drm/amdgpu: skip TV/CV in display parsing

No asics supported by amdgpu support analog TV.

Workaround for bug:
https://bugs.freedesktop.org/show_bug.cgi?id=97460

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
index 1514223..fe872b8 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
@@ -321,6 +321,13 @@ bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *
                            (le16_to_cpu(path->usConnObjectId) &
                             OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
 
+                       /* Skip TV/CV support */
+                       if ((le16_to_cpu(path->usDeviceTag) ==
+                            ATOM_DEVICE_TV1_SUPPORT) ||
+                           (le16_to_cpu(path->usDeviceTag) ==
+                            ATOM_DEVICE_CV_SUPPORT))
+                               continue;
+
                        if (con_obj_id >= ARRAY_SIZE(object_connector_convert)) {
                                DRM_ERROR("invalid con_obj_id %d for device tag 0x%04x\n",
                                          con_obj_id, le16_to_cpu(path->usDeviceTag));