[kernel] r19783 - in dists/sid/linux/debian: . patches patches/bugfix/x86
Ben Hutchings
benh at alioth.debian.org
Mon Jan 28 05:17:48 UTC 2013
Author: benh
Date: Mon Jan 28 05:17:46 2013
New Revision: 19783
Log:
[x86] i915: Invert backlight brightness control for various models
...including Packard Bell NCL20 (Closes: #627372)
Also allow this behaviour to be enabled via module parameter invert_brightness=1
Added:
dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-emachines-e725.patch
dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-emachines-g725.patch
dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-packard-bell-ncl20.patch
dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk_invert_brightness-for-ncr-machine.patch
dists/sid/linux/debian/patches/bugfix/x86/drm-i915-panel-invert-brightness-acer-aspire-5734z.patch
dists/sid/linux/debian/patches/bugfix/x86/drm-i915-panel-invert-brightness-via-parameter.patch
dists/sid/linux/debian/patches/bugfix/x86/drm-i915-panel-invert-brightness-via-quirk.patch
Modified:
dists/sid/linux/debian/changelog
dists/sid/linux/debian/patches/series
Modified: dists/sid/linux/debian/changelog
==============================================================================
--- dists/sid/linux/debian/changelog Mon Jan 28 04:28:29 2013 (r19782)
+++ dists/sid/linux/debian/changelog Mon Jan 28 05:17:46 2013 (r19783)
@@ -103,6 +103,10 @@
* net: Add alx driver for Atheros AR8161 and AR8162 (Closes: #699129)
- Mark as staging, since it has not been accepted upstream
* [armel/kirkwood] rtc-s35390a: add wakealarm support (Closes: #693997)
+ * [x86] i915: Invert backlight brightness control for various models
+ including Packard Bell NCL20 (Closes: #627372)
+ - Also allow this behaviour to be enabled via module parameter
+ invert_brightness=1
[ Aurelien Jarno ]
* [armhf/vexpress] Add kernel udebs.
Added: dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-emachines-e725.patch
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-emachines-e725.patch Mon Jan 28 05:17:46 2013 (r19783)
@@ -0,0 +1,26 @@
+From: Jani Nikula <jani.nikula at intel.com>
+Date: Tue, 22 Jan 2013 10:50:35 +0000
+Subject: drm/i915: add quirk to invert brightness on eMachines e725
+
+commit 01e3a8feb40e54b962a20fa7eb595c5efef5e109 upstream.
+
+Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=31522#c35
+[Note: There are more than one broken setups in the bug. This fixes one.]
+Reported-by: Martins <andrissr at inbox.lv>
+Signed-off-by: Jani Nikula <jani.nikula at intel.com>
+Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
+---
+diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
+index 44f9d8f..8575a62 100644
+--- a/drivers/gpu/drm/i915/intel_display.c
++++ b/drivers/gpu/drm/i915/intel_display.c
+@@ -8602,6 +8602,9 @@ static struct intel_quirk intel_quirks[] = {
+
+ /* Acer/eMachines G725 */
+ { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness },
++
++ /* Acer/eMachines e725 */
++ { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness },
+ };
+
+ static void intel_init_quirks(struct drm_device *dev)
Added: dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-emachines-g725.patch
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-emachines-g725.patch Mon Jan 28 05:17:46 2013 (r19783)
@@ -0,0 +1,25 @@
+From: Jani Nikula <jani.nikula at intel.com>
+Date: Tue, 22 Jan 2013 10:50:34 +0000
+Subject: drm/i915: add quirk to invert brightness on eMachines G725
+
+commit 1ffff60320879830e469e26062c18f75236822ba upstream.
+
+Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=59628
+Reported-by: Roland Gruber <post at rolandgruber.de>
+Signed-off-by: Jani Nikula <jani.nikula at intel.com>
+Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
+---
+diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
+index 7725446..44f9d8f 100644
+--- a/drivers/gpu/drm/i915/intel_display.c
++++ b/drivers/gpu/drm/i915/intel_display.c
+@@ -8599,6 +8599,9 @@ static struct intel_quirk intel_quirks[] = {
+
+ /* Acer Aspire 5734Z must invert backlight brightness */
+ { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness },
++
++ /* Acer/eMachines G725 */
++ { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness },
+ };
+
+ static void intel_init_quirks(struct drm_device *dev)
Added: dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-packard-bell-ncl20.patch
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-packard-bell-ncl20.patch Mon Jan 28 05:17:46 2013 (r19783)
@@ -0,0 +1,25 @@
+From: Jani Nikula <jani.nikula at intel.com>
+Date: Tue, 22 Jan 2013 10:50:36 +0000
+Subject: drm/i915: add quirk to invert brightness on Packard Bell NCL20
+
+commit 5559ecadad5a73b27f863e92f4b4f369501dce6f upstream.
