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drm/amd/display: Change Brightness Control Priority

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Prioritize Aux-based over PWM-based brightness control
for more types of panels and introduce a new structure
to store and manage the type of brightness control used.

Reviewed-by: Anthony Koo <anthony.koo@amd.com>
Signed-off-by: Muyuan Yang <muyuan.yang@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Muyuan Yang
2024-06-05 10:24:59 -04:00
committed by Alex Deucher
parent 70f75eef5f
commit e1b58b2b11
2 changed files with 7 additions and 0 deletions
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1
drivers/gpu/drm/amd/display/dc/dc.h
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@@ -1786,6 +1786,7 @@ struct dc_link {
// BW ALLOCATON USB4 ONLY
struct dc_dpia_bw_alloc dpia_bw_alloc_config;
bool skip_implict_edp_power_control;
enum backlight_control_type backlight_control_type;
};
/* Return an enumerated dc_link.

6
drivers/gpu/drm/amd/display/dc/dc_types.h
View File

@@ -923,6 +923,12 @@ struct display_endpoint_id {
enum display_endpoint_type ep_type;
};
enum backlight_control_type {
BACKLIGHT_CONTROL_PWM = 0,
BACKLIGHT_CONTROL_VESA_AUX = 1,
BACKLIGHT_CONTROL_AMD_AUX = 2,
};
#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
struct otg_phy_mux {
uint8_t phy_output_num;