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aaa148ecdc
linux/drivers/gpu/drm/i915
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Damien Lespiau aaa148ecdc drm/i915: Cleanup if the EDP transcoder has a bobug input value 
In the case where the hardware has been wrongly programmed and the EDP
TRANS_DDI_FUNC_CTL register has a bogus value in its EDP Input field, we
were using the pipe variable uninitialized.

In this case, shutdown the transcoder. It will be programmed correctly
the next time we try to enabled eDP.

Note from Paulo's review: Wrong modeset sequence can easily lead to
frozen machines hence the disable_ddi call might be risky. But since
things are awry already, doesn't matter too much.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: Add note about Paulo's caution about potential hangs.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-03-23 13:27:44 +01:00
..
dvo_ch7xxx.c drm/i915/dvo-ch7xxx: fix get_hw_state 2012-10-12 10:59:11 +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 Linux 3.9-rc3 2013-03-19 09:47:30 +01:00
i915_dma.c drm/i915: Move num_pipes to intel info 2013-03-23 12:18:03 +01:00
i915_drv.c drm/i915: Introduce GEN7_FEATURES for device info 2013-03-23 12:18:04 +01:00
i915_drv.h drm/i915: Move num_pipes to intel info 2013-03-23 12:18:03 +01:00
i915_gem_context.c drm/i915: convert to idr_alloc() 2013-02-27 19:10:16 -08:00
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: handle walking compact dma scatter lists 2013-03-23 12:16:36 +01:00
i915_gem_evict.c drm/i915: Create a gtt structure 2013-01-17 22:33:56 +01:00
i915_gem_execbuffer.c drm/i915: Remove unneeded dev argument 2013-03-18 03:03:19 +01:00
i915_gem_gtt.c drm/i915: fixup pd vs pt confusion in gen6 ppgtt code 2013-03-23 12:18:03 +01:00
i915_gem_stolen.c drm/i915: set dummy page for stolen objects 2013-03-23 12:15:58 +01:00
i915_gem_tiling.c drm/i915: handle walking compact dma scatter lists 2013-03-23 12:16:36 +01:00
i915_gem.c drm/i915: create compact dma scatter lists for gem objects 2013-03-23 12:17:09 +01:00
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: Move num_pipes to intel info 2013-03-23 12:18:03 +01:00
i915_reg.h drm/i915: Implement WaSwitchSolVfFArbitrationPriority 2013-03-23 12:18:06 +01:00
i915_suspend.c drm/i915: don't save/restore PCH_LVDS on LPT 2013-03-17 21:53:10 +01:00
i915_sysfs.c drm/i915: add \n to the end of sysfs attributes 2013-02-20 01:33:44 +01:00
i915_trace_points.c drm/i915: [sparse] trivial sparse fixes 2012-04-18 10:34:49 +02:00
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: move DP save/restore into i915_ums.c 2013-01-31 11:50:04 +01:00
intel_acpi.c UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/ 2012-10-02 18:01:07 +01:00
intel_bios.c Merge branch 'drm-next-3.8' of git://people.freedesktop.org/~agd5f/linux into drm-next 2012-12-10 20:03:58 +10:00
intel_bios.h UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/ 2012-10-02 18:01:07 +01:00
intel_crt.c Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-next 2013-03-07 11:12:14 +10:00
intel_ddi.c drm/i915: Error out if we are trying to use VGA with SPLL already in use 2013-03-23 13:26:56 +01:00
intel_display.c drm/i915: Cleanup if the EDP transcoder has a bobug input value 2013-03-23 13:27:44 +01:00
intel_dp.c Linux 3.9-rc3 2013-03-19 09:47:30 +01:00
intel_drv.h Linux 3.9-rc3 2013-03-19 09:47:30 +01:00
intel_dvo.c drm/i915: rip out helper->disable noop functions 2013-02-14 00:07:54 +01:00
intel_fb.c drm/i915: Move num_pipes to intel info 2013-03-23 12:18:03 +01:00
intel_hdmi.c drm/i915: use VLV DIP routines on VLV v2 2013-03-23 12:17:59 +01:00
intel_i2c.c drm/i915: GPIO/GMBUS registers need an offset on VLV 2013-01-24 23:45:03 +01:00
intel_lvds.c Linux 3.9-rc3 2013-03-19 09:47:30 +01:00
intel_modes.c drm/i915: Add "Automatic" mode for the "Broadcast RGB" property 2013-01-20 13:09:44 +01:00
intel_opregion.c GPU/i915: Fix acpi_bus_get_device() check in drivers/gpu/drm/i915/intel_opregion.c 2013-02-01 11:01:50 +01:00
intel_overlay.c Merge tag 'drm-intel-next-2013-02-01' of git://people.freedesktop.org/~danvet/drm-intel into drm-next 2013-02-08 11:08:10 +10:00
intel_panel.c drm/i915: Move num_pipes to intel info 2013-03-23 12:18:03 +01:00
intel_pm.c drm/i915: Implement WaSwitchSolVfFArbitrationPriority 2013-03-23 12:18:06 +01:00
intel_ringbuffer.c drm/i915: Fix PIPE_CONTROL DW/QW write through global GTT on IVB+ 2013-02-20 00:21:47 +01:00
intel_ringbuffer.h Merge tag 'drm-intel-next-2012-12-21' of git://people.freedesktop.org/~danvet/drm-intel into drm-next 2013-01-17 20:34:08 +10:00
intel_sdvo_regs.h drm/i915: clear the entire sdvo infoframe buffer 2012-10-24 15:12:48 +02:00
intel_sdvo.c drm/i915: Set the VIC in AVI infoframe for SDVO 2013-03-23 12:18:05 +01:00
intel_sprite.c drm/i915: Handle untiled planes when computing their offsets 2013-02-21 21:52:08 +01:00
intel_tv.c drm/i915: rip out helper->disable noop functions 2013-02-14 00:07:54 +01:00
Makefile drm/i915: extract ums suspend/resume into i915_ums.c 2013-01-31 11:50:03 +01:00