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11825b0dba
linux_dsm_epyc7002/drivers/gpu/drm
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Ville Syrjälä 11825b0dba drm/i915: Enable GSE interrupt on BDW+ 
We've never actually enabled or unmasked the GSE interrupt on BDW+,
even though the interrupt handler was always prepared for it.
Let's enable it and see what happens.

Credit to Mark Kettenis who fixed this in the OpenBSD fork of the
driver. He reports that it fixed the "ACPI _BCM/_BCQ-based
brightness mechanism on a MacBookPro12,1 and a 3rd gen Lenovo X1
Carbon" for them.

Mark says:
"FWIW, this *is* needed if you want ACPI-based backlight control to
 work.  On Linux you probably don't notice, since "hardware" backlight
 control is preferred over "firmware" or "platform" backlight control.

 It would help me if this did land in the Linux tree though, as it will
 make future imports of the i915 driver into OpenBSD easier."

So even though we don't really need this, let's put it in to help Mark
with future porting efforts. Should be harmless to have it enabled in
any case.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
References: http://lists.freedesktop.org/archives/intel-gfx/2015-December/081799.html
Reported-by: Mark Kettenis <mark.kettenis@xs4all.nl>
Cc: Mark Kettenis <mark.kettenis@xs4all.nl>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463649283-28698-1-git-send-email-ville.syrjala@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>
2016-05-23 17:53:52 +03:00
..
amd drm/amd/powerplay: rewrite pp_sw_init to make code readable 2016-05-11 13:30:33 -04:00
arc drm/arcpgu: use dedicated memory area for frame buffer 2016-04-29 14:22:32 +03:00
arm drm/arm/hdlcd: Rename async to nonblock. 2016-05-02 16:36:09 +02:00
armada mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
ast drm/ttm: implement LRU add callbacks v2 2016-05-04 20:21:38 -04:00
atmel-hlcdc Merge branch 'drm-atmel-hlcdc-devel' of https://github.com/bbrezillon/linux-at91 into drm-next 2016-04-22 09:06:44 +10:00
bochs drm/ttm: implement LRU add callbacks v2 2016-05-04 20:21:38 -04:00
bridge drm/bridge: Add Analogix anx78xx support 2016-05-12 11:32:14 +02:00
cirrus drm/ttm: implement LRU add callbacks v2 2016-05-04 20:21:38 -04:00
etnaviv Merge branch 'drm-etnaviv-next' of git://git.pengutronix.de:/git/lst/linux into drm-next 2016-05-10 15:07:50 +10:00
exynos Merge tag 'topic/drm-misc-2016-05-13' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-05-17 07:06:14 +10:00
fsl-dcu drm/fsl-dcu: use bus_flags for pixel clock polarity 2016-05-05 10:09:06 -07:00
gma500 Linux 4.6-rc3 2016-04-22 08:32:51 +10:00
hisilicon drm/hisilicon: Fix DRM_INFO printed issue 2016-05-11 19:05:36 +08:00
i2c
i810
i915 drm/i915: Enable GSE interrupt on BDW+ 2016-05-23 17:53:52 +03:00
imx drm/imx: Use lockless gem BO free callback 2016-05-04 12:27:54 +02:00
mediatek drm/mediatek: Add DPI sub driver 2016-05-06 17:47:38 +02:00
mga
mgag200 drm/ttm: implement LRU add callbacks v2 2016-05-04 20:21:38 -04:00
msm drm/msm: Drop load/unload drm_driver ops 2016-05-08 10:22:19 -04:00
nouveau Linux 4.6-rc7 2016-05-09 13:49:56 +10:00
omapdrm drm/omapdrm: Rename async to nonblock. 2016-05-02 16:36:34 +02:00
panel drm/panel: simple: Add support for TPK U.S.A. LLC Fusion 7" and 10.1" panels 2016-05-12 11:32:14 +02:00
qxl Linux 4.6-rc7 2016-05-09 13:49:56 +10:00
r128
radeon Linux 4.6-rc7 2016-05-09 13:49:56 +10:00
rcar-du Merge tag 'topic/drm-misc-2016-05-04' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-05-05 09:56:30 +10:00
rockchip Merge tag 'topic/drm-misc-2016-05-04' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-05-05 09:56:30 +10:00
savage
shmobile drm/shmobile: use drm_crtc_send_vblank_event() 2016-05-02 17:04:50 +02:00
sis
sti drm/sti: include linux/seq_file.h where needed 2016-05-11 09:47:05 +02:00
sun4i drm: sun4i: tv: Add NTSC output standard 2016-04-28 10:30:05 +02:00
tdfx
