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Code Issues Releases Wiki Activity

drm/amd/display: Fix hangs with psr enabled on dcn3.xx 

[Why]
SKIP_CRTC_DISABLE bit should be applicable to all dcn asics
not only Raven.

[How]
Replace check for Raven only with check for all DCNs.

Signed-off-by: Roman Li <Roman.Li@amd.com>
Acked-by: Bindu Ramamurthy <bindur12@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roman Li 2021-03-31 16:50:44 -04:00 committed by Alex Deucher
parent e922057b55
commit 2ff3cf8238
1 changed files with 1 additions and 4 deletions
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5
drivers/gpu/drm/amd/display/dc/core/dc_link.c
View File

@ -2813,12 +2813,9 @@ bool dc_link_setup_psr(struct dc_link *link,
psr_context->psr_level.u32all = 0;
#if defined(CONFIG_DRM_AMD_DC_DCN)
/*skip power down the single pipe since it blocks the cstate*/
if ((link->ctx->asic_id.chip_family == FAMILY_RV) &&
ASICREV_IS_RAVEN(link->ctx->asic_id.hw_internal_rev))
if (link->ctx->asic_id.chip_family >= FAMILY_RV)
psr_context->psr_level.bits.SKIP_CRTC_DISABLE = true;
#endif
/* SMU will perform additional powerdown sequence.
* For unsupported ASICs, set psr_level flag to skip PSR