+
+Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=44156
+Reported-by: Alan Zimmerman <alan.zimm at gmail.com>
+Signed-off-by: Jani Nikula <jani.nikula at intel.com>
+Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
+---
+diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
+index 8575a62..7262786 100644
+--- a/drivers/gpu/drm/i915/intel_display.c
++++ b/drivers/gpu/drm/i915/intel_display.c
+@@ -8605,6 +8605,9 @@ static struct intel_quirk intel_quirks[] = {
+
+ /* Acer/eMachines e725 */
+ { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness },
++
++ /* Acer/Packard Bell NCL20 */
++ { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness },
+ };
+
+ static void intel_init_quirks(struct drm_device *dev)
Added: dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk_invert_brightness-for-ncr-machine.patch
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dists/sid/linux/debian/patches/bugfix/x86/drm-i915-add-quirk_invert_brightness-for-ncr-machine.patch Mon Jan 28 05:17:46 2013 (r19783)
@@ -0,0 +1,77 @@
+From: Egbert Eich <eich at suse.de>
+Date: Sun, 14 Oct 2012 15:46:38 +0200
+Subject: DRM/i915: Add QUIRK_INVERT_BRIGHTNESS for NCR machines.
+
+commit 5f85f176c2f1c9d2a23f60ca0b99e4d0aa5a26a7 upstream.
+
+NCR machines with LVDS panels using Intel chipsets need to have the
+QUIRK_INVERT_BRIGHTNESS bit set.
+Unfortunately NCR doesn't set a meaningful subvendor/subdevice ID,
+therefore we add a DMI dependent quirk list.
+
+Signed-off-by: Egbert Eich <eich at suse.de>
+[danvet: fixup whitespace fail.]
+Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
+[bwh: Backported to 3.2:
+ - Adjust context
+ - Add #include <linux/dmi.h>]
+---
+ drivers/gpu/drm/i915/intel_display.c | 32 ++++++++++++++++++++++++++++++++
+ 1 file changed, 32 insertions(+)
+
+--- a/drivers/gpu/drm/i915/intel_display.c
++++ b/drivers/gpu/drm/i915/intel_display.c
+@@ -25,6 +25,7 @@
+ */
+
+ #include <linux/cpufreq.h>
++#include <linux/dmi.h>
+ #include <linux/module.h>
+ #include <linux/input.h>
+ #include <linux/i2c.h>
+@@ -8839,6 +8840,34 @@ struct intel_quirk {
+ void (*hook)(struct drm_device *dev);
+ };
+
++/* For systems that don't have a meaningful PCI subdevice/subvendor ID */
++struct intel_dmi_quirk {
++ void (*hook)(struct drm_device *dev);
++ const struct dmi_system_id (*dmi_id_list)[];
++};
++
++static int intel_dmi_reverse_brightness(const struct dmi_system_id *id)
++{
++ DRM_INFO("Backlight polarity reversed on %s\n", id->ident);
++ return 1;
++}
++
++static const struct intel_dmi_quirk intel_dmi_quirks[] = {
++ {
++ .dmi_id_list = &(const struct dmi_system_id[]) {
++ {
++ .callback = intel_dmi_reverse_brightness,
++ .ident = "NCR Corporation",
++ .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"),
++ DMI_MATCH(DMI_PRODUCT_NAME, ""),
++ },
++ },
++ { } /* terminating entry */
++ },
++ .hook = quirk_invert_brightness,
++ },
++};
++
+ struct intel_quirk intel_quirks[] = {
+ /* HP Compaq 2730p needs pipe A force quirk (LP: #291555) */
+ { 0x2a42, 0x103c, 0x30eb, quirk_pipea_force },
+@@ -8886,6 +8915,10 @@ static void intel_init_quirks(struct drm
+ q->subsystem_device == PCI_ANY_ID))
+ q->hook(dev);
+ }
++ for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) {
++ if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0)
++ intel_dmi_quirks[i].hook(dev);
++ }
+ }
+
+ /* Disable the VGA plane that we never use */
Added: dists/sid/linux/debian/patches/bugfix/x86/drm-i915-panel-invert-brightness-acer-aspire-5734z.patch
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dists/sid/linux/debian/patches/bugfix/x86/drm-i915-panel-invert-brightness-acer-aspire-5734z.patch Mon Jan 28 05:17:46 2013 (r19783)
@@ -0,0 +1,41 @@
+From: Carsten Emde <C.Emde at osadl.org>
+Date: Thu, 15 Mar 2012 15:56:27 +0100
+Subject: drm/i915: panel: invert brightness acer aspire 5734z
+
+commit 5a15ab5b93e4a3ebcd4fa6c76cf646a45e9cf806 upstream.
