[ 3.5.y.z extended stable ] Patch "drm/radeon/dce32+: use fractional fb dividers for high" has been added to staging queue
Herton Ronaldo Krzesinski
herton.krzesinski at canonical.com
Mon Jan 7 20:37:25 UTC 2013
This is a note to let you know that I have just added a patch titled
drm/radeon/dce32+: use fractional fb dividers for high
to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree
which can be found at:
http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue
If you, or anyone else, feels it should not be added to this tree, please
reply to this email.
For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
Thanks.
-Herton
------
>From faeabd7fa1c23e4dbf4d1fc0fe9ba412171ca464 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher at amd.com>
Date: Tue, 13 Nov 2012 18:03:41 -0500
Subject: [PATCH] drm/radeon/dce32+: use fractional fb dividers for high
clocks
commit a02dc74b317d78298cb0587b9b1f6f741fd5c139 upstream.
Fixes flickering with some high res montiors.
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
[ herton: on 3.5, set pll->flags instead of radeon_crtc->pll_flags ]
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski at canonical.com>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 25b8014..80eb8d5 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -577,6 +577,8 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
/* 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;
--
1.7.9.5
More information about the kernel-team
mailing list