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| author | Alex Deucher <alexander.deucher@amd.com> | 2012-09-14 09:59:26 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-09-27 10:22:41 -0400 |
| commit | 6d92f81dcf2d40b8ebb947bba5435642b830f649 (patch) | |
| tree | 9a9f606f27c6e0007d473727326b5b761186c331 /drivers/gpu/drm/radeon/radeon.h | |
| parent | 2e3b3b105ab3bb5b6a37198da4f193cd13781d13 (diff) | |
| download | blackbird-op-linux-6d92f81dcf2d40b8ebb947bba5435642b830f649.tar.gz blackbird-op-linux-6d92f81dcf2d40b8ebb947bba5435642b830f649.zip | |
drm/radeon: add get_backlight_level callback
Read back the backlight level from the hw.
Needed for proper backlight restoration on resume.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 4d67f0f5a5a3..de86b8e259ce 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1174,6 +1174,8 @@ struct radeon_asic { void (*wait_for_vblank)(struct radeon_device *rdev, int crtc); /* set backlight level */ void (*set_backlight_level)(struct radeon_encoder *radeon_encoder, u8 level); + /* get backlight level */ + u8 (*get_backlight_level)(struct radeon_encoder *radeon_encoder); } display; /* copy functions for bo handling */ struct { @@ -1767,6 +1769,7 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v); #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev)) #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc)) #define radeon_set_backlight_level(rdev, e, l) (rdev)->asic->display.set_backlight_level((e), (l)) +#define radeon_get_backlight_level(rdev, e) (rdev)->asic->display.get_backlight_level((e)) #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)].emit_fence((rdev), (fence)) #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)].emit_semaphore((rdev), (cp), (semaphore), (emit_wait)) #define radeon_copy_blit(rdev, s, d, np, f) (rdev)->asic->copy.blit((rdev), (s), (d), (np), (f)) |
