3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alex Deucher <alexander.deuc...@amd.com>
commit a02dc74b317d78298cb0587b9b1f6f741fd5c139 upstream.
Fixes flickering with some high res montiors.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
[bwh: Backported to 3.2: use pll->flags instead of radeon_crtc->pll_flags]
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
Cc: Weng Meiling <wengmeiling.w...@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -573,6 +573,8 @@ static u32 atombios_adjust_pll(struct dr
/* use frac fb div on APUs */
if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
+ if (ASIC_IS_DCE32(rdev) && mode->clock > 165000)
+ pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
} else {
pll->flags |= RADEON_PLL_LEGACY;
--
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