diff options
| author |   Alex Deucher <alexdeucher@gmail.com> | 2011-04-07 10:31:25 -0400 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2011-04-09 16:20:41 +1000 |
| commit | 9bb09fa1b5b07459279301ac6220d575f307597b (patch) | |
| tree | 1931877b22279d442810d38f2d344550e55d5201 /drivers | |
| parent | drm/radeon: Fix KMS legacy backlight support if CONFIG_BACKLIGHT_CLASS_DEVICE=m. (diff) | |
| download | linux-dev-9bb09fa1b5b07459279301ac6220d575f307597b.tar.xz linux-dev-9bb09fa1b5b07459279301ac6220d575f307597b.zip | |
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')
| -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 b41ec59c7100..9d516a8c4dfa 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; |