kernel.git/drivers/gpu/drm/msm, branch linux-6.2.y

drm/msm/adreno: adreno_gpu: Use suspend() instead of idle() on load error

2023-05-17T11:59:08Z

commit 3eeca5e5f3100435b06a5b5d86daa3d135a8a4bd upstream. The adreno_load_gpu() path is guarded by an error check on adreno_load_fw(). This function is responsible for loading Qualcomm-only-signed binaries (e.g. SQE and GMU FW for A6XX), but it does not take the vendor-signed ZAP blob into account. By embedding the SQE (and GMU, if necessary) firmware into the initrd/kernel, we can trigger and unfortunate path that would not bail out early and proceed with gpu->hw_init(). That will fail, as the ZAP loader path will not find the firmware and return back to adreno_load_gpu(). This error path involves pm_runtime_put_sync() which then calls idle() instead of suspend(). This is suboptimal, as it means that we're not going through the clean shutdown sequence. With at least A619_holi, this makes the GPU not wake up until it goes through at least one more start-fail-stop cycle. The pm_runtime_put_sync that appears in the error path actually does not guarantee that because of the earlier enabling of runtime autosuspend. Fix that by using pm_runtime_put_sync_suspend to force a clean shutdown. Test cases: 1. All firmware baked into kernel 2. error loading ZAP fw in initrd -> load from rootfs at DE start Both succeed on A619_holi (SM6375) and A630 (SDM845). Fixes: 0d997f95b70f ("drm/msm/adreno: fix runtime PM imbalance at gpu load") Signed-off-by: Konrad Dybcio Reviewed-by: Johan Hovold Patchwork: https://patchwork.freedesktop.org/patch/530001/ Link: https://lore.kernel.org/r/20230330231517.2747024-1-konrad.dybcio@linaro.org Signed-off-by: Rob Clark Signed-off-by: Greg Kroah-Hartman

drm/msm: fix workqueue leak on bind errors

2023-05-17T11:59:03Z

commit a75b49db6529b2af049eafd938fae888451c3685 upstream. Make sure to destroy the workqueue also in case of early errors during bind (e.g. a subcomponent failing to bind). Since commit c3b790ea07a1 ("drm: Manage drm_mode_config_init with drmm_") the mode config will be freed when the drm device is released also when using the legacy interface, but add an explicit cleanup for consistency and to facilitate backporting. Fixes: 060530f1ea67 ("drm/msm: use componentised device support") Cc: stable@vger.kernel.org # 3.15 Cc: Rob Clark Signed-off-by: Johan Hovold Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/525093/ Link: https://lore.kernel.org/r/20230306100722.28485-9-johan+linaro@kernel.org Signed-off-by: Dmitry Baryshkov Signed-off-by: Greg Kroah-Hartman

drm/msm: fix missing wq allocation error handling

2023-05-17T11:59:03Z

commit ca090c837b430752038b24e56dd182010d77f6f6 upstream. Add the missing sanity check to handle workqueue allocation failures. Fixes: c8afe684c95c ("drm/msm: basic KMS driver for snapdragon") Cc: stable@vger.kernel.org # 3.12 Cc: Rob Clark Signed-off-by: Johan Hovold Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/525102/ Link: https://lore.kernel.org/r/20230306100722.28485-8-johan+linaro@kernel.org Signed-off-by: Dmitry Baryshkov Signed-off-by: Greg Kroah-Hartman

drm/msm: fix vram leak on bind errors

2023-05-17T11:59:03Z

commit 60d476af96015891c7959f30838ae7a9749932bf upstream. Make sure to release the VRAM buffer also in a case a subcomponent fails to bind. Fixes: d863f0c7b536 ("drm/msm: Call msm_init_vram before binding the gpu") Cc: stable@vger.kernel.org # 5.11 Cc: Craig Tatlor Signed-off-by: Johan Hovold Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/525094/ Link: https://lore.kernel.org/r/20230306100722.28485-7-johan+linaro@kernel.org Signed-off-by: Dmitry Baryshkov Signed-off-by: Greg Kroah-Hartman

