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| author | Jessica Zhang <quic_jesszhan@quicinc.com> | 2023-05-24 19:45:14 +0200 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-06-15 11:58:55 +0200 |
| commit | 7df1ed6ddf3da52b020ef3c3f5597bc628c3e58e (patch) | |
| tree | 9f736a696b3f8c9eff62b6f4064e0f6f803c07a2 /include | |
| parent | drm/msm/dpu/catalog: define DSPP blocks found on sdm845 (diff) | |
| download | linux-7df1ed6ddf3da52b020ef3c3f5597bc628c3e58e.tar.xz linux-7df1ed6ddf3da52b020ef3c3f5597bc628c3e58e.zip | |
drm/display/dsc: Add flatness and initial scale value calculations
Add helpers to calculate det_thresh_flatness and initial_scale_value as
these calculations are defined within the DSC spec.
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/539282/
Link: https://lore.kernel.org/r/20230329-rfc-msm-dsc-helper-v14-1-bafc7be95691@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/display/drm_dsc_helper.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/drm/display/drm_dsc_helper.h b/include/drm/display/drm_dsc_helper.h index fc2104415dcb..71789fb34e17 100644 --- a/include/drm/display/drm_dsc_helper.h +++ b/include/drm/display/drm_dsc_helper.h @@ -24,6 +24,8 @@ void drm_dsc_pps_payload_pack(struct drm_dsc_picture_parameter_set *pps_sdp, void drm_dsc_set_rc_buf_thresh(struct drm_dsc_config *vdsc_cfg); int drm_dsc_setup_rc_params(struct drm_dsc_config *vdsc_cfg, enum drm_dsc_params_type type); int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg); +u8 drm_dsc_initial_scale_value(const struct drm_dsc_config *dsc); +u32 drm_dsc_flatness_det_thresh(const struct drm_dsc_config *dsc); #endif /* _DRM_DSC_HELPER_H_ */ |