tegra Merge tag 'topic/drm-misc-2016-05-13' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-05-17 07:06:14 +10:00
tilcdc drm/tilcdc: use drm_crtc_send_vblank_event() 2016-05-02 17:04:59 +02:00
ttm Linux 4.6-rc7 2016-05-09 13:49:56 +10:00
udl drm/udl: Use drm_fb_helper deferred_io support 2016-05-02 16:25:55 +02:00
vc4 Merge tag 'topic/drm-misc-2016-05-04' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-05-05 09:56:30 +10:00
vgem drm/vgem: Drop dev->struct_mutex 2016-04-20 12:58:45 +02:00
via mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
virtio Linux 4.6-rc7 2016-05-09 13:49:56 +10:00
vmwgfx Linux 4.6-rc7 2016-05-09 13:49:56 +10:00
ati_pcigart.c
drm_agpsupport.c drm: Give drm_agp_clear drm_legacy_ prefix 2016-04-27 08:41:34 +02:00
drm_atomic_helper.c drm/atomic: Add drm_atomic_helper_best_encoder() 2016-05-11 18:55:16 +02:00
drm_atomic.c drm/atomic: use connector references (v3) 2016-05-05 12:52:05 +10:00
drm_auth.c
drm_bridge.c drm: bridge: Make (pre/post) enable/disable callbacks optional 2016-03-29 08:34:05 +02:00
drm_bufs.c drm: Hide master MAP cleanup in drm_bufs.c 2016-04-27 10:14:17 +02:00
drm_cache.c
drm_context.c
drm_crtc_helper.c drm: Make drm_encoder_helper_funcs optional 2016-05-10 08:54:09 +02:00
drm_crtc_internal.h drm/mode: rework drm_mode_object_put to drm_mode_object_unregister. 2016-04-22 10:26:37 +10:00
drm_crtc.c drm/core: Do not preserve framebuffer on rmfb, v4. 2016-05-05 13:50:53 +02:00
drm_debugfs.c
drm_dma.c
drm_dp_aux_dev.c drm/dp: Allow signals to interrupt drm_aux-dev reads/writes 2016-04-28 11:48:09 +02:00
drm_dp_dual_mode_helper.c drm: Add helper for DP++ adaptors 2016-05-09 14:05:17 +03:00
drm_dp_helper.c drm/dp_helper: Perform throw-away read before actual read in drm_dp_dpcd_read() 2016-04-22 18:52:24 +02:00
drm_dp_mst_topology.c Linux 4.6-rc7 2016-05-09 13:49:56 +10:00
drm_drv.c drm: Protect dev->filelist with its own mutex 2016-04-27 10:16:17 +02:00
drm_edid_load.c drm/edid: convert to use match_string() helper 2016-03-17 15:09:34 -07:00
drm_edid.c Linux 4.6-rc7 2016-05-09 13:49:56 +10:00
drm_encoder_slave.c
drm_fb_cma_helper.c drm/fb-cma-helper: Hook up to DocBook and fix some docs 2016-05-11 18:48:10 +02:00
drm_fb_helper.c drm/fb-helper: Remove mention of CONFIG_FB_DEFERRED_IO in docs 2016-05-11 18:47:51 +02:00
drm_flip_work.c
drm_fops.c drm: Protect dev->filelist with its own mutex 2016-04-27 10:16:17 +02:00
drm_gem_cma_helper.c
drm_gem.c drm: Fixup locking WARN_ON mistake around gem_object_free_unlocked 2016-05-04 15:24:32 +02:00
drm_global.c
drm_hashtab.c
drm_info.c drm: Protect dev->filelist with its own mutex 2016-04-27 10:16:17 +02:00
drm_internal.h drm: Make drm_vm_open/close_locked private to drm_vm.c 2016-04-27 10:15:56 +02:00
drm_ioc32.c
drm_ioctl.c drm: Move drm_getmap into drm_bufs.c and give it a legacy prefix 2016-04-27 08:42:48 +02:00
drm_irq.c drm/core: Add drm_accurate_vblank_count, v5. 2016-05-19 14:33:10 +02:00
drm_kms_helper_common.c
drm_legacy.h drm: Move drm_getmap into drm_bufs.c and give it a legacy prefix 2016-04-27 08:42:48 +02:00
drm_lock.c
drm_memory.c
drm_mipi_dsi.c
drm_mm.c
drm_modes.c drm/mode: rework drm_mode_object_put to drm_mode_object_unregister. 2016-04-22 10:26:37 +10:00
drm_modeset_lock.c
drm_of.c
drm_panel.c drm/panel: Flesh out kerneldoc 2016-05-06 16:04:48 +02:00
drm_pci.c drm: Give drm_agp_clear drm_legacy_ prefix 2016-04-27 08:41:34 +02:00
drm_plane_helper.c
drm_platform.c
drm_prime.c
drm_probe_helper.c drm: probe_helper: Hide ugly ifdef 2016-04-20 13:35:14 +02:00
drm_rect.c
drm_scatter.c
drm_sysfs.c drm/sysfs: Annote lockless show functions with READ_ONCE 2016-04-26 13:23:24 +02:00
drm_trace_points.c
drm_trace.h
drm_vm.c drm: Make drm_vm_open/close_locked private to drm_vm.c 2016-04-27 10:15:56 +02:00
drm_vma_manager.c
Kconfig drm/mediatek: Add DRM Driver for Mediatek SoC MT8173. 2016-05-06 17:47:35 +02:00
Makefile Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued 2016-05-17 12:15:49 +02:00