dri-devel June 2022

dri-devel@lists.freedesktop.org

332 participants
697 discussions

[PATCH 0/3] drm/doc/rfc: i915 VM_BIND feature design + uapi
by Niranjana Vishwanathapura 17 Jun '22

17 Jun '22

This is the i915 driver VM_BIND feature design RFC patch series along with the required uapi definition and description of intended use cases. This series is an updated version of the below RFC series. It address the review feedback by adding execbuf3 ioctl for vm_bind, adding multiple queues support for vm_bind/unbind ioctls and some formatting and documentation updates. https://www.spinics.net/lists/dri-devel/msg347731.html Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura(a)intel.com> Niranjana Vishwanathapura (3): drm/doc/rfc: VM_BIND feature design document drm/i915: Update i915 uapi documentation drm/doc/rfc: VM_BIND uapi definition Documentation/driver-api/dma-buf.rst | 2 + Documentation/gpu/rfc/i915_vm_bind.h | 490 +++++++++++++++++++++++++ Documentation/gpu/rfc/i915_vm_bind.rst | 309 ++++++++++++++++ Documentation/gpu/rfc/index.rst | 4 + include/uapi/drm/i915_drm.h | 203 +++++++--- 5 files changed, 963 insertions(+), 45 deletions(-) create mode 100644 Documentation/gpu/rfc/i915_vm_bind.h create mode 100644 Documentation/gpu/rfc/i915_vm_bind.rst -- 2.21.0.rc0.32.g243a4c7e27

5 29

[PATCH] drm/sun4i: Add DMA mask and segment size
by Jernej Skrabec 17 Jun '22

17 Jun '22

Kernel occasionally complains that there is mismatch in segment size when trying to render HW decoded videos and rendering them directly with sun4i DRM driver. Fix that by setting DMA mask and segment size. Signed-off-by: Jernej Skrabec <jernej.skrabec(a)gmail.com> --- drivers/gpu/drm/sun4i/sun4i_drv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index 275f7e4a03ae..83f4e87f77f6 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -7,6 +7,7 @@ */ #include <linux/component.h> +#include <linux/dma-mapping.h> #include <linux/kfifo.h> #include <linux/module.h> #include <linux/of_graph.h> @@ -367,6 +368,9 @@ static int sun4i_drv_probe(struct platform_device *pdev) INIT_KFIFO(list.fifo); + dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + dma_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32)); + for (i = 0;; i++) { struct device_node *pipeline = of_parse_phandle(np, "allwinner,pipelines", -- 2.36.1

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[PATCH] drm/i915/guc: Check for ct enabled while waiting for response
by Zhanjun Dong 17 Jun '22

17 Jun '22

We are seeing error message of "No response for request". Some cases happened while waiting for response and reset/suspend action was triggered. In this case, no response is not an error, active requests will be cancelled. This patch will handle this condition and change the error message into debug message. Signed-off-by: Zhanjun Dong <zhanjun.dong(a)intel.com> --- drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 24 ++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c index f01325cd1b62..f07a7666b1ad 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c @@ -455,6 +455,7 @@ static int ct_write(struct intel_guc_ct *ct, /** * wait_for_ct_request_update - Wait for CT request state update. + * @ct: pointer to CT * @req: pointer to pending request * @status: placeholder for status * @@ -467,9 +468,10 @@ static int ct_write(struct intel_guc_ct *ct, * * 0 response received (status is valid) * * -ETIMEDOUT no response within hardcoded timeout */ -static int wait_for_ct_request_update(struct ct_request *req, u32 *status) +static int wait_for_ct_request_update(struct intel_guc_ct *ct, struct ct_request *req, u32 *status) { int err; + bool ct_enabled; /* * Fast commands should complete in less than 10us, so sample quickly @@ -481,12 +483,15 @@ static int wait_for_ct_request_update(struct ct_request *req, u32 *status) #define GUC_CTB_RESPONSE_TIMEOUT_SHORT_MS 10 #define GUC_CTB_RESPONSE_TIMEOUT_LONG_MS 1000 #define done \ - (FIELD_GET(GUC_HXG_MSG_0_ORIGIN, READ_ONCE(req->status)) == \ + (!(ct_enabled = intel_guc_ct_enabled(ct)) || \ + FIELD_GET(GUC_HXG_MSG_0_ORIGIN, READ_ONCE(req->status)) == \ GUC_HXG_ORIGIN_GUC) err = wait_for_us(done, GUC_CTB_RESPONSE_TIMEOUT_SHORT_MS); if (err) err = wait_for(done, GUC_CTB_RESPONSE_TIMEOUT_LONG_MS); #undef done + if (!ct_enabled) + err = -ECANCELED; *status = req->status; return err; @@ -703,11 +708,15 @@ static int ct_send(struct intel_guc_ct *ct, intel_guc_notify(ct_to_guc(ct)); - err = wait_for_ct_request_update(&request, status); + err = wait_for_ct_request_update(ct, &request, status); g2h_release_space(ct, GUC_CTB_HXG_MSG_MAX_LEN); if (unlikely(err)) { - CT_ERROR(ct, "No response for request %#x (fence %u)\n", - action[0], request.fence); + if (err == -ECANCELED) + CT_DEBUG(ct, "Request %#x (fence %u) cancelled as CTB is disabled\n", + action[0], request.fence); + else + CT_ERROR(ct, "No response for request %#x (fence %u)\n", + action[0], request.fence); goto unlink; } @@ -771,8 +780,9 @@ int intel_guc_ct_send(struct intel_guc_ct *ct, const u32 *action, u32 len, ret = ct_send(ct, action, len, response_buf, response_buf_size, &status); if (unlikely(ret < 0)) { - CT_ERROR(ct, "Sending action %#x failed (%pe) status=%#X\n", - action[0], ERR_PTR(ret), status); + if (ret != -ECANCELED) + CT_ERROR(ct, "Sending action %#x failed (%pe) status=%#X\n", + action[0], ERR_PTR(ret), status); } else if (unlikely(ret)) { CT_DEBUG(ct, "send action %#x returned %d (%#x)\n", action[0], ret, ret); -- 2.36.0

