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1bb9e632a0
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Daniel Vetter 1bb9e632a0 drm/i915: Only unbind vgacon, not other console drivers 
The console subsystem only provides a function to switch to a given
console, but we want to actually only switach away from vgacon.
Unconditionally switching to the dummy console resulted in switching
away from fbcon in multi-gpu setups when other gpu drivers are loaded
before i915.

Then either the reinitialization of fbcon when i915 registers its
fbdev emulation or the teardown of the fbcon driver killed the
machine. So only switch to the dummy console when it's required.

Kudos to Chris for the original idea, I've only refined it a bit to
still unregister vgacon even when it's currently unused.

This regression has been introduced in

commit a4de05268e
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Jun 5 16:20:46 2014 +0200

    drm/i915: Kick out vga console

Reported-and-tested-by: Ed Tomlinson <edt@aei.ca>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-07-09 09:52:13 +02:00
..
dvo_ch7xxx.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_ch7017.c
dvo_ivch.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_ns2501.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_sil164.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo_tfp410.c drm/i915: Remove spurious semicolons 2014-04-09 21:54:33 +02:00
dvo.h
i915_cmd_parser.c drm/i915: s/intel_ring_buffer/intel_engine_cs 2014-05-22 23:01:05 +02:00
i915_debugfs.c drm/i915: Hold the table lock whilst walking the file's idr and counting the objects in debugfs 2014-06-24 15:00:48 +03:00
i915_dma.c drm/i915: Only unbind vgacon, not other console drivers 2014-07-09 09:52:13 +02:00
i915_drv.c drm/i915: BDW: Adding missing cursor offsets. 2014-06-05 16:10:29 +02:00
i915_drv.h drm/i915: quirk asserts controllable backlight presence, overriding VBT 2014-07-09 09:50:05 +02:00
i915_gem_context.c drm/i915: Only mark the ctx as initialised after a SET_CONTEXT operation 2014-06-24 14:48:41 +03:00
i915_gem_debug.c drm/i915: prefer struct drm_i915_private to drm_i915_private_t 2014-03-31 15:34:21 +02:00
i915_gem_dmabuf.c drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl 2014-05-16 19:31:29 +02:00
i915_gem_evict.c drm/i915: Prevent negative relocation deltas from wrapping 2014-05-27 11:18:40 +03:00
i915_gem_execbuffer.c Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next 2014-06-05 20:28:59 +10:00
i915_gem_gtt.c Merge remote-tracking branch 'drm-intel/topic/kicking-dogs-and-vgacon' into drm-intel-fixes 2014-06-11 11:38:41 +03:00
i915_gem_gtt.h drm/i915: s/i915_hw_context/intel_context 2014-05-22 23:41:17 +02:00
i915_gem_render_state.c drm/i915: s/intel_ring_buffer/intel_engine_cs 2014-05-22 23:01:05 +02:00
i915_gem_stolen.c drm/i915: Don't clobber the GTT when it's within stolen memory 2014-07-09 09:52:13 +02:00
i915_gem_tiling.c drm/i915: prefer struct drm_i915_private to drm_i915_private_t 2014-03-31 15:34:21 +02:00
i915_gem_userptr.c drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl 2014-05-16 19:31:29 +02:00
i915_gem.c Merge tag 'drm-intel-fixes-2014-06-06' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-06-06 19:07:09 +10:00
i915_gpu_error.c drm/i95: Initialize active ring->pid to -1 2014-06-11 11:06:43 +03:00
i915_ioc32.c drm: Remove DRM_ARRAY_SIZE() for ARRAY_SIZE() 2014-06-10 09:36:17 +10:00
i915_irq.c Merge tag 'drm-intel-fixes-2014-06-17' of git://anongit.freedesktop.org/drm-intel into drm-next 2014-06-19 10:54:35 +10:00
i915_params.c drm/i915: Add debug module option for VTd validation 2014-04-03 11:23:11 +02:00
i915_reg.h drm/i915: Don't clobber the GTT when it's within stolen memory 2014-07-09 09:52:13 +02:00
