diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-04-07 10:31:25 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-04-21 14:32:19 -0700 |
| commit | 5ce1071c2390f8a27569bf9b41f8038ded424dff (patch) | |
| tree | 310832d746931d01cf9b0bdbd7c45a42e727913e /drivers/gpu/drm | |
| parent | 833923adc70f9493f0860ffff7e326612c1ff513 (diff) | |
drm/radeon/kms: pll tweaks for rv6xx
commit 9bb09fa1b5b07459279301ac6220d575f307597b upstream.
Prefer minm over maxp.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=35994
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.c | 6 |
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 e967cc869b3..08612572c55 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; |