2 2

[git pull] drm fixes for 5.19-rc3
by Dave Airlie 17 Jun '22

17 Jun '22

Hi Linus, Regular drm fixes for rc3. Nothing too serious, i915, amdgpu and exynos all have a few small driver fixes, and two ttm fixes, and one compiler warning. Dave. drm-fixes-2022-06-17: drm fixes for 5.19-rc3 atomic: - fix spurious compiler warning ttm: - add NULL ptr check in swapout code - fix bulk move handling i915: - Fix page fault on error state read - Fix memory leaks in per-gt sysfs - Fix multiple fence handling - Remove accidental static from a local variable amdgpu: - Fix regression in GTT size reporting - OLED backlight fix exynos: - Check a null pointer instead of IS_ERR(). - Rework initialization code of Exynos MIC driver. The following changes since commit b13baccc3850ca8b8cccbf8ed9912dbaa0fdf7f3: Linux 5.19-rc2 (2022-06-12 16:11:37 -0700) are available in the Git repository at: git://anongit.freedesktop.org/drm/drm tags/drm-fixes-2022-06-17 for you to fetch changes up to 65cf7c02cfc7c36a3e86f3da5818dabc32c270ff: Merge tag 'exynos-drm-fixes-v5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes (2022-06-17 11:32:35 +1000) ---------------------------------------------------------------- drm fixes for 5.19-rc3 atomic: - fix spurious compiler warning ttm: - add NULL ptr check in swapout code - fix bulk move handling i915: - Fix page fault on error state read - Fix memory leaks in per-gt sysfs - Fix multiple fence handling - Remove accidental static from a local variable amdgpu: - Fix regression in GTT size reporting - OLED backlight fix exynos: - Check a null pointer instead of IS_ERR(). - Rework initialization code of Exynos MIC driver. ---------------------------------------------------------------- Alan Previn (1): drm/i915/reset: Fix error_state_read ptr + offset use Ashutosh Dixit (1): drm/i915/gt: Fix memory leaks in per-gt sysfs Christian König (2): drm/ttm: fix missing NULL check in ttm_device_swapout drm/ttm: fix bulk move handling v2 Dan Carpenter (1): drm/exynos: fix IS_ERR() vs NULL check in probe Dave Airlie (4): Merge tag 'drm-misc-fixes-2022-06-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes Merge tag 'drm-intel-fixes-2022-06-16' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes Merge tag 'amd-drm-fixes-5.19-2022-06-15' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes Merge tag 'exynos-drm-fixes-v5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes GONG, Ruiqi (1): drm/atomic: fix warning of unused variable Jani Nikula (1): drm/i915/uc: remove accidental static from a local variable Marek Szyprowski (1): drm/exynos: mic: Rework initialization Michel Dänzer (1): drm/amdgpu: Fix GTT size reporting in amdgpu_ioctl Nirmoy Das (1): drm/i915: Individualize fences before adding to dma_resv obj Roman Li (1): drm/amd/display: Cap OLED brightness per max frame-average luminance drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 2 - drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 8 ++-- drivers/gpu/drm/exynos/exynos_drm_drv.c | 6 +-- drivers/gpu/drm/exynos/exynos_drm_mic.c | 42 ++++++------------ drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 3 +- drivers/gpu/drm/i915/gt/intel_gt.c | 1 + drivers/gpu/drm/i915/gt/intel_gt_sysfs.c | 29 ++++++------- drivers/gpu/drm/i915/gt/intel_gt_sysfs.h | 6 +-- drivers/gpu/drm/i915/gt/intel_gt_types.h | 3 ++ drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c | 2 +- drivers/gpu/drm/i915/i915_sysfs.c | 17 ++++++-- drivers/gpu/drm/i915/i915_vma.c | 48 ++++++++++++--------- drivers/gpu/drm/ttm/ttm_bo.c | 22 ++++++---- drivers/gpu/drm/ttm/ttm_device.c | 6 ++- drivers/gpu/drm/ttm/ttm_resource.c | 52 ++++++++++++++++------- include/drm/drm_atomic.h | 1 + include/drm/ttm/ttm_resource.h | 8 ++-- 17 files changed, 141 insertions(+), 115 deletions(-)

