diff options
| author | David Francis | 2018-11-13 16:37:16 +0100 |
|---|---|---|
| committer | Alex Deucher | 2019-01-14 21:04:38 +0100 |
| commit | f284975ef2bcec6eb5ab51f61ea67f460ca49a03 (patch) | |
| tree | 958b4b7fd7165b19283b5d5ec5b5747bf98beb66 /drivers/gpu/drm/amd/display/dc/dc.h | |
| parent | drm/amd/display: add stream ID and otg instance in dc_stream_state (diff) | |
| download | kernel-qcow2-linux-f284975ef2bcec6eb5ab51f61ea67f460ca49a03.tar.gz kernel-qcow2-linux-f284975ef2bcec6eb5ab51f61ea67f460ca49a03.tar.xz kernel-qcow2-linux-f284975ef2bcec6eb5ab51f61ea67f460ca49a03.zip | |
drm/amd/display: Add backlight pwm debugfs
[Why]
ABM enablement testing can be automated if a way of reading
target and current hardware backlight is available
[How]
Expand debugfs interface with two new entries.
Hook directly into dc interface. Units are as
a fraction of 0x1000 = 100%
Use the built-in amdgpu function for creating
read-only debugfs files
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index da08c7122497..c150597962f6 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -749,6 +749,9 @@ void dc_set_power_state( struct dc *dc, enum dc_acpi_cm_power_state power_state); void dc_resume(struct dc *dc); +unsigned int dc_get_current_backlight_pwm(struct dc *dc); +unsigned int dc_get_target_backlight_pwm(struct dc *dc); + bool dc_is_dmcu_initialized(struct dc *dc); #endif /* DC_INTERFACE_H_ */ |