i915_suspend.c drm/i915: disable GT power saving early during system suspend 2014-05-22 21:53:27 +02:00
i915_sysfs.c drm/i915: s/i915_hw_context/intel_context 2014-05-22 23:41:17 +02:00
i915_trace_points.c
i915_trace.h drm/i915: s/intel_ring_buffer/intel_engine_cs 2014-05-22 23:01:05 +02:00
i915_ums.c drm/i915: Only restore backlight combination mode reg for ums 2014-01-24 17:22:45 +01:00
intel_acpi.c
intel_bios.c drm/i915: default to having backlight if VBT not available 2014-06-23 16:08:20 +03:00
intel_bios.h drm/i915: Detect if MIPI panel based on VBT and initialize only if present 2014-06-05 08:52:33 +02:00
intel_crt.c drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
intel_ddi.c drm/i915: grab the audio power domain when enabling audio on HSW+ 2014-05-22 15:06:33 +02:00
intel_display.c drm/i915: Toshiba CB35 has a controllable backlight 2014-07-09 09:51:01 +02:00
intel_dp.c Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next 2014-06-05 20:28:59 +10:00
intel_drv.h drm/i915: cache hw power well enabled state 2014-06-23 10:02:03 +03:00
intel_dsi_cmd.c drm/i915/vlv: DPI FIFO empty check is not needed 2014-07-09 09:51:53 +02:00
intel_dsi_cmd.h drm/i915: Send DPI command explicitely in LP mode 2014-04-09 21:54:30 +02:00
intel_dsi_panel_vbt.c drm/i915: Add support for Generic MIPI panel driver 2014-06-05 08:52:32 +02:00
intel_dsi_pll.c
intel_dsi.c drm/i915/vlv: Update the DSI ULPS entry/exit sequence 2014-07-09 09:52:04 +02:00
intel_dsi.h drm/i915: Add support for Generic MIPI panel driver 2014-06-05 08:52:32 +02:00
intel_dvo.c drm/i915: replace drm_get_connector_name() with direct name field use 2014-06-04 13:14:37 +10:00
intel_fbdev.c Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next 2014-06-05 20:28:59 +10:00
intel_hdmi.c drm/i915: replace drm_get_connector_name() with direct name field use 2014-06-04 13:14:37 +10:00
intel_i2c.c drm/i915: Disable dp aux irq on g4x 2014-02-07 16:40:07 +01:00
intel_lvds.c drm/i915: replace drm_get_connector_name() with direct name field use 2014-06-04 13:14:37 +10:00
intel_modes.c
intel_opregion.c drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
intel_overlay.c Merge commit '9e9a928eed8796a0a1aaed7e0b676db86ba84594' into drm-next 2014-06-05 20:28:59 +10:00
intel_panel.c drm/i915: quirk asserts controllable backlight presence, overriding VBT 2014-07-09 09:50:05 +02:00
intel_pm.c Merge tag 'drm-intel-fixes-2014-07-03' of git://anongit.freedesktop.org/drm-intel 2014-07-06 07:49:59 +10:00
intel_renderstate_gen6.c drm/i915: add null render states for gen6, gen7 and gen8 2014-05-14 19:17:08 +02:00
intel_renderstate_gen7.c drm/i915: add null render states for gen6, gen7 and gen8 2014-05-14 19:17:08 +02:00
intel_renderstate_gen8.c drm/i915: add null render states for gen6, gen7 and gen8 2014-05-14 19:17:08 +02:00
intel_renderstate.h drm/i915: add render state initialization 2014-05-14 19:16:13 +02:00
intel_ringbuffer.c drm/i915: Don't WARN about ring idle bit on gen2 2014-06-05 08:52:41 +02:00
intel_ringbuffer.h drm/i915: Reorder semaphore deadlock check 2014-06-11 11:06:43 +03:00
intel_sdvo_regs.h
intel_sdvo.c drm/i915: Avoid div-by-zero when pixel_multiplier is zero 2014-06-11 11:06:43 +03:00
intel_sideband.c drm/i915: vlv/chv: fix DSI sideband register accessing 2014-05-19 17:50:14 +02:00
intel_sprite.c drm/i915: Wait for vblank after enabling the primary plane on BDW 2014-06-27 17:36:11 +03:00
intel_tv.c drm: convert crtc and connection_mutex to ww_mutex (v5) 2014-06-05 09:54:33 +10:00
intel_uncore.c drm/i915: fix possible refcount leak when resetting forcewake 2014-06-11 11:06:43 +03:00
Kconfig drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl 2014-05-16 19:31:29 +02:00
Makefile drm/i915: Add support for Generic MIPI panel driver 2014-06-05 08:52:32 +02:00