This is a note to let you know that I've just added the patch titled
drm/radeon/atom: workaround vbios bug in transmitter table on rs780
to the 3.4-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-atom-workaround-vbios-bug-in-transmitter-table-on-rs780.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c23632d4e57c0dd20bf50eca08fa0eb8ad3ff680 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Thu, 10 Oct 2013 16:45:27 -0400
Subject: drm/radeon/atom: workaround vbios bug in transmitter table on rs780
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit c23632d4e57c0dd20bf50eca08fa0eb8ad3ff680 upstream.
Some rs780 asics seem to be affected as well.
See:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=91f3a6aaf280294b07c05dfe606e6c27b7ba3c72
Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=60791
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/atombios_encoders.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1430,7 +1430,7 @@ radeon_atom_encoder_dpms_dig(struct drm_
* does the same thing and more.
*/
if ((rdev->family != CHIP_RV710) && (rdev->family != CHIP_RV730) &&
- (rdev->family != CHIP_RS880))
+ (rdev->family != CHIP_RS780) && (rdev->family != CHIP_RS880))
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
}
if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) {
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-3.4/drm-radeon-atom-workaround-vbios-bug-in-transmitter-table-on-rs780.patch
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