From: Alex Deucher <alexander.deuc...@amd.com>
dpms bits not used on DCE4+
Signed-off-by: Alex Deucher <alexander.deuc...@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
--
1.7.7.5
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