* Patch "drm/radeon/native: Send out the full AUX address" has been added to the 4.1-stable tree
@ 2015-09-15 22:27 gregkh
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From: gregkh @ 2015-09-15 22:27 UTC (permalink / raw
To: alexander.deucher, christian.koenig, gregkh; +Cc: stable, stable-commits
This is a note to let you know that I've just added the patch titled
drm/radeon/native: Send out the full AUX address
to the 4.1-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-native-send-out-the-full-aux-address.patch
and it can be found in the queue-4.1 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 7040c399aea2b0213a9aefd73e507369a6d641d6 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 31 Aug 2015 11:15:05 -0400
Subject: drm/radeon/native: Send out the full AUX address
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From: Alex Deucher <alexander.deucher@amd.com>
commit 7040c399aea2b0213a9aefd73e507369a6d641d6 upstream.
AUX addresses are 20 bits long. Send out the entire address instead of
just the low 16 bits.
Port of:
drm/radeon/atom: Send out the full AUX address
to radeon non-atom aux path
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/radeon/radeon_dp_auxch.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/radeon/radeon_dp_auxch.c
+++ b/drivers/gpu/drm/radeon/radeon_dp_auxch.c
@@ -116,8 +116,8 @@ radeon_dp_aux_transfer_native(struct drm
AUX_SW_WR_BYTES(bytes));
/* write the data header into the registers */
- /* request, addres, msg size */
- byte = (msg->request << 4);
+ /* request, address, msg size */
+ byte = (msg->request << 4) | ((msg->address >> 16) & 0xf);
WREG32(AUX_SW_DATA + aux_offset[instance],
AUX_SW_DATA_MASK(byte) | AUX_SW_AUTOINCREMENT_DISABLE);
Patches currently in stable-queue which might be from alexander.deucher@amd.com are
queue-4.1/drm-radeon-atom-send-out-the-full-aux-address.patch
queue-4.1/drm-radeon-don-t-link-train-displayport-on-hpd-until-we-get-the-dpcd.patch
queue-4.1/drm-radeon-native-send-out-the-full-aux-address.patch
queue-4.1/drm-radeon-fix-hdmi-quantization_range-for-pre-dce5-asics.patch
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2015-09-15 22:27 Patch "drm/radeon/native: Send out the full AUX address" has been added to the 4.1-stable tree gregkh
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