lkml.org 
[lkml]   [2013]   [Jan]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 086/222] drm/radeon/dce32+: use fractional fb dividers for high clocks
Date
3.5.7.3 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@amd.com>

commit a02dc74b317d78298cb0587b9b1f6f741fd5c139 upstream.

Fixes flickering with some high res montiors.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[ herton: on 3.5, set pll->flags instead of radeon_crtc->pll_flags ]
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@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


\
 
 \ /
  Last update: 2013-01-16 19:21    [W:0.790 / U:0.156 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site