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Patch "drm/amdgpu/atom: Send out the full AUX address" has been added to the 4.2-stable tree

PATCH [email protected] 1 participant 1 message Sep 15, 2015

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This is a note to let you know that I've just added the patch titled

drm/amdgpu/atom: Send out the full AUX address

to the 4.2-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-amdgpu-atom-send-out-the-full-aux-address.patch
and it can be found in the queue-4.2 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From e39daf2c63518a8ce92e3ad5caa04097524b3585 Mon Sep 17 00:00:00 2001

From: Alex Deucher <[email protected]>
Date: Mon, 31 Aug 2015 11:08:44 -0400
Subject: drm/amdgpu/atom: Send out the full AUX address
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Alex Deucher <[email protected]>

commit e39daf2c63518a8ce92e3ad5caa04097524b3585 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 amdgpu

---
 drivers/gpu/drm/amd/amdgpu/atombios_dp.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
drivers/gpu/drm/amd/amdgpu/atombios_dp.c +2 -1
@@ -139,7 +139,8 @@ amdgpu_atombios_dp_aux_transfer(struct d
 
 	tx_buf[0] = msg->address & 0xff;
 	tx_buf[1] = msg->address >> 8;
-	tx_buf[2] = msg->request << 4;
+	tx_buf[2] = (msg->request << 4) |
+		((msg->address >> 16) & 0xf);
 	tx_buf[3] = msg->size ? (msg->size - 1) : 0;
 
 	switch (msg->request & ~DP_AUX_I2C_MOT) {

Patches currently in stable-queue which might be from [email protected] are

queue-4.2/drm-amdgpu-atom-send-out-the-full-aux-address.patch queue-4.2/drm-radeon-atom-send-out-the-full-aux-address.patch queue-4.2/drm-amdgpu-fix-ih-ring-allocation-for-bus-addresses-v2.patch queue-4.2/drm-radeon-don-t-link-train-displayport-on-hpd-until-we-get-the-dpcd.patch queue-4.2/drm-amdgpu-fix-typo-in-dce11-watermark-setup.patch queue-4.2/drm-radeon-native-send-out-the-full-aux-address.patch queue-4.2/drm-amdgpu-don-t-link-train-displayport-on-hpd-until-we-get-the-dpcd.patch queue-4.2/drm-radeon-fix-hdmi-quantization_range-for-pre-dce5-asics.patch queue-4.2/drm-amdgpu-fix-typo-in-dce10-watermark-setup.patch