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drm/radeon/kms/atom: dpms bios scratch reg updates 

dpms bits not used on DCE4+

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2012-02-19 21:42:03 -05:00 committed by Dave Airlie
parent 6b7746e876
commit 3ac0eb6d62
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/radeon/radeon_atombios.c
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@ -3020,6 +3020,9 @@ radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
uint32_t bios_2_scratch;
if (ASIC_IS_DCE4(rdev))
return;
if (rdev->family >= CHIP_R600)
bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
else