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>
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 037e326..176f424 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -501,9 +501,21 @@
(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);