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alistair23-linux/drivers/gpu/drm/i915
Jani Nikula 7383123647 Revert "drm/i915: skip modeset if compatible for everyone."
This reverts

commit 6764e9f872
Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date:   Thu Aug 27 15:44:06 2015 +0200

    drm/i915: skip modeset if compatible for everyone.

Bring back the i915.fastboot module parameter, disabled by default, due
to backlight regression on Chromebook Pixel 2015.

Apparently the firmware of the Chromebook in question enables the panel
but disables backlight to avoid a brief garbage scanout upon loading the
kernel/module. With fastboot, we leave the backlight untouched, in this
case disabled. The user would have to do a modeset (i.e. not just crank
up the brightness) to enable the backlight.

There is no clean fix readily available, so get back to the drawing
board by reverting.

[N.B. The reference below is for when the thread was included on public
lists, and some of the context had already been dropped by then.]

Reported-and-tested-by: Olof Johansson <olof@lixom.net>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
References: http://marc.info/?i=CAKMK7uES7xk05ki92oeX6gmvZWAh9f2vL7yz=6T+fGK9J3X7cQ@mail.gmail.com
Fixes: 6764e9f872 ("drm/i915: skip modeset if compatible for everyone.")
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447921590-3785-1-git-send-email-jani.nikula@intel.com
2015-11-19 10:38:09 +02:00
..
Kconfig
Makefile
dvo.h drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo_ch7xxx.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo_ch7017.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo_ivch.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo_ns2501.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo_sil164.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
dvo_tfp410.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
i915_cmd_parser.c drm/i915: Add GEN7_GPGPU_DISPATCHDIMX/Y/Z to the register whitelist 2015-10-06 10:40:22 +02:00
i915_debugfs.c Merge tag 'drm-intel-next-fixes-2015-10-22' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-10-30 09:45:33 +10:00
i915_dma.c drm/i915: Fix locking around GuC firmware load 2015-11-04 13:23:15 +10:00
i915_drv.c drm/i915/guc: Add host2guc notification for suspend and resume 2015-10-06 10:32:22 +02:00
i915_drv.h Revert "drm/i915: skip modeset if compatible for everyone." 2015-11-19 10:38:09 +02:00
i915_gem.c drm/i915: get runtime PM reference around GEM set_caching IOCTL 2015-11-16 15:32:08 +02:00
i915_gem_batch_pool.c
i915_gem_batch_pool.h
i915_gem_context.c drm/i915: Remove wrong warning from i915_gem_context_clean 2015-10-09 10:19:48 +02:00
i915_gem_debug.c
i915_gem_dmabuf.c
i915_gem_evict.c drm/i915: Remove dead i915_gem_evict_everything() 2015-10-07 16:05:40 +02:00
i915_gem_execbuffer.c drm/i915: Kill DRI1 cliprects 2015-10-07 16:05:41 +02:00
i915_gem_fence.c Merge tag 'drm-intel-next-2015-10-10' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-10-20 09:00:01 +10:00
i915_gem_gtt.c drm/i915: restore ggtt double-bind avoidance 2015-10-15 15:28:11 +02:00
i915_gem_gtt.h drm/i915: prevent out of range pt in the PDE macros (take 3) 2015-10-06 14:15:29 +02:00
i915_gem_render_state.c
i915_gem_render_state.h
i915_gem_shrinker.c drm/i915: Fix kerneldoc for i915_gem_shrink_all 2015-10-13 16:21:03 +03:00
i915_gem_stolen.c drm/i915: Determine the stolen memory base address on gen2 2015-10-09 10:14:43 +02:00
i915_gem_tiling.c
i915_gem_userptr.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-11-10 09:33:06 -08:00
i915_gpu_error.c drm/i915: rename INSTDONE1 to GEN4_INSTDONE1 2015-10-02 14:25:19 +02:00
i915_guc_reg.h drm/i915: Parametrize UOS_RSA_SCRATCH 2015-09-30 10:20:13 +02:00
i915_guc_submission.c drm/i915/guc: Add host2guc notification for suspend and resume 2015-10-06 10:32:22 +02:00
i915_ioc32.c
i915_irq.c Merge tag 'drm-intel-next-fixes-2015-11-06' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-11-07 17:16:59 +10:00
i915_params.c Revert "drm/i915: skip modeset if compatible for everyone." 2015-11-19 10:38:09 +02:00
i915_reg.h drm/i915: Parametrize and fix SWF registers 2015-10-13 13:20:38 +02:00
i915_suspend.c drm/i915: Parametrize and fix SWF registers 2015-10-13 13:20:38 +02:00
