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| author | Jessica Zhang <quic_jesszhan@quicinc.com> | 2025-02-14 16:14:29 -0800 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2025-03-05 04:34:12 +0200 |
| commit | f1f0379e9dd5ab0cd2088b717efed27ed51de631 (patch) | |
| tree | ce4a5671addf2614a405e084a6f194dfe371ebb3 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 20972609d12ca677b8ecf576c632bfc3cfa369b5 (diff) | |
drm/msm/dpu: Fail atomic_check if multiple outputs request CDM block
Currently, our hardware only supports a single output using CDM block at
most. Because of this, we cannot support cases where both writeback and DP
output request CDM simultaneously
To avoid this happening when CWB is enabled, change
msm_display_topoloy.needs_cdm into a num_cdm counter to track how many
outputs are requesting CDM block. Return EINVAL if multiple outputs are
trying to reserve CDM.
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/637499/
Link: https://lore.kernel.org/r/20250214-concurrent-wb-v6-6-a44c293cf422@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions