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| author | Alex Deucher <alexdeucher@gmail.com> | 2011-04-19 15:24:59 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-04-20 09:39:37 +1000 |
| commit | 5785e53ffa73f77fb19e378c899027afc07272bc (patch) | |
| tree | 0789a942d7416201ad64976b8d93a7db6f352b5d /drivers/gpu | |
| parent | be761d5ebd2712985c94086cb2d9f4ba6aed556d (diff) | |
| download | linux-3.10-5785e53ffa73f77fb19e378c899027afc07272bc.tar.gz linux-3.10-5785e53ffa73f77fb19e378c899027afc07272bc.tar.bz2 linux-3.10-5785e53ffa73f77fb19e378c899027afc07272bc.zip | |
drm/radeon/kms: pll tweaks for r7xx
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>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 6 |
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 9d516a8c4df..529a3a70473 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)) |