i915_sysfs.c drm/i915/bxt: fix RC6 residency time calculation 2015-09-30 17:15:13 +02:00
i915_trace.h drm/i915: Add a tracepoint for the shrinker 2015-10-07 16:05:38 +02:00
i915_trace_points.c
i915_vgpu.c
i915_vgpu.h
intel_acpi.c drm/i915: Drop unnecessary #include <linux/vga_switcheroo.h> 2015-10-13 10:18:38 +02:00
intel_atomic.c drm/i915: revert a few more watermark commits 2015-10-13 13:59:55 +02:00
intel_atomic_plane.c drm/i915: Do not handle a null plane state. 2015-09-10 18:27:17 +02:00
intel_audio.c drm/i915: Use round to closest when computing the CEA 1.001 pixel clocks 2015-10-19 17:56:02 +02:00
intel_bios.c i915: switch from acpi_os_ioremap to memremap 2015-10-13 10:22:45 +02:00
intel_bios.h drm/i915: Ignore "digital output" and "not HDMI output" bits for eDP detection 2015-09-23 16:58:29 +02:00
intel_crt.c drm/i915: Consider SPLL as another shared pll, v2. 2015-11-18 15:08:31 +02:00
intel_csr.c drm/i915/skl: Added a check for the hardware status of csr fw before loading. 2015-09-30 10:14:22 +02:00
intel_ddi.c drm/i915: Consider SPLL as another shared pll, v2. 2015-11-18 15:08:31 +02:00
intel_display.c Revert "drm/i915: skip modeset if compatible for everyone." 2015-11-19 10:38:09 +02:00
intel_dp.c drm/i915: Throw out some useless variables 2015-10-13 13:20:50 +02:00
intel_dp_mst.c Merge tag 'drm-intel-next-2015-10-10' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-10-20 09:00:01 +10:00
intel_drv.h drm/i915: revert a few more watermark commits 2015-10-13 13:59:55 +02:00
intel_dsi.c drm/i915/bxt: get DSI pixelclock 2015-10-02 14:45:51 +02:00
intel_dsi.h drm/i915/bxt: get DSI pixelclock 2015-10-02 14:45:51 +02:00
intel_dsi_panel_vbt.c
intel_dsi_pll.c drm/i915/bxt: vlv_dsi_reset_clocks() can be static 2015-10-06 10:57:06 +02:00
intel_dvo.c drm/i915: Constify adjusted_mode 2015-09-30 10:20:11 +02:00
intel_fbc.c drm/i915: fix FBC buffer size checks 2015-10-09 09:35:50 +02:00
intel_fbdev.c drm/i915: don't allocate fbcon from stolen memory if it's too big 2015-10-09 09:31:58 +02:00
intel_fifo_underrun.c
intel_frontbuffer.c
intel_guc.h drm/i915/guc: Add host2guc notification for suspend and resume 2015-10-06 10:32:22 +02:00
intel_guc_fwif.h drm/i915/guc: Add host2guc notification for suspend and resume 2015-10-06 10:32:22 +02:00
intel_guc_loader.c drm/i915: Fix locking around GuC firmware load 2015-11-04 13:23:15 +10:00
intel_hdmi.c drm/i915: Parametrize HSW video DIP data registers 2015-10-13 13:15:50 +02:00
intel_hotplug.c Revert "drm/i915: Call encoder hotplug for init and resume cases" 2015-10-08 21:51:57 +02:00
intel_i2c.c drm/i915: Include gpio_mmio_base in GMBUS reg defines 2015-10-13 13:16:09 +02:00
intel_lrc.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-11-10 09:33:06 -08:00
intel_lrc.h Merge commit '06d1ee32a4d25356a710b49d5e95dbdd68bdf505' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next 2015-10-16 10:25:28 +10:00
intel_lvds.c drm/i915: Clean up LVDS register handling 2015-10-13 13:21:15 +02:00
intel_mocs.c
intel_mocs.h
intel_modes.c drm/i915: Add HDMI aspect ratio property for SDVO 2015-09-30 10:20:12 +02:00
intel_opregion.c i915: switch from acpi_os_ioremap to memremap 2015-10-13 10:22:45 +02:00
intel_overlay.c
intel_panel.c drm/i915: disable CPU PWM also on LPT/SPT backlight disable 2015-10-28 19:10:37 +02:00
intel_pm.c drm/i915: Fix gpu frequency change tracing 2015-11-18 11:22:07 +02:00
intel_psr.c drm/i915: Parametrize HSW video DIP data registers 2015-10-13 13:15:50 +02:00
intel_renderstate.h
intel_renderstate_gen6.c
intel_renderstate_gen7.c
intel_renderstate_gen8.c
intel_renderstate_gen9.c
intel_ringbuffer.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-11-10 09:33:06 -08:00
intel_ringbuffer.h
intel_runtime_pm.c Merge tag 'drm-intel-next-fixes-2015-11-06' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-11-07 17:16:59 +10:00
intel_sdvo.c Revert "drm/i915: Call encoder hotplug for init and resume cases" 2015-10-08 21:51:57 +02:00
intel_sdvo_regs.h
intel_sideband.c
intel_sprite.c drm/i915: Kill the leftover RMW from ivb_sprite_disable() 2015-10-15 18:45:52 +02:00
intel_tv.c Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next 2015-09-30 08:47:41 +02:00
intel_uncore.c drm/i915: Do graphics device reset under forcewake 2015-11-05 15:31:07 +02:00