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authorAlex Deucher <alexdeucher@gmail.com>2011-04-07 10:31:25 -0400
committerDave Airlie <airlied@redhat.com>2011-04-09 16:20:41 +1000
commit9bb09fa1b5b07459279301ac6220d575f307597b (patch)
tree1931877b22279d442810d38f2d344550e55d5201 /drivers/gpu/drm/radeon/atombios_crtc.c
parent88a2b75cceba1fdbc1fdb70c7c8cd2b40da3d95d (diff)
drm/radeon/kms: pll tweaks for rv6xx
Prefer minm over maxp. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=35994 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index b41ec59c710..9d516a8c4df 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -531,6 +531,12 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
else
pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
+
+ if ((rdev->family == CHIP_R600) ||
+ (rdev->family == CHIP_RV610) ||
+ (rdev->family == CHIP_RV630) ||
+ (rdev->family == CHIP_RV670))
+ pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
} else {
pll->flags |= RADEON_PLL_LEGACY;