bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-25 10:02:31 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Add DML2.1 option to disable DRR clamped P-State Strategies

Browse Source 
[WHY & HOW]
When DRR is active with variable refresh rate, add the ability to block DRR
clamped P-State strategies (such as SubVP).

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dillon Varone
2024-07-25 14:18:10 -04:00
committed by Alex Deucher
parent e80f8f491d
commit a0fcd3df45
4 changed files with 10 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn4_fams2.c
View File

@@ -1441,8 +1441,11 @@ static bool stream_matches_drr_policy(struct dml2_pmo_instance *pmo,
strategy_matches_drr_requirements = false;
} else if (is_bit_set_in_bitfield(PMO_DRR_CLAMPED_STRATEGY_MASK, stream_pstate_method) &&
(pmo->options->disable_drr_clamped ||
!stream_descriptor->timing.drr_config.enabled ||
(!stream_descriptor->timing.drr_config.drr_active_fixed && !stream_descriptor->timing.drr_config.drr_active_variable))) {
(!stream_descriptor->timing.drr_config.enabled ||
(!stream_descriptor->timing.drr_config.drr_active_fixed && !stream_descriptor->timing.drr_config.drr_active_variable)) ||
(pmo->options->disable_drr_clamped_when_var_active &&
stream_descriptor->timing.drr_config.enabled &&
stream_descriptor->timing.drr_config.drr_active_variable))) {
/* DRR fixed strategies are disallowed due to settings or policy */
strategy_matches_drr_requirements = false;
} else if (is_bit_set_in_bitfield(PMO_FW_STRATEGY_MASK, stream_pstate_method) &&