From: Alex Deucher alexander.deucher@amd.com
dpms bits not used on DCE4+
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/radeon_atombios.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 8577824..361d56c 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -3070,6 +3070,9 @@ 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