+
+Mark the Acer Aspire 5734Z that this machines requires the module to
+invert the panel backlight brightness value after reading from and prior
+to writing to the PCI configuration space.
+
+Signed-off-by: Carsten Emde <C.Emde at osadl.org>
+Acked-by: Chris Wilson <chris at chris-wilson.co.uk>
+Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
+---
+ drivers/gpu/drm/i915/intel_display.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
+index 92208f8..683002fb 100644
+--- a/drivers/gpu/drm/i915/intel_display.c
++++ b/drivers/gpu/drm/i915/intel_display.c
+@@ -9021,7 +9021,8 @@ static void quirk_ssc_force_disable(struct drm_device *dev)
+ }
+
+ /*
+- * A machine may need to invert the panel backlight brightness value
++ * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight
++ * brightness value
+ */
+ static void quirk_invert_brightness(struct drm_device *dev)
+ {
+@@ -9061,6 +9062,9 @@ struct intel_quirk intel_quirks[] = {
+
+ /* Sony Vaio Y cannot use SSC on LVDS */
+ { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable },
++
++ /* Acer Aspire 5734Z must invert backlight brightness */
++ { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness },
+ };
+
+ static void intel_init_quirks(struct drm_device *dev)
Added: dists/sid/linux/debian/patches/bugfix/x86/drm-i915-panel-invert-brightness-via-parameter.patch
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dists/sid/linux/debian/patches/bugfix/x86/drm-i915-panel-invert-brightness-via-parameter.patch Mon Jan 28 05:17:46 2013 (r19783)
@@ -0,0 +1,98 @@
+From: Carsten Emde <C.Emde at osadl.org>
+Date: Thu, 15 Mar 2012 15:56:25 +0100
+Subject: drm/i915: panel: invert brightness via parameter
+
+commit 7bd90909bbf9ce7c40e1da3d72b97b93839c188a upstream.
+
+Following the documentation of the Legacy Backlight Brightness (LBB)
+Register in the configuration space of some Intel PCI graphics adapters,
+setting the LBB register with the value 0x0 causes the backlight to be
+turned off, and 0xFF causes the backlight to be set to 100% intensity
+(http://download.intel.com/embedded/processors/Whitepaper/324567.pdf).
+The Acer Aspire 5734Z, however, turns the backlight off at 0xFF and sets
+it to maximum intensity at 0. In consequence, the screen of this systems
+becomes dark at an early boot stage which makes it unusable. The same
+inversion applies to the BLC_PWM_CTL I915 register. This problem was
+introduced in kernel version 2.6.38 when the PCI device of this system
+was first supported by the i915 KMS module.
+
+This patch adds a parameter to the i915 module to enable inversion of
+the brightness variable (i915.invert_brightness).
+
+Signed-off-by: Carsten Emde <C.Emde at osadl.org>
+Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
+Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
+---
+ Documentation/kernel-parameters.txt | 9 +++++++++
+ drivers/gpu/drm/i915/intel_panel.c | 17 +++++++++++++++++
+ 2 files changed, 26 insertions(+)
+
+diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
+index 033d4e6..9f6ba8f 100644
+--- a/Documentation/kernel-parameters.txt
++++ b/Documentation/kernel-parameters.txt
+@@ -967,6 +967,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
+ i8k.restricted [HW] Allow controlling fans only if SYS_ADMIN
+ capability is set.
+
++ i915.invert_brightness
++ [DRM] Invert the sense of the variable that is used to
++ set the brightness of the panel backlight. Normally a
++ value of 0 indicates backlight switched off, and the
++ maximum value sets the backlight to maximum brightness.
