Message ID | 20240226-fd-dpu-debug-timeout-v4-0-51eec83dde23@linaro.org |
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Series |
drm/msm/dpu: debug commit_done timeouts
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Message
Dmitry Baryshkov
Feb. 26, 2024, 2:27 a.m. UTC
In order to debug commit_done timeouts ([1]) display the sticky bits of
the CTL_FLUSH register and capture the devcore dump when the first such
timeout occurs.
[1] https://gitlab.freedesktop.org/drm/msm/-/issues/33
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
Changes in v4:
- Reworded documentation for new funcsions (Abhinav)
- Link to v3: https://lore.kernel.org/r/20240225-fd-dpu-debug-timeout-v3-0-252f2b21cdcc@linaro.org
Changes in v3:
- Capture the snapshot only on the first comit_done timeout (Abhinav)
- Link to v2: https://lore.kernel.org/r/20240208-fd-dpu-debug-timeout-v2-1-9f907f1bdd87@linaro.org
Changes in v2:
- Added a call to msm_disp_snapshot_state() to trigger devcore dump
(Abhinav)
- Link to v1: https://lore.kernel.org/r/20240106-fd-dpu-debug-timeout-v1-1-6d9762884641@linaro.org
---
Dmitry Baryshkov (3):
drm/msm/dpu: make "vblank timeout" more useful
drm/msm/dpu: split dpu_encoder_wait_for_event into two functions
drm/msm/dpu: capture snapshot on the first commit_done timeout
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 79 ++++++++++++++++------
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 22 +-----
.../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 2 +-
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 2 +-
drivers/gpu/drm/msm/msm_drv.h | 10 ---
5 files changed, 65 insertions(+), 50 deletions(-)
---
base-commit: 33e1d31873f87d119e5120b88cd350efa68ef276
change-id: 20240106-fd-dpu-debug-timeout-e917f0bc8063
Best regards,