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alistair23-linux/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.h

57 lines
2.1 KiB
C

/*
* Copyright 2019 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef AMD_DAL_DEV_AMDGPU_DM_AMDGPU_DM_CRC_H_
#define AMD_DAL_DEV_AMDGPU_DM_AMDGPU_DM_CRC_H_
enum amdgpu_dm_pipe_crc_source {
AMDGPU_DM_PIPE_CRC_SOURCE_NONE = 0,
AMDGPU_DM_PIPE_CRC_SOURCE_CRTC,
AMDGPU_DM_PIPE_CRC_SOURCE_DPRX,
AMDGPU_DM_PIPE_CRC_SOURCE_MAX,
AMDGPU_DM_PIPE_CRC_SOURCE_INVALID = -1,
};
static inline bool amdgpu_dm_is_valid_crc_source(enum amdgpu_dm_pipe_crc_source source)
{
return (source == AMDGPU_DM_PIPE_CRC_SOURCE_CRTC) ||
(source == AMDGPU_DM_PIPE_CRC_SOURCE_DPRX);
}
/* amdgpu_dm_crc.c */
#ifdef CONFIG_DEBUG_FS
int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name);
int amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc,
const char *src_name,
size_t *values_cnt);
void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc);
#else
#define amdgpu_dm_crtc_set_crc_source NULL
#define amdgpu_dm_crtc_verify_crc_source NULL
#define amdgpu_dm_crtc_handle_crc_irq(x)
#endif
#endif /* AMD_DAL_DEV_AMDGPU_DM_AMDGPU_DM_CRC_H_ */