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-rw-r--r--shared-core/radeon_cp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/shared-core/radeon_cp.c b/shared-core/radeon_cp.c
index da15a4b8..d6887f1f 100644
--- a/shared-core/radeon_cp.c
+++ b/shared-core/radeon_cp.c
@@ -16114,9 +16114,9 @@ static u32 R500_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
static u32 RS400_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
{
u32 ret;
- RADEON_WRITE(RS400_NB_MC_INDEX, addr & 0x7f);
+ RADEON_WRITE(RS400_NB_MC_INDEX, addr & 0xff);
ret = RADEON_READ(RS400_NB_MC_DATA);
- RADEON_WRITE(RS400_NB_MC_INDEX, 0x7f);
+ RADEON_WRITE(RS400_NB_MC_INDEX, 0xff);
return ret;
}