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authorYihan Zhu <Yihan.Zhu@amd.com>2024-08-26 14:44:04 -0400
committerAlex Deucher <alexander.deucher@amd.com>2024-09-18 16:15:07 -0400
commitf57b77d667dc6bd2b114d08d04b03869539209f6 (patch)
treecbd3e06041ca3062e2f06e811ec7e6b47d3c358e /drivers/gpu
parent5a3d3e11349c2e298c0b6b4d37c8241f44d37e3d (diff)
drm/amd/display: Enable DML2 override_det_buffer_size_kbytes
[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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c1
-rw-r--r--drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
index 46ad684fe192..893a9d9ee870 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn35/dcn35_resource.c
@@ -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*/
diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
index 4c5e722baa3a..514c6d56925d 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn351/dcn351_resource.c
@@ -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*/