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path: root/drivers/gpu/drm/radeon/dce6_afmt.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/dce6_afmt.c')
-rw-r--r--drivers/gpu/drm/radeon/dce6_afmt.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c
index 3853dda797d..85a69d2ea3d 100644
--- a/drivers/gpu/drm/radeon/dce6_afmt.c
+++ b/drivers/gpu/drm/radeon/dce6_afmt.c
@@ -28,22 +28,30 @@
static u32 dce6_endpoint_rreg(struct radeon_device *rdev,
u32 block_offset, u32 reg)
{
+ unsigned long flags;
u32 r;
+ spin_lock_irqsave(&rdev->end_idx_lock, flags);
WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
r = RREG32(AZ_F0_CODEC_ENDPOINT_DATA + block_offset);
+ spin_unlock_irqrestore(&rdev->end_idx_lock, flags);
+
return r;
}
static void dce6_endpoint_wreg(struct radeon_device *rdev,
u32 block_offset, u32 reg, u32 v)
{
+ unsigned long flags;
+
+ spin_lock_irqsave(&rdev->end_idx_lock, flags);
if (ASIC_IS_DCE8(rdev))
WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
else
WREG32(AZ_F0_CODEC_ENDPOINT_INDEX + block_offset,
AZ_ENDPOINT_REG_WRITE_EN | AZ_ENDPOINT_REG_INDEX(reg));
WREG32(AZ_F0_CODEC_ENDPOINT_DATA + block_offset, v);
+ spin_unlock_irqrestore(&rdev->end_idx_lock, flags);
}
#define RREG32_ENDPOINT(block, reg) dce6_endpoint_rreg(rdev, (block), (reg))