mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 05:20:25 +07:00
b5e3241316
Save/restore the backlight level scratch register in S3/S4 so the
backlight level comes back at the previously requested level.
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=199047
Fixes: 4ec6ecf48c (drm/amdgpu: drop scratch regs save and restore from S3/S4 handling)
Acked-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
79 lines
3.3 KiB
C
79 lines
3.3 KiB
C
/*
|
|
* Copyright 2014 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef __ATOMBIOS_ENCODER_H__
|
|
#define __ATOMBIOS_ENCODER_H__
|
|
|
|
u8
|
|
amdgpu_atombios_encoder_get_backlight_level_from_reg(struct amdgpu_device *adev);
|
|
void
|
|
amdgpu_atombios_encoder_set_backlight_level_to_reg(struct amdgpu_device *adev,
|
|
u8 backlight_level);
|
|
u8
|
|
amdgpu_atombios_encoder_get_backlight_level(struct amdgpu_encoder *amdgpu_encoder);
|
|
void
|
|
amdgpu_atombios_encoder_set_backlight_level(struct amdgpu_encoder *amdgpu_encoder,
|
|
u8 level);
|
|
void amdgpu_atombios_encoder_init_backlight(struct amdgpu_encoder *amdgpu_encoder,
|
|
struct drm_connector *drm_connector);
|
|
void
|
|
amdgpu_atombios_encoder_fini_backlight(struct amdgpu_encoder *amdgpu_encoder);
|
|
bool amdgpu_atombios_encoder_is_digital(struct drm_encoder *encoder);
|
|
bool amdgpu_atombios_encoder_mode_fixup(struct drm_encoder *encoder,
|
|
const struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode);
|
|
int amdgpu_atombios_encoder_get_encoder_mode(struct drm_encoder *encoder);
|
|
void
|
|
amdgpu_atombios_encoder_setup_dig_encoder(struct drm_encoder *encoder,
|
|
int action, int panel_mode);
|
|
void
|
|
amdgpu_atombios_encoder_setup_dig_transmitter(struct drm_encoder *encoder, int action,
|
|
uint8_t lane_num, uint8_t lane_set);
|
|
bool
|
|
amdgpu_atombios_encoder_set_edp_panel_power(struct drm_connector *connector,
|
|
int action);
|
|
void
|
|
amdgpu_atombios_encoder_dpms(struct drm_encoder *encoder, int mode);
|
|
void
|
|
amdgpu_atombios_encoder_set_crtc_source(struct drm_encoder *encoder);
|
|
void
|
|
amdgpu_atombios_encoder_init_dig(struct amdgpu_device *adev);
|
|
enum drm_connector_status
|
|
amdgpu_atombios_encoder_dac_detect(struct drm_encoder *encoder,
|
|
struct drm_connector *connector);
|
|
enum drm_connector_status
|
|
amdgpu_atombios_encoder_dig_detect(struct drm_encoder *encoder,
|
|
struct drm_connector *connector);
|
|
void
|
|
amdgpu_atombios_encoder_setup_ext_encoder_ddc(struct drm_encoder *encoder);
|
|
void
|
|
amdgpu_atombios_encoder_set_bios_scratch_regs(struct drm_connector *connector,
|
|
struct drm_encoder *encoder,
|
|
bool connected);
|
|
struct amdgpu_encoder_atom_dig *
|
|
amdgpu_atombios_encoder_get_lcd_info(struct amdgpu_encoder *encoder);
|
|
struct amdgpu_encoder_atom_dig *
|
|
amdgpu_atombios_encoder_get_dig_info(struct amdgpu_encoder *amdgpu_encoder);
|
|
|
|
#endif
|