This is a note to let you know that I've just added the patch titled
drm/radeon: warn users when hw_i2c is enabled (v2)
to the 3.12-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-warn-users-when-hw_i2c-is-enabled-v2.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d195178297de9a91246519dbfa98952b70f9a9b6 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Tue, 7 Jan 2014 10:05:02 -0500
Subject: drm/radeon: warn users when hw_i2c is enabled (v2)
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From: Alex Deucher <alexander.deucher@xxxxxxx>
commit d195178297de9a91246519dbfa98952b70f9a9b6 upstream.
The hw i2c engines are disabled by default as the
current implementation is still experimental. Print
a warning when users enable it so that it's obvious
when the option is enabled.
v2: check for non-0 rather than 1
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_i2c.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -1020,6 +1020,9 @@ void radeon_i2c_destroy(struct radeon_i2
/* Add the default buses */
void radeon_i2c_init(struct radeon_device *rdev)
{
+ if (radeon_hw_i2c)
+ DRM_INFO("hw_i2c forced on, you may experience display detection problems!\n");
+
if (rdev->is_atom_bios)
radeon_atombios_i2c_init(rdev);
else
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-3.12/drm-radeon-warn-users-when-hw_i2c-is-enabled-v2.patch
queue-3.12/drm-radeon-dpm-disable-mclk-switching-on-desktop-rv770.patch
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