linux/drivers/gpu/drm/i915
Ville Syrjälä d14e7b6d1d drm/i915: Check DP link status on long hpd too
We are no longer checkling the DP link status on long hpd. We used to do
that from the .hot_plug() handler, but it was removed when MST got
introduced.

If there's no userspace we now fail to retrain the link if the sink
power is toggled (or cable yanked and replugged), meaning the user is
left staring at a blank screen. With the retraining put back that should
be fixed.

Also remove the leftover comment that referred to the old retraining
from .hot_plug().

Fixes a regression introduced in:
commit 0e32b39cee
Author: Dave Airlie <airlied@redhat.com>
Date:   Fri May 2 14:02:48 2014 +1000

    drm/i915: add DP 1.2 MST support (v0.7)

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89453
Tested-by: Palmer Dabbelt <palmer@dabbelt.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91407
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89461
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89594
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=85641
Cc: Dave Airlie <airlied@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-08-31 18:16:43 +03:00
..
dvo_ch7xxx.c
dvo_ch7017.c
dvo_ivch.c Fix resume from suspend on IBM X30 2015-06-15 12:21:01 +02:00
dvo_ns2501.c drm/i915: Enable dithering on NatSemi DVO2501 for Fujitsu S6010 2015-04-23 21:31:58 +02:00
dvo_sil164.c
dvo_tfp410.c
dvo.h
i915_cmd_parser.c drm/i915: Fix command parser table validator 2015-07-29 10:31:04 +02:00
i915_debugfs.c Merge tag 'drm-intel-next-fixes-2015-08-16' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-08-17 14:14:44 +10:00
i915_dma.c drm/i915: Fake AGP is dead 2015-07-28 13:30:00 +02:00
i915_drv.c drm/i915/skl: send opregion_nofify_adapter(PCI_D1) instead of PCI_D3 2015-08-05 10:27:41 +02:00
i915_drv.h drm/i915/skl: enable DDI-E hotplug 2015-08-26 10:24:25 +03:00
i915_gem_batch_pool.c drm/i915: Split batch pool into size buckets 2015-04-10 08:56:05 +02:00
i915_gem_batch_pool.h drm/i915: Split batch pool into size buckets 2015-04-10 08:56:05 +02:00
i915_gem_context.c drm/i915: Remove the failed context from the fpriv->context_idr 2015-08-14 17:50:41 +02:00
i915_gem_debug.c drm/i915: Implement inter-engine read-read optimisations 2015-05-21 15:11:42 +02:00
i915_gem_dmabuf.c drm/i915: remove unused has_dma_mapping flag 2015-07-13 22:42:41 +02:00
i915_gem_evict.c drm/i915: kerneldoc for i915_gem_shrinker.c 2015-03-20 11:48:16 +01:00
i915_gem_execbuffer.c Merge tag 'drm-intel-fixes-2015-07-15' into drm-intel-next-queued 2015-07-15 16:36:50 +02:00
i915_gem_fence.c drm/i915: kerneldoc for tiling IOCTL and swizzle functions 2015-07-27 10:26:30 +02:00
i915_gem_gtt.c Linux 4.2-rc7 2015-08-17 14:13:53 +10:00
i915_gem_gtt.h drm/i915/gtt: Move scratch_pd and scratch_pt into vm struct 2015-06-26 11:06:30 +02:00
i915_gem_render_state.c drm/i915: Add provision to extend Golden context batch 2015-07-21 09:30:57 +02:00
i915_gem_render_state.h drm/i915: Add provision to extend Golden context batch 2015-07-21 09:30:57 +02:00
i915_gem_shrinker.c drm/i915: Simplify object is-pinned checking for shrinker 2015-04-10 10:58:34 +02:00
i915_gem_stolen.c drm/i915: Fix build warning on 32-bit 2015-08-26 10:15:36 +03:00
i915_gem_tiling.c Merge tag 'drm-intel-fixes-2015-08-14' into drm-intel-next-fixes 2015-08-14 18:11:30 +02:00
i915_gem_userptr.c drm/i915: avoid leaking DMA mappings 2015-07-13 22:42:40 +02:00
i915_gem.c drm/i915: Keep the mm.bound_list in rough LRU order 2015-07-28 16:05:41 +02:00
i915_gpu_error.c drm/i915: Report IOMMU enabled status for GPU hangs 2015-08-14 17:50:41 +02:00
i915_guc_reg.h drm/i915: Add GuC-related header files 2015-07-21 08:38:00 +02:00
i915_ioc32.c Merge tag 'drm-intel-fixes-2015-07-15' into drm-intel-next-queued 2015-07-15 16:36:50 +02:00
i915_irq.c drm/i915/skl: enable DDI-E hotplug 2015-08-26 10:24:25 +03:00
i915_params.c drm/i915: Add GuC-related module parameters 2015-07-21 08:37:35 +02:00
i915_reg.h drm/i915/skl: enable DDI-E hotplug 2015-08-26 10:24:25 +03:00
i915_suspend.c drm/i915: use dev_priv for the FBC functions 2015-07-08 11:39:45 +02:00
i915_sysfs.c drm/i915/vlv: fix RC6 residency time calculation 2015-06-15 11:56:37 +02:00
i915_trace_points.c
i915_trace.h Merge tag 'drm-intel-fixes-2015-07-15' into drm-intel-next-queued 2015-07-15 16:36:50 +02:00
i915_vgpu.c drm/i915: Adds graphic address space ballooning logic 2015-02-13 23:28:23 +01:00
