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3f577573cd
linux/drivers/gpu/drm/i915
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Jani Nikula 3f577573cd drm/i915: do not disable backlight on vgaswitcheroo switch off 
On muxed systems, the other vgaswitcheroo client may depend on i915 to
handle the backlight. We began switching off the backlight since

commit a261b246eb
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Jul 26 19:21:47 2012 +0200

    drm/i915: disable all crtcs at suspend time

breaking backlight on discreet graphics in (some) muxed systems.

Keep the backlight on when the state is changed through vgaswitcheroo.

Note: The alternative would be to add a quirk table to achieve the same
based on system identifiers, but AFAICS it would asymptotically approach
effectively the same as this patch as more IDs are added, but with the
maintenance burden of the quirk table.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=55311
Tested-by: Fede <fedevx@yahoo.com>
Tested-by: Aximab <laurent.debian@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=59785
Tested-by: sfievet <sebastien.fievet@free.fr>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-07 11:57:09 +02:00
..
dvo_ch7xxx.c drm/i915: add support for dvo Chrontel 7010B 2013-05-20 22:02:49 +02:00
dvo_ch7017.c drm/i915/dvo: implement get_hw_state 2012-09-06 07:58:52 +02:00
dvo_ivch.c drm/i915/dvo: implement get_hw_state 2012-09-06 07:58:52 +02:00
dvo_ns2501.c drm/i915/dvo: implement get_hw_state 2012-09-06 07:58:52 +02:00
dvo_sil164.c drm/i915/dvo: implement get_hw_state 2012-09-06 07:58:52 +02:00
dvo_tfp410.c drm/i915/dvo: implement get_hw_state 2012-09-06 07:58:52 +02:00
dvo.h Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2012-10-03 23:29:23 -07:00
i915_debugfs.c drm/i915: Break up the large vsnprintf() in print_error_buffers() 2013-07-01 11:15:01 +02:00
i915_dma.c drm/i915: fix missed hunk after GT access breakage 2013-07-31 09:54:09 +10:00
i915_drv.c drm/i915: fix up gt init sequence fallout 2013-07-21 15:37:02 +02:00
i915_drv.h drm/i915: fix missed hunk after GT access breakage 2013-07-31 09:54:09 +10:00
i915_gem_context.c drm/i915: Fix context sizes on HSW 2013-07-01 11:14:54 +02:00
i915_gem_debug.c UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/ 2012-10-02 18:01:07 +01:00
i915_gem_dmabuf.c drm/i915: fix dmabuf vmap support 2013-05-01 16:09:31 +10:00
i915_gem_evict.c drm/i915: Create a gtt structure 2013-01-17 22:33:56 +01:00
i915_gem_execbuffer.c drm/i915: add batch bo to i915_add_request() 2013-06-13 17:42:16 +02:00
i915_gem_gtt.c drm/i915: Rename the gtt_list to global_list 2013-06-03 10:51:14 +02:00
i915_gem_stolen.c drm/i915: Don't try to tear down the stolen drm_mm if it's not there 2013-07-02 11:47:19 +02:00
i915_gem_tiling.c drm/i915: Increase max fence pitch limit to 256KB on IVB+ 2013-04-18 09:43:20 +02:00
i915_gem.c drm/i915: correctly restore fences with objects attached 2013-07-19 00:08:16 +02:00
i915_ioc32.c UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/ 2012-10-02 18:01:07 +01:00
i915_irq.c drm/i915: fix hpd interrupt register locking 2013-07-01 11:14:59 +02:00
i915_reg.h drm/i915: fix gen4 digital port hotplug definitions 2013-08-07 11:57:06 +02:00
i915_suspend.c Linux 3.10 2013-07-18 12:03:29 +02:00
i915_sysfs.c drm/i915: change VLV IOSF sideband accessors to not return error code 2013-05-23 23:25:42 +02:00
i915_trace_points.c
i915_trace.h drm/i915: Allow DRM_ROOT_ONLY|DRM_MASTER to submit privileged batchbuffers 2012-10-17 21:06:59 +02:00
i915_ums.c drm/i915: scrap register address storage 2013-06-10 19:54:14 +02:00
intel_acpi.c UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/ 2012-10-02 18:01:07 +01:00
intel_bios.c drm/i915: Organize VBT stuff inside drm_i915_private 2013-05-10 21:56:46 +02:00
intel_bios.h drm/i915: set CPT FDI RX polarity bits based on VBT 2013-04-18 09:43:31 +02:00
intel_crt.c drm/i915: document why dvo/sdvo/crt need a special dpms function 2013-05-31 20:54:04 +02:00
intel_ddi.c drm/i915: Preserve the DDI_A_4_LANES bit from the bios 2013-07-13 10:44:32 +02:00
intel_display.c drm/i915: Don't call encoder's get_config unless encoder is active 2013-08-07 11:57:09 +02:00
intel_dp.c drm/i915: fix lane bandwidth capping for DP 1.2 sinks 2013-07-09 16:35:50 +02:00
intel_drv.h drm/i915: Preserve the DDI_A_4_LANES bit from the bios 2013-07-13 10:44:32 +02:00
intel_dvo.c drm/i915: document why dvo/sdvo/crt need a special dpms function 2013-05-31 20:54:04 +02:00
intel_fb.c Merge tag 'drm-intel-next-2013-06-18' of git://people.freedesktop.org/~danvet/drm-intel into drm-next 2013-06-28 09:50:34 +10:00
intel_hdmi.c drm/i915: fix hdmi portclock limits 2013-07-23 08:38:39 +02:00
intel_i2c.c drm/i915: avoid premature DP AUX timeouts 2013-05-22 13:51:26 +02:00
intel_lvds.c Merge tag 'drm-intel-fixes-2013-07-22' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes 2013-07-22 16:14:26 +10:00
intel_modes.c drm/i915: Add "Automatic" mode for the "Broadcast RGB" property 2013-01-20 13:09:44 +01:00
intel_opregion.c drm/i915: tune down DIDL warning about too many outputs 2013-07-01 11:14:42 +02:00
intel_overlay.c drm/i915: change i915_add_request to macro 2013-06-13 17:42:15 +02:00
intel_panel.c drm/i915: do not disable backlight on vgaswitcheroo switch off 2013-08-07 11:57:09 +02:00
intel_pm.c drm/i915: update last_vblank when disabling the power well 2013-08-07 11:57:06 +02:00
intel_ringbuffer.c drm/i915: fix up ring cleanup for the i830/i845 CS tlb w/a 2013-07-09 16:31:49 +02:00
intel_ringbuffer.h drm/i915: store ring hangcheck action 2013-06-13 17:42:17 +02:00
intel_sdvo_regs.h drm/i915: clear the entire sdvo infoframe buffer 2012-10-24 15:12:48 +02:00
intel_sdvo.c Merge tag 'drm-intel-next-2013-06-18' of git://people.freedesktop.org/~danvet/drm-intel into drm-next 2013-06-28 09:50:34 +10:00
intel_sideband.c drm/i915: change VLV IOSF sideband accessors to not return error code 2013-05-23 23:25:42 +02:00
intel_sprite.c drm/i915: Disable/restore all sprite planes around modeset 2013-06-06 13:47:39 +02:00
intel_tv.c drm/i915: consolidate and tighten encoder cloning checks 2013-06-05 12:33:14 +02:00
Makefile drm/i915: group sideband register accessors to a new file 2013-05-23 23:24:03 +02:00