diff options
author | Jason Gunthorpe <jgg@nvidia.com> | 2021-12-14 20:18:48 -0400 |
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committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-12-14 20:18:48 -0400 |
commit | 4922f0920966c28d674b03479cdcb7f3939bfbbd (patch) | |
tree | 6a8b3972ff853fc0addcfab662d33354124f7fdb /drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | |
parent | 20679094a0161c94faf77e373fa3f7428a8e14bd (diff) | |
parent | 2585cf9dfaaddf00b069673f27bb3f8530e2039c (diff) |
Merge tag 'v5.16-rc5' into rdma.git for-next
Required due to dependencies in following patches.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 96b7bb13a2dd..12a6b1c99c93 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1569,6 +1569,18 @@ void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev, WREG32(adev->bios_scratch_reg_offset + 3, tmp); } +void amdgpu_atombios_scratch_regs_set_backlight_level(struct amdgpu_device *adev, + u32 backlight_level) +{ + u32 tmp = RREG32(adev->bios_scratch_reg_offset + 2); + + tmp &= ~ATOM_S2_CURRENT_BL_LEVEL_MASK; + tmp |= (backlight_level << ATOM_S2_CURRENT_BL_LEVEL_SHIFT) & + ATOM_S2_CURRENT_BL_LEVEL_MASK; + + WREG32(adev->bios_scratch_reg_offset + 2, tmp); +} + bool amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device *adev) { u32 tmp = RREG32(adev->bios_scratch_reg_offset + 7); |