diff options
| author | muansari <muansari@amd.com> | 2022-09-01 13:21:52 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-09-19 15:16:19 -0400 |
| commit | 9680810f91f2591b16b76f73d1e0d49af874be0a (patch) | |
| tree | 9a11061a0f693fd0e4aedac1ebed1f0bc70bd305 /drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c | |
| parent | drm/amd/display: Disable OTG WA for the plane_state NULL case on DCN314 (diff) | |
| download | linux-9680810f91f2591b16b76f73d1e0d49af874be0a.tar.gz linux-9680810f91f2591b16b76f73d1e0d49af874be0a.zip | |
drm/amd/display: Modify DML to adjust Vstartup Position
[WHY]
The Vstartup position should be as late as possible to
maximize power saving with the current. Calculation of
Vstartup in DML does not take into account as SDP signal.
[HOW]
Made necessary changes to calculate the correct Vstartup
position in DML to account for AS SDP
* Overriding the VBlankNom value in certain cases
otherwise it will use the default value
* Bypassing the condition for adjust_sync_Vstartup
* Overriding vblank_nom_input with VBlankNom that is
set in the SW Layer
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: muansari <muansari@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/display/dc/dml/display_mode_vba.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c index 503e7d984ff0..03924aed8d5c 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c +++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c @@ -597,6 +597,7 @@ static void fetch_pipe_params(struct display_mode_lib *mode_lib) mode_lib->vba.HTotal[mode_lib->vba.NumberOfActivePlanes] = dst->htotal; mode_lib->vba.VTotal[mode_lib->vba.NumberOfActivePlanes] = dst->vtotal; mode_lib->vba.VFrontPorch[mode_lib->vba.NumberOfActivePlanes] = dst->vfront_porch; + mode_lib->vba.VBlankNom[mode_lib->vba.NumberOfActivePlanes] = dst->vblank_nom; mode_lib->vba.DCCFractionOfZeroSizeRequestsLuma[mode_lib->vba.NumberOfActivePlanes] = src->dcc_fraction_of_zs_req_luma; mode_lib->vba.DCCFractionOfZeroSizeRequestsChroma[mode_lib->vba.NumberOfActivePlanes] = src->dcc_fraction_of_zs_req_chroma; mode_lib->vba.DCCEnable[mode_lib->vba.NumberOfActivePlanes] = |