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drm/amd/display: Check for PSR in no memory request case

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[Why]
When we have a PSR display, we will not be requesting data from memory anymore.
So we report back true for no memory request case.

[How]
Check for PSR by checking PSR version in link settings

Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Signed-off-by: Samson Tam <Samson.Tam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Samson Tam 2022-11-29 18:12:33 -05:00 committed by Alex Deucher
parent bad3a066a4
commit 46604a08c1
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
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@ -188,7 +188,8 @@ static bool dcn32_check_no_memory_request_for_cab(struct dc *dc)
/* First, check no-memory-request case */
for (i = 0; i < dc->current_state->stream_count; i++) {
if (dc->current_state->stream_status[i].plane_count)
if ((dc->current_state->stream_status[i].plane_count) &&
(dc->current_state->streams[i]->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED))
/* Fail eligibility on a visible stream */
break;
}