This is a note to let you know that I've just added the patch titled
drm/radeon: only apply the SS fractional workaround to RS[78]80
to the 4.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-only-apply-the-ss-fractional-workaround-to-rs80.patch
and it can be found in the queue-4.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ae5b80d2b68eac945b124227dea34462118a6f01 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@xxxxxxx>
Date: Thu, 18 Aug 2016 11:51:14 +0200
Subject: drm/radeon: only apply the SS fractional workaround to RS[78]80
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From: Christian König <christian.koenig@xxxxxxx>
commit ae5b80d2b68eac945b124227dea34462118a6f01 upstream.
Looks like some RV6xx have problems with that.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=97099
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/atombios_crtc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -627,7 +627,9 @@ static u32 atombios_adjust_pll(struct dr
if (radeon_crtc->ss.refdiv) {
radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV;
radeon_crtc->pll_reference_div = radeon_crtc->ss.refdiv;
- if (rdev->family >= CHIP_RV770)
+ if (ASIC_IS_AVIVO(rdev) &&
+ rdev->family != CHIP_RS780 &&
+ rdev->family != CHIP_RS880)
radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
}
}
Patches currently in stable-queue which might be from christian.koenig@xxxxxxx are
queue-4.7/drm-radeon-only-apply-the-ss-fractional-workaround-to-rs80.patch
queue-4.7/drm-radeon-fix-radeon_move_blit-on-32bit-systems.patch
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