From 7948afb46af925830e1541ec33644ba8eecb15ed Mon Sep 17 00:00:00 2001 From: Mario Limonciello Date: Mon, 2 Jun 2025 23:50:31 -0500 Subject: [PATCH] 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 --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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); } -- 2.47.2