2 1

[PATCH 0/2] dt-bindings: List supplies needed for sc7280 eDP
by Douglas Anderson 17 Jun '22

17 Jun '22

While looking through dts changes for sc7280 eDP I found that none of the regulators that were being defined were listed in the bindings. That being said, the current Linux drivers _were_ looking for regulators. This series tries to document the reality to the best of my ability. If someone from Qualcomm has better documentation than I do and wants to correct anything here then I'd be more than happy. For the PHY patch especially I don't have a great way to map what I see in datasheets / schematics to figure out which is the supply for the "phy" and the "pll". Assuming these look OK, I'd expect the PHY patch to land through the PHY tree and the display patch to land through msm-next. I can split the series up if need be--the two patches are just in one series because they have a similar topic--there are no actual dependencies here. Douglas Anderson (2): dt-bindings: msm/dp: List supplies in the bindings dt-bindings: phy: List supplies for qcom,edp-phy .../devicetree/bindings/display/msm/dp-controller.yaml | 6 ++++++ Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml | 6 ++++++ 2 files changed, 12 insertions(+) -- 2.36.0.rc2.479.g8af0fa9b8e-goog

6 13

[PATCH v9] drm/msm/dp: force link training for display resolution change
by Kuogee Hsieh 16 Jun '22

16 Jun '22

Display resolution change is implemented through drm modeset. Older modeset (resolution) has to be disabled first before newer modeset (resolution) can be enabled. Display disable will turn off both pixel clock and main link clock so that main link have to be re-trained during display enable to have new video stream flow again. At current implementation, display enable function manually kicks up irq_hpd_handle which will read panel link status and start link training if link status is not in sync state. However, there is rare case that a particular panel links status keep staying in sync for some period of time after main link had been shut down previously at display disabled. In this case, main link retraining will not be executed by irq_hdp_handle(). Hence video stream of newer display resolution will fail to be transmitted to panel due to main link is not in sync between host and panel. This patch will bypass irq_hpd_handle() in favor of directly call dp_ctrl_on_stream() to always perform link training in regardless of main link status. So that no unexpected exception resolution change failure cases will happen. Also this implementation are more efficient than manual kicking off irq_hpd_handle function. Changes in v2: -- set force_link_train flag on DP only (is_edp == false) Changes in v3: -- revise commit text -- add Fixes tag Changes in v4: -- revise commit text Changes in v5: -- fix spelling at commit text Changes in v6: -- split dp_ctrl_on_stream() for phy test case -- revise commit text for modeset Changes in v7: -- drop 0 assignment at local variable (ret = 0) Changes in v8: -- add patch to remove pixel_rate from dp_ctrl Changes in v9: -- forward declare dp_ctrl_on_stream_phy_test_report() Fixes: 62671d2ef24b ("drm/msm/dp: fixes wrong connection state caused by failure of link train") Signed-off-by: Kuogee Hsieh <quic_khsieh(a)quicinc.com> --- drivers/gpu/drm/msm/dp/dp_ctrl.c | 33 +++++++++++++++++++++++++-------- drivers/gpu/drm/msm/dp/dp_ctrl.h | 2 +- drivers/gpu/drm/msm/dp/dp_display.c | 13 ++++++------- 3 files changed, 32 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index af7a80c..f090945 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -1528,6 +1528,8 @@ static int