This is a note to let you know that I've just added the patch titled
drm/radeon/atom: fix dithering on certain panels
to the 3.14-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-fix-dithering-on-certain-panels.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 642528355c694f5ed68f6bff9ff520326a249f99 Mon Sep 17 00:00:00 2001
From: Alex Deucher <[email protected]>
Date: Tue, 27 May 2014 16:40:51 -0400
Subject: drm/radeon/atom: fix dithering on certain panels
From: Alex Deucher <[email protected]>
commit 642528355c694f5ed68f6bff9ff520326a249f99 upstream.
We need to specify the encoder mode as LVDS for eDP
when using the Crtc_Source atom table in order to properly
set up the FMT hardware.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=73911
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/atombios_encoders.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1898,8 +1898,11 @@ atombios_set_encoder_crtc_source(struct
args.v2.ucEncodeMode =
ATOM_ENCODER_MODE_CRT;
else
args.v2.ucEncodeMode =
atombios_get_encoder_mode(encoder);
- } else
+ } else if (radeon_encoder->devices &
(ATOM_DEVICE_LCD_SUPPORT)) {
+ args.v2.ucEncodeMode = ATOM_ENCODER_MODE_LVDS;
+ } else {
args.v2.ucEncodeMode =
atombios_get_encoder_mode(encoder);
+ }
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
Patches currently in stable-queue which might be from [email protected]
are
queue-3.14/drm-radeon-only-apply-hdmi-bpc-pll-flags-when-encoder-mode-is-hdmi.patch
queue-3.14/drm-radeon-dpm-fix-typo-in-vddci-setup-for-eg-btc.patch
queue-3.14/drm-radeon-dpm-fix-vddci-setup-typo-on-cayman.patch
queue-3.14/drm-radeon-dp-fix-lane-clock-setup-for-dp-1.2-capable-devices.patch
queue-3.14/drm-radeon-fix-typo-in-radeon_connector_is_dp12_capable.patch
queue-3.14/drm-radeon-cik-fix-typo-in-eop-packet.patch
queue-3.14/drm-radeon-atom-fix-dithering-on-certain-panels.patch
queue-3.14/vgaswitcheroo-switch-the-mux-to-the-igp-on-power-down-when.patch
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