diff options
| author |   Nikola Cornij <nikola.cornij@amd.com> | 2019-04-05 15:02:18 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-06-22 09:34:10 -0500 |
| commit | 9c0ab2dd070db6282c27690e7b57976485055ff7 (patch) | |
| tree | ce14da05263e1b44b2dfcfc563e7c48a166b32e7 /drivers/gpu/drm/amd/display/dc/dc_dsc.h | |
| parent | drm/amd/display: enable abm on dcn2 (diff) | |
| download | linux-dev-9c0ab2dd070db6282c27690e7b57976485055ff7.tar.xz linux-dev-9c0ab2dd070db6282c27690e7b57976485055ff7.zip | |
drm/amd/display: Consider DSC target bpp precision when calculating DSC target bpp
[why]
DSC target bpp precision is a decoder DPCD and an AMD encoder capability.
It must be taken into account when calculating target bitrate.
[how]
Add a DC DSC function that does this calculation.
Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_dsc.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dsc.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dsc.h b/drivers/gpu/drm/amd/display/dc/dc_dsc.h index ddaf7532bb59..be0f7b09086a 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dsc.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dsc.h @@ -24,12 +24,13 @@ * * Author: AMD */ + struct dc_dsc_bw_range { - uint32_t min_kbps; + uint32_t min_kbps; /* Bandwidth if min_target_bpp_x16 is used */ uint32_t min_target_bpp_x16; - uint32_t max_kbps; + uint32_t max_kbps; /* Bandwidth if max_target_bpp_x16 is used */ uint32_t max_target_bpp_x16; - uint32_t stream_kbps; + uint32_t stream_kbps; /* Uncompressed stream bandwidth */ }; @@ -43,10 +44,11 @@ bool dc_dsc_compute_bandwidth_range( const struct dsc_dec_dpcd_caps *dsc_sink_caps, const struct dc_crtc_timing *timing, struct dc_dsc_bw_range *range); + bool dc_dsc_compute_config( const struct dc *dc, const struct dsc_dec_dpcd_caps *dsc_sink_caps, - int target_bandwidth, + uint32_t target_bandwidth_kbps, const struct dc_crtc_timing *timing, struct dc_dsc_config *dsc_cfg); #endif |