diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 |
1 files changed, 6 insertions, 1 deletions
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 d06fa6380179..837a286469ec 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1342,9 +1342,14 @@ static int dm_late_init(void *handle) struct dmcu_iram_parameters params; unsigned int linear_lut[16]; int i; - struct dmcu *dmcu = adev->dm.dc->res_pool->dmcu; + struct dmcu *dmcu = NULL; bool ret; + if (!adev->dm.fw_dmcu && !adev->dm.dmub_fw) + return detect_mst_link_for_all_connectors(adev->ddev); + + dmcu = adev->dm.dc->res_pool->dmcu; + for (i = 0; i < 16; i++) linear_lut[i] = 0xFFFF * i / 15; |