From: Mario Limonciello Date: Tue, 3 Jun 2025 04:50:31 +0000 (-0500) Subject: drm/amd/display: Disable common modes for eDP X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7948afb46af925830e1541ec33644ba8eecb15ed;p=thirdparty%2Fkernel%2Flinux.git drm/amd/display: Disable common modes for eDP [Why] Common modes are added to eDP for compatibility in clone mode, but not all panels support them. Non-native modes were disabled in the past but this caused problems because compositors didn't use scaling for non native modes. Now non-native modes on eDP will enable the scaler by default. [How] Check the connector type. If the connector is eDP avoid adding common modes. Reviewed-by: Roman Li Signed-off-by: Mario Limonciello Signed-off-by: Aurabindo Pillai Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 12cbfd7ffbc7e..3972427f47961 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -8364,7 +8364,7 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector) drm_add_modes_noedid(connector, 1920, 1080); } else { amdgpu_dm_connector_ddc_get_modes(connector, drm_edid); - if (encoder) + if (encoder && connector->connector_type != DRM_MODE_CONNECTOR_eDP) amdgpu_dm_connector_add_common_modes(encoder, connector); amdgpu_dm_connector_add_freesync_modes(connector, drm_edid); }