From a8f65ba3c2655125c4933f2f6a7e1f4938859bba Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Tue, 8 Dec 2020 14:33:53 +0200 Subject: drm/dsc: add helper for calculating rc buffer size from DPCD Add a helper for calculating the rc buffer size from the DCPD offsets DP_DSC_RC_BUF_BLK_SIZE and DP_DSC_RC_BUF_SIZE. Cc: Alex Deucher Cc: Harry Wentland Cc: Manasi Navare Cc: Vandita Kulkarni Reviewed-by: Vandita Kulkarni Acked-by: Daniel Vetter Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/6c6aee22740fe7a8cf2b8e768bfda378850cf59a.1607429866.git.jani.nikula@intel.com --- include/drm/drm_dsc.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/drm') diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h index 732f32740c86..e66560174ff1 100644 --- a/include/drm/drm_dsc.h +++ b/include/drm/drm_dsc.h @@ -602,6 +602,7 @@ struct drm_dsc_pps_infoframe { } __packed; void drm_dsc_dp_pps_header_init(struct dp_sdp_header *pps_header); +int drm_dsc_dp_rc_buffer_size(u8 rc_buffer_block_size, u8 rc_buffer_size); void drm_dsc_pps_payload_pack(struct drm_dsc_picture_parameter_set *pps_sdp, const struct drm_dsc_config *dsc_cfg); int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg); -- cgit v1.2.3