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drm/amd/display: Enable DML2 override_det_buffer_size_kbytes

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[WHY]
Corrupted screen will be observed when 4k144 DP/HDMI display and
4k144 eDP are connected, changing eDP refresh rate from 60Hz to 144Hz.

[HOW]
override_det_buffer_size_kbytes should be true for DCN35/DCN351.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Roman Li <roman.li@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Yihan Zhu <Yihan.Zhu@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yihan Zhu
2024-08-26 14:44:04 -04:00
committed by Alex Deucher
parent 5a3d3e1134
commit f57b77d667
2 changed files with 2 additions and 0 deletions
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drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
+1
View File
@@ -2155,6 +2155,7 @@ static bool dcn35_resource_construct(
dc->dml2_options.max_segments_per_hubp = 24;
dc->dml2_options.det_segment_size = DCN3_2_DET_SEG_SIZE;/*todo*/
dc->dml2_options.override_det_buffer_size_kbytes = true;
if (dc->config.sdpif_request_limit_words_per_umc == 0)
dc->config.sdpif_request_limit_words_per_umc = 16;/*todo*/
drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
+1
View File
@@ -2133,6 +2133,7 @@ static bool dcn351_resource_construct(
dc->dml2_options.max_segments_per_hubp = 24;
dc->dml2_options.det_segment_size = DCN3_2_DET_SEG_SIZE;/*todo*/
dc->dml2_options.override_det_buffer_size_kbytes = true;
if (dc->config.sdpif_request_limit_words_per_umc == 0)
dc->config.sdpif_request_limit_words_per_umc = 16;/*todo*/