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authorAlvin Lee <alvin.lee2@amd.com>2024-06-20 15:11:38 -0400
committerAlex Deucher <alexander.deucher@amd.com>2024-07-01 16:50:02 -0400
commit074b3a886713f69d98d30bb348b1e4cb3ce52b22 (patch)
tree2a66d6183acbd73bd3bed5571ff8a2833bedbdd4
parent74ad26b36d303ac233eccadc5c3a8d7ee4709f31 (diff)
drm/amd/display: Account for cursor prefetch BW in DML1 mode support
[Description] We need to ensure to take into account cursor prefetch BW in mode support or we may pass ModeQuery but fail an actual flip which will cause a hang. Flip may fail because the cursor_pre_bw is populated during mode programming (and mode programming is never called prior to ModeQuery). Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com> Reviewed-by: Nevenko Stupar <nevenko.stupar@amd.com> Signed-off-by: Jerry Zuo <jerry.zuo@amd.com> Signed-off-by: Alvin Lee <alvin.lee2@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
index 6c84b0fa40f44..0782a34689a00 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
@@ -3364,6 +3364,9 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
&mode_lib->vba.UrgentBurstFactorLumaPre[k],
&mode_lib->vba.UrgentBurstFactorChromaPre[k],
&mode_lib->vba.NotUrgentLatencyHidingPre[k]);
+
+ v->cursor_bw_pre[k] = mode_lib->vba.NumberOfCursors[k] * mode_lib->vba.CursorWidth[k][0] * mode_lib->vba.CursorBPP[k][0] /
+ 8.0 / (mode_lib->vba.HTotal[k] / mode_lib->vba.PixelClock[k]) * v->VRatioPreY[i][j][k];
}
{