This is a note to let you know that I've just added the patch titled
radeon/kms: fix dp displayport mode validation
to the 2.6.37-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:
radeon-kms-fix-dp-displayport-mode-validation.patch
and it can be found in the queue-2.6.37 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 6bba2e116808ca12e30c8d88dfedabf8b8d67390 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <[email protected]>
Date: Wed, 26 Jan 2011 17:51:03 -0500
Subject: radeon/kms: fix dp displayport mode validation
From: Jerome Glisse <[email protected]>
commit 6bba2e116808ca12e30c8d88dfedabf8b8d67390 upstream.
Check if there is a big enough dp clock & enough dp lane to
drive the video mode provided.
Signed-off-by: Jerome Glisse <[email protected]>
Reviewed-By: Alex Deucher <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/atombios_dp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -187,9 +187,9 @@ static int dp_link_clock_for_mode_clock(
int dp_mode_valid(u8 dpcd[DP_DPCD_SIZE], int mode_clock)
{
int lanes = dp_lanes_for_mode_clock(dpcd, mode_clock);
- int bw = dp_lanes_for_mode_clock(dpcd, mode_clock);
+ int dp_clock = dp_link_clock_for_mode_clock(dpcd, mode_clock);
- if ((lanes == 0) || (bw == 0))
+ if ((lanes == 0) || (dp_clock == 0))
return MODE_CLOCK_HIGH;
return MODE_OK;
Patches currently in stable-queue which might be from [email protected] are
queue-2.6.37/radeon-kms-fix-dp-displayport-mode-validation.patch
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