dp_ctrl_link_maintenance(struct dp_ctrl_private *ctrl) return ret; } +static int dp_ctrl_on_stream_phy_test_report(struct dp_ctrl *dp_ctrl); + static int dp_ctrl_process_phy_test_request(struct dp_ctrl_private *ctrl) { int ret = 0; @@ -1551,7 +1553,7 @@ static int dp_ctrl_process_phy_test_request(struct dp_ctrl_private *ctrl) ret = dp_ctrl_on_link(&ctrl->dp_ctrl); if (!ret) - ret = dp_ctrl_on_stream(&ctrl->dp_ctrl); + ret = dp_ctrl_on_stream_phy_test_report(&ctrl->dp_ctrl); else DRM_ERROR("failed to enable DP link controller\n"); @@ -1807,7 +1809,27 @@ static int dp_ctrl_link_retrain(struct dp_ctrl_private *ctrl) return dp_ctrl_setup_main_link(ctrl, &training_step); } -int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl) +static int dp_ctrl_on_stream_phy_test_report(struct dp_ctrl *dp_ctrl) +{ + int ret; + struct dp_ctrl_private *ctrl; + + ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl); + + ctrl->dp_ctrl.pixel_rate = ctrl->panel->dp_mode.drm_mode.clock; + + ret = dp_ctrl_enable_stream_clocks(ctrl); + if (ret) { + DRM_ERROR("Failed to start pixel clocks. ret=%d\n", ret); + return ret; + } + + dp_ctrl_send_phy_test_pattern(ctrl); + + return 0; +} + +int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl, bool force_link_train) { int ret = 0; bool mainlink_ready = false; @@ -1843,12 +1865,7 @@ int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl) goto end; } - if (ctrl->link->sink_request & DP_TEST_LINK_PHY_TEST_PATTERN) { - dp_ctrl_send_phy_test_pattern(ctrl); - return 0; - } - - if (!dp_ctrl_channel_eq_ok(ctrl)) + if (force_link_train || !dp_ctrl_channel_eq_ok(ctrl)) dp_ctrl_link_retrain(ctrl); /* stop txing train pattern to end link training */ diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.h b/drivers/gpu/drm/msm/dp/dp_ctrl.h index 0745fde..b563e2e 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.h +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.h @@ -21,7 +21,7 @@ struct dp_ctrl { }; int dp_ctrl_on_link(struct dp_ctrl *dp_ctrl); -int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl); +int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl, bool force_link_train); int dp_ctrl_off_link_stream(struct dp_ctrl *dp_ctrl); int dp_ctrl_off_link(struct dp_ctrl *dp_ctrl); int dp_ctrl_off(struct dp_ctrl *dp_ctrl); diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index c388323..b6d25ab 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -872,7 +872,7 @@ static int dp_display_enable(struct dp_display_private *dp, u32 data) return 0; } - rc = dp_ctrl_on_stream(dp->ctrl); + rc = dp_ctrl_on_stream(dp->ctrl, data); if (!rc) dp_display->power_on = true; @@ -1654,6 +1654,7 @@ void dp_bridge_enable(struct drm_bridge *drm_bridge) int rc = 0; struct dp_display_private *dp_display; u32 state; + bool force_link_train = false; dp_display = container_of(dp, struct dp_display_private, dp_display); if (!dp_display->dp_mode.drm_mode.clock) { @@ -1688,10 +1689,12 @@ void dp_bridge_enable(struct drm_bridge *drm_bridge) state = dp_display->hpd_state; - if (state == ST_DISPLAY_OFF) + if (state == ST_DISPLAY_OFF) { dp_display_host_phy_init(dp_display); + force_link_train = true; + } - dp_display_enable(dp_display, 0); + dp_display_enable(dp_display, force_link_train); rc = dp_display_post_enable(dp); if (rc) { @@ -1700,10 +1703,6 @@ void dp_bridge_enable(struct drm_bridge *drm_bridge) dp_display_unprepare(dp); } - /* manual kick off plug event to train link */ - if (state == ST_DISPLAY_OFF) - dp_add_event(dp_display, EV_IRQ_HPD_INT, 0, 0); - /* completed connection */ dp_display->hpd_state = ST_CONNECTED; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project

