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authorAlex Deucher <alexdeucher@gmail.com>2011-04-19 15:24:59 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2011-05-02 09:19:36 -0700
commitc5fd52b24b7ea7ba603e99e33235857e3deeee3f (patch)
treef965bd742a92076bb0af7cb8d0be44f41882cd83 /drivers/gpu/drm
parent5aefedf020635bfb1c1390b920c6b8e442be25b0 (diff)
downloadlinux-2.6.38-lt-ux500-c5fd52b24b7ea7ba603e99e33235857e3deeee3f.tar.gz
drm/radeon/kms: pll tweaks for r7xx
commit 5785e53ffa73f77fb19e378c899027afc07272bc upstream. Prefer min m to max p only on pre-r7xx asics. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=36197 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 08612572c55..bede31c6571 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -532,10 +532,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
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))
+ if (rdev->family < CHIP_RV770)
pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
} else {
pll->flags |= RADEON_PLL_LEGACY;
@@ -565,7 +562,6 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
if (ss_enabled) {
if (ss->refdiv) {
- pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
pll->flags |= RADEON_PLL_USE_REF_DIV;
pll->reference_div = ss->refdiv;
if (ASIC_IS_AVIVO(rdev))