diff mbox series

[6.0,198/862] drm/amd/display: explicitly disable psr_feature_enable appropriately

Message ID 20221019083258.748901590@linuxfoundation.org
State New
Headers
Series None |

Commit Message

Greg KH Oct. 19, 2022, 8:24 a.m. UTC 
  From: Shirish S <shirish.s@amd.com>

commit 6094b9136ca9038b61e9c4b5d25cd5512ce50b34 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: 8c322309e48e9 ("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>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
diff mbox series

Patch

--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
@@ -60,11 +60,15 @@  static bool link_supports_psrsu(struct d
  */
 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;