This is a note to let you know that I've just added the patch titled
drm/i915: Set i9xx sdvo clock limits according to specifications
to the 3.8-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-i915-set-i9xx-sdvo-clock-limits-according-to-specifications.patch
and it can be found in the queue-3.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 4f7dfb6788dd022446847fbbfbe45e13bedb5be2 Mon Sep 17 00:00:00 2001
From: Patrik Jakobsson <patrik.r.jakobs...@gmail.com>
Date: Wed, 13 Feb 2013 22:20:22 +0100
Subject: drm/i915: Set i9xx sdvo clock limits according to specifications
From: Patrik Jakobsson <patrik.r.jakobs...@gmail.com>
commit 4f7dfb6788dd022446847fbbfbe45e13bedb5be2 upstream.
The Intel PRM says the M1 and M2 divisors must be in the range of 10-20 and 5-9.
Since we do all calculations based on them being register values (which are
subtracted by 2) we need to specify them accordingly.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobs...@gmail.com>
Reviewed-by: Chris Wilson <ch...@chris-wilson.co.uk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=56359
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/gpu/drm/i915/intel_display.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -154,8 +154,8 @@ static const intel_limit_t intel_limits_
.vco = { .min = 1400000, .max = 2800000 },
.n = { .min = 1, .max = 6 },
.m = { .min = 70, .max = 120 },
- .m1 = { .min = 10, .max = 22 },
- .m2 = { .min = 5, .max = 9 },
+ .m1 = { .min = 8, .max = 18 },
+ .m2 = { .min = 3, .max = 7 },
.p = { .min = 5, .max = 80 },
.p1 = { .min = 1, .max = 8 },
.p2 = { .dot_limit = 200000,
Patches currently in stable-queue which might be from
patrik.r.jakobs...@gmail.com are
queue-3.8/drm-i915-set-i9xx-sdvo-clock-limits-according-to-specifications.patch
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