Add helper to get the integer value of drm_dsc_config.bits_per_pixel Reviewed-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx> Signed-off-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx> --- include/drm/display/drm_dsc_helper.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/drm/display/drm_dsc_helper.h b/include/drm/display/drm_dsc_helper.h index e0cbc38ada26..7bf7e8ff8eb4 100644 --- a/include/drm/display/drm_dsc_helper.h +++ b/include/drm/display/drm_dsc_helper.h @@ -9,6 +9,7 @@ #define DRM_DSC_HELPER_H_ #include <drm/display/drm_dsc.h> +#include <linux/bug.h> enum drm_dsc_params_type { DRM_DSC_1_2_444, @@ -26,6 +27,12 @@ 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); +static inline u32 drm_dsc_get_bpp_int(const struct drm_dsc_config *dsc) +{ + WARN_ON_ONCE(dsc->bits_per_pixel & 0xf); + return dsc->bits_per_pixel >> 4; +} + static inline u8 drm_dsc_initial_scale_value(const struct drm_dsc_config *dsc) { return 8 * dsc->rc_model_size / (dsc->rc_model_size - dsc->initial_offset); -- 2.40.1