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path: root/drivers/gpu/drm/radeon/radeon_clocks.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_clocks.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_clocks.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_clocks.c b/drivers/gpu/drm/radeon/radeon_clocks.c
index a37cbce5318..152eef13197 100644
--- a/drivers/gpu/drm/radeon/radeon_clocks.c
+++ b/drivers/gpu/drm/radeon/radeon_clocks.c
@@ -102,10 +102,12 @@ void radeon_get_clock_info(struct drm_device *dev)
p1pll->reference_div = 12;
if (p2pll->reference_div < 2)
p2pll->reference_div = 12;
- if (spll->reference_div < 2)
- spll->reference_div =
- RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) &
- RADEON_M_SPLL_REF_DIV_MASK;
+ if (rdev->family < CHIP_RS600) {
+ if (spll->reference_div < 2)
+ spll->reference_div =
+ RREG32_PLL(RADEON_M_SPLL_REF_FB_DIV) &
+ RADEON_M_SPLL_REF_DIV_MASK;
+ }
if (mpll->reference_div < 2)
mpll->reference_div = spll->reference_div;
} else {