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drm/amd/display: explicitly disable psr_feature_enable appropriately

Browse source 
commit 6094b9136c upstream.

[Why]
If psr_feature_enable is set to true by default, it continues to be enabled
for non capable links.

[How]
explicitly disable the feature on links that are not capable of the same.

Fixes: 8c322309e4 ("drm/amd/display: Enable PSR")
Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.15+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shirish S 2022-10-07 20:31:49 +05:30 committed by Greg Kroah-Hartman
parent 6f377e9aff
commit 4370ef7974
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
View file

@ -60,11 +60,15 @@ static bool link_supports_psrsu(struct dc_link *link)
*/
void amdgpu_dm_set_psr_caps(struct dc_link *link)
{
if (!(link->connector_signal & SIGNAL_TYPE_EDP))
if (!(link->connector_signal & SIGNAL_TYPE_EDP)) {
link->psr_settings.psr_feature_enabled = false;
return;
}
if (link->type == dc_connection_none)
if (link->type == dc_connection_none) {
link->psr_settings.psr_feature_enabled = false;
return;
}
if (link->dpcd_caps.psr_info.psr_version == 0) {
link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;