/* * 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_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 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 drop the power ref we got before */ if (!active && adev->have_disp_power_ref) { pm_runtime_put_autosuspend(dev->dev); 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 const struct drm_framebuffer_funcs amdgpu_fb_funcs = { .destroy = drm_gem_fb_destroy, .create_handle = drm_gem_fb_create_handle, }; 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; 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 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 == NULL || fb->obj[0] == NULL) { 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; }