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| author | hersen wu <hersenxs.wu@amd.com> | 2022-05-29 10:54:30 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-06-14 21:38:40 -0400 |
| commit | 71be4b16d39ac8b25a8a04eda66cb65581e1a03c (patch) | |
| tree | 1c667695f27bab6263f2b0e322b70aa1808191a2 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | b840b64bc8ed3fc46f6d6aa7f97c43862a33bea5 (diff) | |
drm/amd/display: dsc validate fail not pass to atomic check
[Why] when 4k@144hz dp connect to dp1.4 dsc mst hub, requested
bandwidth exceeds caps of dsc hub. but dsc bw valid functions,
increase_dsc_bpp, try_disable_dsc, pre_validate_dsc,
compute_mst_dsc_configs_for_state, do not return false to
atomic check. this cause user mode initiate mode set to kernel,
then cause kernel assert, system hang.
[How] dsc bandwidth valid functions return pass or fail to atomic
check.
Reviewed-by: Wayne Lin <Wayne.Lin@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
0 files changed, 0 insertions, 0 deletions