linux/include/drm/display/drm_dsc_helper.h
Dmitry Baryshkov e3290f8831 drm/display/dsc: split DSC 1.2 and DSC 1.1 (pre-SCR) parameters
The array of rc_parameters contains a mixture of parameters from DSC 1.1
and DSC 1.2 standards. Split these tow configuration arrays in
preparation to adding more configuration data.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Suraj Kandpal
Reviewed-by: Suraj Kandpal
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230517102807.2181589-7-dmitry.baryshkov@linaro.org
Acked-by: Dave Airlie <airlied@redhat.com>
2023-05-19 17:14:42 -04:00

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C

/* SPDX-License-Identifier: MIT
* Copyright (C) 2018 Intel Corp.
*
* Authors:
* Manasi Navare <manasi.d.navare@intel.com>
*/
#ifndef DRM_DSC_HELPER_H_
#define DRM_DSC_HELPER_H_
#include <drm/display/drm_dsc.h>
enum drm_dsc_params_type {
DRM_DSC_1_2_444,
DRM_DSC_1_1_PRE_SCR, /* legacy params from DSC 1.1 */
};
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);
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);
#endif /* _DRM_DSC_HELPER_H_ */