drm/msm: fix drm device leak on bind errors

2023-05-17T11:59:03Z

commit 214b09db61978497df24efcb3959616814bca46b upstream. Make sure to free the DRM device also in case of early errors during bind(). Fixes: 2027e5b3413d ("drm/msm: Initialize MDSS irq domain at probe time") Cc: stable@vger.kernel.org # 5.17 Cc: Dmitry Baryshkov Signed-off-by: Johan Hovold Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/525097/ Link: https://lore.kernel.org/r/20230306100722.28485-6-johan+linaro@kernel.org Signed-off-by: Dmitry Baryshkov Signed-off-by: Greg Kroah-Hartman

drm/msm: fix NULL-deref on irq uninstall

2023-05-17T11:59:03Z

commit cd459c005de3e2b855a8cc7768e633ce9d018e9f upstream. In case of early initialisation errors and on platforms that do not use the DPU controller, the deinitilisation code can be called with the kms pointer set to NULL. Fixes: f026e431cf86 ("drm/msm: Convert to Linux IRQ interfaces") Cc: stable@vger.kernel.org # 5.14 Cc: Thomas Zimmermann Signed-off-by: Johan Hovold Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/525104/ Link: https://lore.kernel.org/r/20230306100722.28485-5-johan+linaro@kernel.org Signed-off-by: Dmitry Baryshkov Signed-off-by: Greg Kroah-Hartman

drm/msm: fix NULL-deref on snapshot tear down

2023-05-17T11:59:02Z

commit a465353b9250802f87b97123e33a17f51277f0b1 upstream. In case of early initialisation errors and on platforms that do not use the DPU controller, the deinitilisation code can be called with the kms pointer set to NULL. Fixes: 98659487b845 ("drm/msm: add support to take dpu snapshot") Cc: stable@vger.kernel.org # 5.14 Cc: Abhinav Kumar Signed-off-by: Johan Hovold Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/525099/ Link: https://lore.kernel.org/r/20230306100722.28485-4-johan+linaro@kernel.org Signed-off-by: Dmitry Baryshkov Signed-off-by: Greg Kroah-Hartman

drm/msm/adreno: fix runtime PM imbalance at gpu load

2023-05-17T11:59:02Z

commit 0d997f95b70f98987ae031a89677c13e0e223670 upstream. A recent commit moved enabling of runtime PM to GPU load time (first open()) but failed to update the error paths so that runtime PM is disabled if initialisation of the GPU fails. This would trigger a warning about the unbalanced disable count on the next open() attempt. Note that pm_runtime_put_noidle() is sufficient to balance the usage count when pm_runtime_put_sync() fails (and is chosen over pm_runtime_resume_and_get() for consistency reasons). Fixes: 4b18299b3365 ("drm/msm/adreno: Defer enabling runpm until hw_init()") Cc: stable@vger.kernel.org # 6.0 Signed-off-by: Johan Hovold Patchwork: https://patchwork.freedesktop.org/patch/524971/ Link: https://lore.kernel.org/r/20230303164807.13124-3-johan+linaro@kernel.org Signed-off-by: Rob Clark Signed-off-by: Greg Kroah-Hartman

drm: msm: adreno: Disable preemption on Adreno 510

2023-05-11T14:11:00Z

[ Upstream commit 010c8bbad2cb8c33c47963e29f051f1e917e45a5 ] Downstream driver appears to not support preemption on A510 target, trying to use one make device slow and fill log with rings related errors. Set num_rings to 1 to disable preemption. Suggested-by: Dmitry Baryshkov Fixes: e20c9284c8f2 ("drm/msm/adreno: Add support for Adreno 510 GPU") Signed-off-by: Adam Skladowski Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/526898/ Link: https://lore.kernel.org/r/20230314221757.13096-1-a39.skl@gmail.com Signed-off-by: Rob Clark Signed-off-by: Sasha Levin

drm/msm/adreno: drop bogus pm_runtime_set_active()

2023-05-11T14:11:00Z

[ Upstream commit db7662d076c973072d788bd0e8130e04430307a1 ] The runtime PM status can only be updated while runtime PM is disabled. Drop the bogus pm_runtime_set_active() call that was made after enabling runtime PM and which (incidentally but correctly) left the runtime PM status set to 'suspended'. Fixes: 2c087a336676 ("drm/msm/adreno: Load the firmware before bringing up the hardware") Signed-off-by: Johan Hovold Patchwork: https://patchwork.freedesktop.org/patch/524972/ Link: https://lore.kernel.org/r/20230303164807.13124-4-johan+linaro@kernel.org Signed-off-by: Rob Clark Signed-off-by: Sasha Levin