diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c index 0a336c80c7bb..5c1e0adb142b 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c @@ -872,8 +872,19 @@ bool dcn_validate_bandwidth( v->lb_bit_per_pixel[input_idx] = 30; v->viewport_width[input_idx] = pipe->stream->timing.h_addressable; v->viewport_height[input_idx] = pipe->stream->timing.v_addressable; - v->scaler_rec_out_width[input_idx] = pipe->stream->timing.h_addressable; - v->scaler_recout_height[input_idx] = pipe->stream->timing.v_addressable; + /* + * for cases where we have no plane, we want to validate up to 1080p + * source size because here we are only interested in if the output + * timing is supported or not. if we cannot support native resolution + * of the high res display, we still want to support lower res up scale + * to native + */ + if (v->viewport_width[input_idx] > 1920) + v->viewport_width[input_idx] = 1920; + if (v->viewport_height[input_idx] > 1080) + v->viewport_height[input_idx] = 1080; + v->scaler_rec_out_width[input_idx] = v->viewport_width[input_idx]; + v->scaler_recout_height[input_idx] = v->viewport_height[input_idx]; v->override_hta_ps[input_idx] = 1; v->override_vta_ps[input_idx] = 1; v->override_hta_pschroma[input_idx] = 1; |