + } + + /* Called from driver internal vblank counter query code? */ + if (flags & GET_DISTANCE_TO_VBLANKSTART) { + /* Caller wants distance from real vbl_start in *hpos */ + *hpos = *vpos - vbl_start; + } + + /* Fudge vblank to start a few scanlines earlier to handle the + * problem that vblank irqs fire a few scanlines before start + * of vblank. Some driver internal callers need the true vblank + * start to be used and signal this via the USE_REAL_VBLANKSTART flag. + * + * The cause of the "early" vblank irq is that the irq is triggered + * by the line buffer logic when the line buffer read position enters + * the vblank, whereas our crtc scanout position naturally lags the + * line buffer read position. + */ + if (!(flags & USE_REAL_VBLANKSTART)) + vbl_start -= adev->mode_info.crtcs[pipe]->lb_vblank_lead_lines; + + /* Test scanout position against vblank region. */ + if ((*vpos < vbl_start) && (*vpos >= vbl_end)) + in_vbl = false; + + /* In vblank? */ + if (in_vbl) + ret |= DRM_SCANOUTPOS_IN_VBLANK; + + /* Called from driver internal vblank counter query code? */ + if (flags & GET_DISTANCE_TO_VBLANKSTART) { + /* Caller wants distance from fudged earlier vbl_start */ + *vpos -= vbl_start; + return ret; + } + + /* Check if inside vblank area and apply corrective offsets: + * vpos will then be >=0 in video scanout area, but negative + * within vblank area, counting down the number of lines until + * start of scanout. + */ + + /* Inside "upper part" of vblank area? Apply corrective offset if so: */ + if (in_vbl && (*vpos >= vbl_start)) { + vtotal = mode->crtc_vtotal; + + /* With variable refresh rate displays the vpos can exceed + * the vtotal value. Clamp to 0 to return -vbl_end instead + * of guessing the remaining number of lines until scanout. + */ + *vpos = (*vpos < vtotal) ? (*vpos - vtotal) : 0; + } + + /* Correct for shifted end of vbl at vbl_end. */ + *vpos = *vpos - vbl_end; + + return ret; +} + +int amdgpu_display_crtc_idx_to_irq_type(struct amdgpu_device *adev, int crtc) +{ + if (crtc < 0 || crtc >= adev->mode_info.num_crtc) + return AMDGPU_CRTC_IRQ_NONE; + + switch (crtc) { + case 0: + return AMDGPU_CRTC_IRQ_VBLANK1; + case 1: + return AMDGPU_CRTC_IRQ_VBLANK2; + case 2: + return AMDGPU_CRTC_IRQ_VBLANK3; + case 3: + return AMDGPU_CRTC_IRQ_VBLANK4; + case 4: + return AMDGPU_CRTC_IRQ_VBLANK5; + case 5: + return AMDGPU_CRTC_IRQ_VBLANK6; + default: + return AMDGPU_CRTC_IRQ_NONE; + } +} + +bool amdgpu_crtc_get_scanout_position(struct drm_crtc *crtc, + bool in_vblank_irq, int *vpos, + int *hpos, ktime_t *stime, ktime_t *etime, + const struct drm_display_mode *mode) +{ + struct drm_device *dev = crtc->dev; + unsigned int pipe = crtc->index; + + return amdgpu_display_get_crtc_scanoutpos(dev, pipe, 0, vpos, hpos, + stime, etime, mode); +} + +static bool +amdgpu_display_robj_is_fb(struct amdgpu_device *adev, struct amdgpu_bo *robj) +{ + struct drm_device *dev = adev_to_drm(adev); + struct drm_fb_helper *fb_helper = dev->fb_helper; + + if (!fb_helper || !fb_helper->buffer) + return false; + + if (gem_to_amdgpu_bo(fb_helper->buffer->gem) != robj) + return false; + + return true; +} + +int amdgpu_display_suspend_helper(struct amdgpu_device *adev) +{ + struct drm_device *dev = adev_to_drm(adev); + struct drm_crtc *crtc; + struct drm_connector *connector; + struct drm_connector_list_iter iter; + int r; + + drm_kms_helper_poll_disable(dev); + + /* turn off display hw */ + drm_modeset_lock_all(dev); + drm_connector_list_iter_begin(dev, &iter); + drm_for_each_connector_iter(connector, &iter) + drm_helper_connector_dpms(connector, + DRM_MODE_DPMS_OFF); + drm_connector_list_iter_end(&iter); + drm_modeset_unlock_all(dev); + /* unpin the front buffers and cursors */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + struct drm_framebuffer *fb = crtc->primary->fb; + struct amdgpu_bo *robj; + + if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { + struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); + + r = amdgpu_bo_reserve(aobj, true); + if (r == 0) { + amdgpu_bo_unpin(aobj); + amdgpu_bo_unreserve(aobj); + } + } + + if (!fb || !fb->obj[0]) + continue; + + robj = gem_to_amdgpu_bo(fb->obj[0]); + if (!amdgpu_display_robj_is_fb(adev, robj)) { + r = amdgpu_bo_reserve(robj, true); + if (r == 0) { + amdgpu_bo_unpin(robj); + amdgpu_bo_unreserve(robj); + } + } + } + return 0; +} + +int amdgpu_display_resume_helper(struct amdgpu_device *adev) +{ + struct drm_device *dev = adev_to_drm(adev); + struct drm_connector *connector; + struct drm_connector_list_iter iter; + struct drm_crtc *crtc; + int r; + + /* pin cursors */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + + if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { + struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); + + r = amdgpu_bo_reserve(aobj, true); + if (r == 0) { + r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); + if (r != 0) + dev_err(adev->dev, "Failed to pin cursor BO (%d)\n", r); + amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); + amdgpu_bo_unreserve(aobj); + } + } + } + + drm_helper_resume_force_mode(dev); + + /* turn on display hw */ + drm_modeset_lock_all(dev); + + drm_connector_list_iter_begin(dev, &iter); + drm_for_each_connector_iter(connector, &iter) + drm_helper_connector_dpms(connector, + DRM_MODE_DPMS_ON); + drm_connector_list_iter_end(&iter); + + drm_modeset_unlock_all(dev); + + drm_kms_helper_poll_enable(dev); + + return 0; +} + |