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authorDave Airlie <airlied@redhat.com>2010-10-19 10:36:47 +1000
committerDave Airlie <airlied@redhat.com>2010-10-19 14:12:22 +1000
commit5480f727dc4c049eb46b191bfaeb034067aa6835 (patch)
treed6b5166fd2e198e05de9027e0e61ebfb6abeb51f /drivers/gpu/drm/radeon/atombios_crtc.c
parentc9220b0f7cbd1d2272426aa81a72ae2f6582bb71 (diff)
Revert "drm/radeon/kms: remove some pll algo flags"
This reverts commit f28488c282d8916b9b6190cc41714815bbaf97d5. On my rv610 test machine the monitor failed to light up after this. 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.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 037e3260cb7..176f424975a 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -501,9 +501,21 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
(rdev->family == CHIP_RS740))
pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
RADEON_PLL_PREFER_CLOSEST_LOWER);
- } else
+
+ if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */
+ pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
+ else
+ pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
+ } else {
pll->flags |= RADEON_PLL_LEGACY;
+ if (mode->clock > 200000) /* range limits??? */
+ pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
+ else
+ pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
+
+ }
+
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc == crtc) {
radeon_encoder = to_radeon_encoder(encoder);