drm/amd/display: Don't add freesync modes to analog displays (v2)

VRR is not supported on analog signals.
Don't add freesync modes to analog displays or when
VRR is unsupported by DC.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Timur Kristóf

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -8662,6 +8662,10 @@ static void amdgpu_dm_connector_add_freesync_modes(struct drm_connector *connect
 	if (!(amdgpu_freesync_vid_mode && drm_edid))
 		return;
 
+	if (!amdgpu_dm_connector->dc_sink || amdgpu_dm_connector->dc_sink->edid_caps.analog ||
+		!dc_supports_vrr(amdgpu_dm_connector->dc_sink->ctx->dce_version))
+		return;
+
 	if (amdgpu_dm_connector->max_vfreq - amdgpu_dm_connector->min_vfreq > 10)
 		amdgpu_dm_connector->num_modes +=
 			add_fs_modes(amdgpu_dm_connector);