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 <stable@xxxxxxxxxxxxxxx> know about it. >From 3f8340cc72c9a1a4b49bce7802afd7f248400ef5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@xxxxxxxxxxxxxxx> Date: Thu, 27 Aug 2015 17:23:31 +0300 Subject: drm/radeon/atom: Send out the full AUX address MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@xxxxxxxxxxxxxxx> commit 3f8340cc72c9a1a4b49bce7802afd7f248400ef5 upstream. AUX addresses are 20 bits long. Send out the entire address instead of just the low 16 bits. Cc: Alex Deucher <alexander.deucher@xxxxxxx> Cc: "Christian König" <christian.koenig@xxxxxxx> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/radeon/atombios_dp.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -171,8 +171,9 @@ radeon_dp_aux_transfer_atom(struct drm_d return -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 ville.syrjala@xxxxxxxxxxxxxxx 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 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html