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drm/amd/display: Add AUX backlight register

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Introduce vendor-specific registers for handling backlight via AUX.

Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rodrigo Siqueira 2020-01-28 18:01:48 -05:00 committed by Alex Deucher
parent 8eb85cb5ad
commit 8a683eb631
2 changed files with 8 additions and 8 deletions
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8
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
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@ -20,14 +20,6 @@
#define DP_REPEATER_CONFIGURATION_AND_STATUS_SIZE 0x50
#define DP_SOURCE_TABLE_REVISION 0x310
#define DP_SOURCE_PAYLOAD_SIZE 0x311
#define DP_SOURCE_SINK_CAP 0x317
#define DP_SOURCE_BACKLIGHT_LEVEL 0x320
#define DP_SOURCE_BACKLIGHT_CURRENT_PEAK 0x326
#define DP_SOURCE_BACKLIGHT_CONTROL 0x32E
#define DP_SOURCE_BACKLIGHT_ENABLE 0x32F
/* maximum pre emphasis level allowed for each voltage swing level*/
static const enum dc_pre_emphasis voltage_swing_to_pre_emphasis[] = {
PRE_EMPHASIS_LEVEL3,

8
drivers/gpu/drm/amd/display/include/dpcd_defs.h
View File

@ -149,4 +149,12 @@ enum dpcd_psr_sink_states {
PSR_SINK_STATE_SINK_INTERNAL_ERROR = 7,
};
#define DP_SOURCE_TABLE_REVISION 0x310
#define DP_SOURCE_PAYLOAD_SIZE 0x311
#define DP_SOURCE_SINK_CAP 0x317
#define DP_SOURCE_BACKLIGHT_LEVEL 0x320
#define DP_SOURCE_BACKLIGHT_CURRENT_PEAK 0x326
#define DP_SOURCE_BACKLIGHT_CONTROL 0x32E
#define DP_SOURCE_BACKLIGHT_ENABLE 0x32F
#endif /* __DAL_DPCD_DEFS_H__ */