Files
cubelinux-kernel/drivers/gpu/drm/msm/msm_dsc_helper.h
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

28 lines
862 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved
*
* Helper methods for MSM-specific DSC calculations that are common between timing engine,
* DSI, and DP.
*/
#ifndef MSM_DSC_HELPER_H_
#define MSM_DSC_HELPER_H_
#include <linux/math.h>
#include <drm/display/drm_dsc_helper.h>
/**
* msm_dsc_get_bytes_per_line() - calculate bytes per line
* @dsc: Pointer to drm dsc config struct
* Returns: Integer value representing bytes per line. DSI and DP need
* to perform further calculations to turn this into pclk_per_intf,
* such as dividing by different values depending on if widebus is enabled.
*/
static inline u32 msm_dsc_get_bytes_per_line(const struct drm_dsc_config *dsc)
{
return dsc->slice_count * dsc->slice_chunk_size;
}
#endif /* MSM_DSC_HELPER_H_ */