2 1

[PATCH 5/5] drm/nouveau: Fix spelling typo in comments
by 1064094935＠qq.com 16 Jun '22

16 Jun '22

From: pengfuyuan <pengfuyuan(a)kylinos.cn> Fix spelling typo in comments. Reported-by: k2ci <kernel-bot(a)kylinos.cn> Signed-off-by: pengfuyuan <pengfuyuan(a)kylinos.cn> --- drivers/gpu/drm/nouveau/include/nvhw/drf.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/nouveau/include/nvhw/drf.h b/drivers/gpu/drm/nouveau/include/nvhw/drf.h index bd0fc41446e2..d6969c0e2f29 100644 --- a/drivers/gpu/drm/nouveau/include/nvhw/drf.h +++ b/drivers/gpu/drm/nouveau/include/nvhw/drf.h @@ -190,7 +190,7 @@ #define DRF_MD_(X,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,IMPL,...) IMPL #define DRF_MD(A...) DRF_MD_(X, ##A, DRF_MD_I, DRF_MD_N)(X, ##A) -/* Helper for testing against field value in aribtrary object */ +/* Helper for testing against field value in arbitrary object */ #define DRF_TV_N(X,e,p,o,d,r, f,cmp,v) \ NVVAL_TEST_X(DRF_RD_X(e, (p), (o), d##_##r ), d##_##r##_##f, cmp, (v)) #define DRF_TV_I(X,e,p,o,d,r,i,f,cmp,v) \ @@ -198,7 +198,7 @@ #define DRF_TV_(X,_1,_2,_3,_4,_5,_6,_7,_8,_9,IMPL,...) IMPL #define DRF_TV(A...) DRF_TV_(X, ##A, DRF_TV_I, DRF_TV_N)(X, ##A) -/* Helper for testing against field definition in aribtrary object */ +/* Helper for testing against field definition in arbitrary object */ #define DRF_TD_N(X,e,p,o,d,r, f,cmp,v) \ NVVAL_TEST_X(DRF_RD_X(e, (p), (o), d##_##r ), d##_##r##_##f, cmp, d##_##r##_##f##_##v) #define DRF_TD_I(X,e,p,o,d,r,i,f,cmp,v) \ -- 2.25.1 No virus found Checked by Hillstone Network AntiVirus

3 3

[PATCH] drm/nouveau: Fix spelling typo in comments
by 1064094935＠qq.com 16 Jun '22

16 Jun '22

2 1

[PATCH v2 1/3] drm/msm/mdp4: convert to drm_crtc_handle_vblank()
by Dmitry Baryshkov 16 Jun '22

16 Jun '22

Stop using deprecated drm_handle_vblank(), use drm_crtc_handle_vblank() instead. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov(a)linaro.org> --- drivers/gpu/drm/msm/disp/mdp4/mdp4_irq.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_irq.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_irq.c index 4d49f3ba6a96..ddcdd5e87853 100644 --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_irq.c +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_irq.c @@ -69,8 +69,7 @@ irqreturn_t mdp4_irq(struct msm_kms *kms) struct mdp_kms *mdp_kms = to_mdp_kms(kms); struct mdp4_kms *mdp4_kms = to_mdp4_kms(mdp_kms); struct drm_device *dev = mdp4_kms->dev; - struct msm_drm_private *priv = dev->dev_private; - unsigned int id; + struct drm_crtc *crtc; uint32_t status, enable; enable = mdp4_read(mdp4_kms, REG_MDP4_INTR_ENABLE); @@ -81,9 +80,9 @@ irqreturn_t mdp4_irq(struct msm_kms *kms) mdp_dispatch_irqs(mdp_kms, status); - for (id = 0; id < priv->num_crtcs; id++) - if (status & mdp4_crtc_vblank(priv->crtcs[id])) - drm_handle_vblank(dev, id); + drm_for_each_crtc(crtc, dev) + if (status & mdp4_crtc_vblank(crtc)) + drm_crtc_handle_vblank(crtc); return IRQ_HANDLED; } -- 2.35.1

2 5

Re: ✗ Fi.CI.IGT: failure for drm/dp/mst: Read the extended DPCD capabilities during system resume
by Imre Deak 16 Jun '22

16 Jun '22

2 2

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dri-devel June 2022