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/*
* 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_
struct drm_crtc;
struct dm_crtc_state;
enum amdgpu_dm_pipe_crc_source {
AMDGPU_DM_PIPE_CRC_SOURCE_NONE = 0,
AMDGPU_DM_PIPE_CRC_SOURCE_CRTC,
AMDGPU_DM_PIPE_CRC_SOURCE_CRTC_DITHER,
AMDGPU_DM_PIPE_CRC_SOURCE_DPRX,
AMDGPU_DM_PIPE_CRC_SOURCE_DPRX_DITHER,
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_NONE) &&
(source < AMDGPU_DM_PIPE_CRC_SOURCE_MAX);
}
/* amdgpu_dm_crc.c */
bool amdgpu_dm_crc_window_is_default(struct dm_crtc_state *dm_crtc_state);
bool amdgpu_dm_crc_window_changed(struct dm_crtc_state *dm_new_crtc_state,
struct dm_crtc_state *dm_old_crtc_state);
int amdgpu_dm_crtc_configure_crc_source(struct drm_crtc *crtc,
struct dm_crtc_state *dm_crtc_state,
enum amdgpu_dm_pipe_crc_source source);
#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);
const char *const *amdgpu_dm_crtc_get_crc_sources(struct drm_crtc *crtc,
size_t *count);
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_get_crc_sources NULL
#define amdgpu_dm_crtc_handle_crc_irq(x)
#endif
#endif /* AMD_DAL_DEV_AMDGPU_DM_AMDGPU_DM_CRC_H_ */
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