i915_vgpu.h drm/i915: Add ULL postfix to VGT_MAGIC constant 2015-03-17 22:30:18 +01:00
intel_acpi.c
intel_atomic_plane.c drm/i915: Remove transitional references from intel_plane_atomic_check. 2015-06-22 14:28:29 +02:00
intel_atomic.c drm/i915: Commit planes on each crtc separately. 2015-08-13 12:09:18 +03:00
intel_audio.c Merge tag 'drm-intel-fixes-2015-07-15' into drm-intel-next-queued 2015-07-15 16:36:50 +02:00
intel_bios.c drm/i915: Allow parsing of variable size child device entries from VBT 2015-08-24 10:34:09 +03:00
intel_bios.h drm/i915: Allow parsing of variable size child device entries from VBT 2015-08-24 10:34:09 +03:00
intel_crt.c drm/i915: Get rid of dpms handling. 2015-08-14 17:50:33 +02:00
intel_csr.c drm/i915/gen9: Removed byte swapping for csr firmware 2015-08-05 11:00:04 +02:00
intel_ddi.c drm/i915/skl: Update DDI buffer translation programming. 2015-08-26 09:55:48 +03:00
intel_display.c drm/i915: set CDCLK if DPLL0 enabled during resuming from S3 2015-08-28 20:32:02 +03:00
intel_dp_mst.c Merge tag 'drm-intel-next-fixes-2015-08-16' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-08-17 14:14:44 +10:00
intel_dp.c drm/i915: Check DP link status on long hpd too 2015-08-31 18:16:43 +03:00
intel_drv.h Merge tag 'drm-intel-next-fixes-2015-08-16' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-08-17 14:14:44 +10:00
intel_dsi_panel_vbt.c drm/i915: s/dpio_lock/sb_lock/ 2015-05-28 11:13:51 +02:00
intel_dsi_pll.c drm/i915: Changes required to enable DSI Video Mode on CHT 2015-07-03 07:39:02 +02:00
intel_dsi.c drm/i915: Get rid of dpms handling. 2015-08-14 17:50:33 +02:00
intel_dsi.h drm/i915: Use the CRC gpio for panel enable/disable 2015-07-21 09:22:43 +02:00
intel_dvo.c drm/i915: Get rid of dpms handling. 2015-08-14 17:50:33 +02:00
intel_fbc.c drm/i915: fix FBC frontbuffer tracking flushing code 2015-08-05 09:59:44 +02:00
intel_fbdev.c drm/i915: Use new drm_fb_helper functions 2015-08-06 14:13:05 +02:00
intel_fifo_underrun.c drm/i915: Check for driver readyness before handling an underrun interrupt 2015-03-04 10:04:19 +02:00
intel_frontbuffer.c drm/i915: fix FBC frontbuffer tracking flushing code 2015-08-05 09:59:44 +02:00
intel_guc_fwif.h drm/i915: Add GuC-related header files 2015-07-21 08:38:00 +02:00
intel_hdmi.c drm/i915: Get rid of dpms handling. 2015-08-14 17:50:33 +02:00
intel_hotplug.c drm/i915/skl: enable DDI-E hotplug 2015-08-26 10:24:25 +03:00
intel_i2c.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-06-26 13:18:51 -07:00
intel_lrc.c Linux 4.2-rc8 2015-08-24 16:36:42 +10:00
intel_lrc.h drm/i915: Added Programming of the MOCS 2015-07-14 17:13:14 +02:00
intel_lvds.c drm/i915: Get rid of dpms handling. 2015-08-14 17:50:33 +02:00
intel_mocs.c drm/i915: Added Programming of the MOCS 2015-07-14 17:13:14 +02:00
intel_mocs.h drm/i915: Added Programming of the MOCS 2015-07-14 17:13:14 +02:00
intel_modes.c
intel_opregion.c Merge tag 'drm-intel-fixes-2015-07-15' into drm-intel-next-queued 2015-07-15 16:36:50 +02:00
intel_overlay.c drm/i915: Update intel_ring_begin() to take a request structure 2015-06-23 14:02:29 +02:00
intel_panel.c drm/i915: Backlight control using CRC PMIC based PWM driver 2015-07-21 09:22:48 +02:00
intel_pm.c Merge tag 'topic/drm-misc-2015-07-28' into drm-intel-next-queued 2015-08-06 14:27:09 +02:00
intel_psr.c drm/i915: VLV/CHV PSR: Increase wait delay time before active PSR. 2015-08-05 10:07:44 +02:00
intel_renderstate_gen6.c
intel_renderstate_gen7.c
intel_renderstate_gen8.c
intel_renderstate_gen9.c
intel_renderstate.h
intel_ringbuffer.c drm/i915: Contain the WA_REG macro 2015-08-14 17:50:42 +02:00
intel_ringbuffer.h Merge tag 'drm-intel-fixes-2015-07-15' into drm-intel-next-queued 2015-07-15 16:36:50 +02:00
intel_runtime_pm.c drm/i915: Extract a intel_power_well_disable() function 2015-08-05 10:21:04 +02:00
intel_sdvo_regs.h
intel_sdvo.c drm/i915: Get rid of dpms handling. 2015-08-14 17:50:33 +02:00
intel_sideband.c drm/i915: s/dpio_lock/sb_lock/ 2015-05-28 11:13:51 +02:00
intel_sprite.c drm/i915: always disable irqs in intel_pipe_update_start 2015-07-15 15:06:02 +02:00
intel_tv.c drm/i915: Get rid of dpms handling. 2015-08-14 17:50:33 +02:00
intel_uncore.c Linux 4.2-rc7 2015-08-17 14:13:53 +10:00
Kconfig drm/i915: Use CONFIG_DRM_FBDEV_EMULATION 2015-08-11 14:00:29 +02:00
Makefile Merge tag 'drm-intel-next-fixes-2015-08-16' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-08-17 14:14:44 +10:00