diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 045a7f88b..7261317d4 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -1231,7 +1231,8 @@ static bool get_conv_frl_bw(struct amdgpu_dm_connector *aconnector, unsigned int max_sink_bw_in_kbps = 0; unsigned int dsc_max_sink_bw_in_kbps = 0; - if (aconnector->dc_link->dc->caps.dp_hdmi21_pcon_support && + if (aconnector->dc_sink && + aconnector->dc_link->dc->caps.dp_hdmi21_pcon_support && aconnector->mst_downstream_port_caps.bytes.byte0.bits.DWN_STRM_PORTX_TYPE == DOWN_STREAM_DETAILED_HDMI) { max_conv_bw_in_kbps = dc_link_bw_kbps_from_raw_frl_link_rate_data( aconnector->dc_link->dc, @@ -1996,6 +1997,9 @@ enum dc_status dm_dp_mst_is_port_support_mode( struct dc_dsc_config_options dsc_options = {0}; uint32_t stream_kbps; + if (!aconnector->dc_sink) + return DC_FAIL_BANDWIDTH_VALIDATE; + /* DSC unnecessary case * Check if timing could be supported within end-to-end BW */ |