Patch "drm/radeon/atom: Send out the full AUX address" has been added to the 4.2-stable tree
Subsystems (3)
This is a note to let you know that I've just added the patch titled
drm/radeon/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-radeon-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.
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3f8340cc72c9a1a4b49bce7802afd7f248400ef5Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <[email protected]>
Date: Thu, 27 Aug 2015 17:23:31 +0300
Subject: drm/radeon/atom: Send out the full AUX address
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From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <[email protected]>
commit 3f8340cc72c9a1a4b49bce7802afd7f248400ef5 upstream.
AUX addresses are 20 bits long. Send out the entire address instead of just the low 16 bits.
--- drivers/gpu/drm/radeon/atombios_dp.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
drivers/gpu/drm/radeon/atombios_dp.c +3 -2
@@ -171,8 +171,9 @@ radeon_dp_aux_transfer_atom(struct drm_dreturn -E2BIG ; tx_buf[0 ] = msg->address &0xff ; - tx_buf[1 ] = msg->address >>8 ; - tx_buf[2 ] = msg->request <<4 ; + tx_buf[1 ] = (msg->address >>8 ) &0xff ; + 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-radeon-atom-send-out-the-full-aux-address.patch queue-4.2/drm-i915-check-dp-link-status-on-long-hpd-too.patch queue-4.2/drm-i915-allow-dsi-dual-link-to-be-configured-on-any-pipe.patch