++ If this parameter is specified, a value of 0 sets the
++ backlight to maximum brightness, and the maximum value
++ switches the backlight off.
++
+ icn= [HW,ISDN]
+ Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
+
+diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
+index 230a141..c4b3f34 100644
+--- a/drivers/gpu/drm/i915/intel_panel.c
++++ b/drivers/gpu/drm/i915/intel_panel.c
+@@ -28,6 +28,7 @@
+ * Chris Wilson <chris at chris-wilson.co.uk>
+ */
+
++#include <linux/moduleparam.h>
+ #include "intel_drv.h"
+
+ #define PCI_LBPC 0xf4 /* legacy/combination backlight modes */
+@@ -191,6 +192,20 @@ u32 intel_panel_get_max_backlight(struct drm_device *dev)
+ return max;
+ }
+
++static bool i915_panel_invert_brightness;
++MODULE_PARM_DESC(invert_brightness, "Invert backlight brightness, please "
++ "report PCI device ID, subsystem vendor and subsystem device ID "
++ "to dri-devel at lists.freedesktop.org, if your machine needs it. "
++ "It will then be included in an upcoming module version.");
++module_param_named(invert_brightness, i915_panel_invert_brightness, bool, 0600);
++static u32 intel_panel_compute_brightness(struct drm_device *dev, u32 val)
++{
++ if (i915_panel_invert_brightness)
++ return intel_panel_get_max_backlight(dev) - val;
++
++ return val;
++}
++
+ u32 intel_panel_get_backlight(struct drm_device *dev)
+ {
+ struct drm_i915_private *dev_priv = dev->dev_private;
+@@ -211,6 +226,7 @@ u32 intel_panel_get_backlight(struct drm_device *dev)
+ }
+ }
+
++ val = intel_panel_compute_brightness(dev, val);
+ DRM_DEBUG_DRIVER("get backlight PWM = %d\n", val);
+ return val;
+ }
+@@ -228,6 +244,7 @@ static void intel_panel_actually_set_backlight(struct drm_device *dev, u32 level
+ u32 tmp;
+
+ DRM_DEBUG_DRIVER("set backlight PWM = %d\n", level);
++ level = intel_panel_compute_brightness(dev, level);
+
+ if (HAS_PCH_SPLIT(dev))
+ return intel_pch_panel_set_backlight(dev, level);
Added: dists/sid/linux/debian/patches/bugfix/x86/drm-i915-panel-invert-brightness-via-quirk.patch
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dists/sid/linux/debian/patches/bugfix/x86/drm-i915-panel-invert-brightness-via-quirk.patch Mon Jan 28 05:17:46 2013 (r19783)
@@ -0,0 +1,112 @@
+From: Carsten Emde <C.Emde at osadl.org>
+Date: Thu, 15 Mar 2012 15:56:26 +0100
+Subject: drm/i915: panel: invert brightness via quirk
+
+commit 4dca20efb1a9c2efefc28ad2867e5d6c3f5e1955 upstream.
+
+A machine may need to invert the panel backlight brightness value. This
+patch adds the infrastructure for a quirk to do so.
+
+Signed-off-by: Carsten Emde <C.Emde at osadl.org>
+Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
+Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
+---
+ Documentation/kernel-parameters.txt | 17 +++++++++++------
+ drivers/gpu/drm/i915/i915_drv.h | 1 +
+ drivers/gpu/drm/i915/intel_display.c | 9 +++++++++
+ drivers/gpu/drm/i915/intel_panel.c | 15 +++++++++++----
+ 4 files changed, 32 insertions(+), 10 deletions(-)
+
+diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
+index 9f6ba8f..da44999 100644
+--- a/Documentation/kernel-parameters.txt
++++ b/Documentation/kernel-parameters.txt
+@@ -967,14 +967,19 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
+ i8k.restricted [HW] Allow controlling fans only if SYS_ADMIN
+ capability is set.
+
+- i915.invert_brightness
++ i915.invert_brightness=
+ [DRM] Invert the sense of the variable that is used to
+ set the brightness of the panel backlight. Normally a
+- value of 0 indicates backlight switched off, and the
+- maximum value sets the backlight to maximum brightness.
+- If this parameter is specified, a value of 0 sets the
+- backlight to maximum brightness, and the maximum value
+- switches the backlight off.
++ brightness value of 0 indicates backlight switched off,
++ and the maximum of the brightness value sets the backlight
++ to maximum brightness. If this parameter is set to 0
++ (default) and the machine requires it, or this parameter
++ is set to 1, a brightness value of 0 sets the backlight
++ to maximum brightness, and the maximum of the brightness
++ value switches the backlight off.
++ -1 -- never invert brightness
++ 0 -- machine default
++ 1 -- force brightness inversion
+
+ icn= [HW,ISDN]
+ Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
+diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
+index c0f19f5..e7a00b7 100644
+--- a/drivers/gpu/drm/i915/i915_drv.h
++++ b/drivers/gpu/drm/i915/i915_drv.h
+@@ -295,6 +295,7 @@ enum intel_pch {
+
+ #define QUIRK_PIPEA_FORCE (1<<0)
+ #define QUIRK_LVDS_SSC_DISABLE (1<<1)
++#define QUIRK_INVERT_BRIGHTNESS (1<<2)
+
+ struct intel_fbdev;
+ struct intel_fbc_work;
+diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
+index 615b397..92208f8 100644
+--- a/drivers/gpu/drm/i915/intel_display.c
++++ b/drivers/gpu/drm/i915/intel_display.c
+@@ -9020,6 +9020,15 @@ static void quirk_ssc_force_disable(struct drm_device *dev)
+ dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE;
+ }
+
++/*
++ * A machine may need to invert the panel backlight brightness value
++ */
++static void quirk_invert_brightness(struct drm_device *dev)
++{
++ struct drm_i915_private *dev_priv = dev->dev_private;
++ dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS;
++}
++
+ struct intel_quirk {
+ int device;
+ int subsystem_vendor;
+diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
+index c4b3f34..7998ca6 100644
+--- a/drivers/gpu/drm/i915/intel_panel.c
++++ b/drivers/gpu/drm/i915/intel_panel.c
+@@ -192,15 +192,22 @@ u32 intel_panel_get_max_backlight(struct drm_device *dev)
+ return max;
+ }
+
+-static bool i915_panel_invert_brightness;
+-MODULE_PARM_DESC(invert_brightness, "Invert backlight brightness, please "
++static int i915_panel_invert_brightness;
++MODULE_PARM_DESC(invert_brightness, "Invert backlight brightness "
++ "(-1 force normal, 0 machine defaults, 1 force inversion), please "
+ "report PCI device ID, subsystem vendor and subsystem device ID "
+ "to dri-devel at lists.freedesktop.org, if your machine needs it. "
+ "It will then be included in an upcoming module version.");
+-module_param_named(invert_brightness, i915_panel_invert_brightness, bool, 0600);
++module_param_named(invert_brightness, i915_panel_invert_brightness, int, 0600);
+ static u32 intel_panel_compute_brightness(struct drm_device *dev, u32 val)
+ {
+- if (i915_panel_invert_brightness)
++ struct drm_i915_private *dev_priv = dev->dev_private;
++
++ if (i915_panel_invert_brightness < 0)
++ return val;
++
++ if (i915_panel_invert_brightness > 0 ||
++ dev_priv->quirks & QUIRK_INVERT_BRIGHTNESS)
+ return intel_panel_get_max_backlight(dev) - val;
+
+ return val;
Modified: dists/sid/linux/debian/patches/series
==============================================================================
--- dists/sid/linux/debian/patches/series Mon Jan 28 04:28:29 2013 (r19782)
+++ dists/sid/linux/debian/patches/series Mon Jan 28 05:17:46 2013 (r19783)
@@ -482,3 +482,10 @@
features/all/alx/remove-atl1c-devices-from-alx.patch
features/all/alx/mark-as-staging.patch
features/arm/rtc-s35390a-wakealarm.patch
+bugfix/x86/drm-i915-panel-invert-brightness-via-parameter.patch
+bugfix/x86/drm-i915-panel-invert-brightness-via-quirk.patch
+bugfix/x86/drm-i915-panel-invert-brightness-acer-aspire-5734z.patch
+bugfix/x86/drm-i915-add-quirk_invert_brightness-for-ncr-machine.patch
+bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-emachines-g725.patch
+bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-emachines-e725.patch
+bugfix/x86/drm-i915-add-quirk-to-invert-brightness-on-packard-bell-ncl20.patch
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