AuxXxilium/linux_dsm_epyc7002
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908764f6d0
linux_dsm_epyc7002/drivers/gpu/drm
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Imre Deak 908764f6d0 drm/i915/lspcon: Enable AUX interrupts for resume time initialization 
For LSPCON initialization during system resume we need AUX
functionality, but we call the corresponding encoder reset hook with all
interrupts disabled. Without interrupts we'll do a poll-wait for AUX
transfer completions, which adds a significant delay if the transfers
timeout/need to be retried for some reason.

Fix this by enabling interrupts before calling the reset hooks. Note
that while this will enable AUX interrupts it will keep HPD interrupts
disabled, in a similar way to the init time output setup code.

This issue existed since LSPCON support was added.

v2:
- Rebased on drm-tip.

Cc: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: David Weinehall <david.weinehall@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1480448429-27739-1-git-send-email-imre.deak@intel.com
2016-12-01 15:22:50 +02:00
..
amd drm/irq: Unexport drm_vblank_on/off 2016-11-15 23:33:48 +01:00
arc drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
arm Merge branch 'drm-tda998x-mali' of git://git.armlinux.org.uk/~rmk/linux-arm into drm-next 2016-11-17 08:55:26 +10:00
armada drm/armada: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 07:54:13 +01:00
ast drm/ast: free correct pointer in astfb_create() error paths 2016-11-14 07:45:16 +01:00
atmel-hlcdc drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
bochs drm/bochs: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 07:54:38 +01:00
bridge drm/bridge: analogix_dp: return error if transfer none byte 2016-11-16 11:16:13 +05:30
cirrus Merge tag 'topic/drm-misc-2016-11-10' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-11-11 09:28:44 +10:00
etnaviv drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
exynos drm/exynos: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 07:54:50 +01:00
fsl-dcu drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
gma500 drm/gma500: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 08:01:01 +01:00
hisilicon drm: move allocation out of drm_get_format_name() 2016-11-12 14:19:38 +01:00
i2c Merge branch 'drm-tda998x-mali' of git://git.armlinux.org.uk/~rmk/linux-arm into drm-next 2016-11-17 08:55:26 +10:00
i810 drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
i915 drm/i915/lspcon: Enable AUX interrupts for resume time initialization 2016-12-01 15:22:50 +02:00
imx drm/imx: Switch to drm_fb_cma_prepare_fb() helper 2016-11-15 08:25:06 +01:00
mediatek drm/irq: Unexport drm_vblank_count 2016-11-15 23:33:47 +01:00
mga
mgag200 Merge tag 'topic/drm-misc-2016-11-10' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-11-11 09:28:44 +10:00
msm drm/msm: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 07:58:04 +01:00
nouveau drm/nouveau: Use drm_crtc_vblank_off/on 2016-11-15 23:33:37 +01:00
omapdrm drm/omapdrm: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 07:58:15 +01:00
panel
qxl drm/qxl: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 07:55:33 +01:00
r128
radeon drm/radeon: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 07:56:52 +01:00
rcar-du Merge branch 'drm/next/du' of git://linuxtv.org/pinchartl/media into drm-next 2016-11-16 09:39:21 +10:00
rockchip drm/rockchip: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 07:56:47 +01:00
savage drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
shmobile drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
sis drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
sti Merge tag 'topic/drm-misc-2016-11-10' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-11-11 09:28:44 +10:00
sun4i Merge tag 'drm-misc-next-2016-11-16' of git://anongit.freedesktop.org/git/drm-misc into drm-next 2016-11-17 08:02:46 +10:00
tdfx drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
tegra drm/tegra: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 07:56:58 +01:00
tilcdc drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
ttm drm/ttm: fix ttm_bo_wait 2016-11-09 00:46:04 +05:30
udl drm/udl: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 07:57:59 +01:00
vc4 This pull request brings in fragment shader threading and ETC1 support 2016-11-17 09:43:56 +10:00
vgem dma-buf: Rename struct fence to dma_fence 2016-10-25 14:40:39 +02:00
via drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
virtio drm/virtio: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops 2016-11-14 07:58:10 +01:00
vmwgfx drm: move allocation out of drm_get_format_name() 2016-11-12 14:19:38 +01:00
zte drm: zte: checking for NULL instead of IS_ERR() 2016-11-15 11:00:42 +01:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm/fence: add in-fences support 2016-11-16 09:55:27 +01:00
drm_atomic.c drm/fence: add out-fences support 2016-11-16 14:36:27 +01:00
drm_auth.c
drm_blend.c drm: RIP mode_config->rotation_property 2016-10-22 10:42:11 +02:00
drm_bridge.c
drm_bufs.c
drm_cache.c
drm_color_mgmt.c drm/color: document NULL values and default settings better 2016-11-15 22:39:48 +01:00
drm_connector.c drm: Move tile group code into drm_connector.c 2016-11-15 15:30:38 +01:00
drm_context.c
drm_crtc_helper_internal.h
drm_crtc_helper.c
drm_crtc_internal.h drm/fence: add fence timeline to drm_crtc 2016-11-16 10:42:48 +01:00
drm_crtc.c drm/fence: add out-fences support 2016-11-16 14:36:27 +01:00
drm_debugfs_crc.c drm: fix sparse warnings on undeclared symbols in crc debugfs 2016-10-19 14:10:29 +03:00
drm_debugfs.c drm/atomic: add debugfs file to dump out atomic state 2016-11-08 16:38:03 -05:00
drm_dma.c
drm_dp_aux_dev.c
drm_dp_dual_mode_helper.c drm: Print some debug/error info during DP dual mode detect 2016-10-26 15:57:11 -04:00
drm_dp_helper.c Merge tag 'drm-for-v4.9' of git://people.freedesktop.org/~airlied/linux 2016-10-11 18:12:22 -07:00
drm_dp_mst_topology.c drm/dp/mst: Check peer device type before attempting EDID read 2016-10-26 18:53:44 +02:00
drm_drv.c drm: Extract drm_drv.h 2016-11-15 12:50:30 +01:00
drm_dumb_buffers.c drm: Consolidate dumb buffer docs 2016-11-15 12:51:49 +01:00
drm_edid_load.c
drm_edid.c Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued 2016-11-17 14:32:57 +01:00
drm_encoder_slave.c
drm_encoder.c
drm_fb_cma_helper.c drm/fb_cma_helper: Add drm_fb_cma_prepare_fb() helper 2016-11-14 12:43:58 +01:00
drm_fb_helper.c drm/fb-helper: fix segfaults in drm_fb_helper_debug_* 2016-11-14 07:47:34 +01:00
drm_flip_work.c
drm_fops.c drm: define drm_compat_ioctl NULL on CONFIG_COMPAT=n and reduce #ifdefs 2016-11-02 11:33:47 -04:00
drm_fourcc.c drm: move allocation out of drm_get_format_name() 2016-11-12 14:19:38 +01:00
drm_framebuffer.c drm: move allocation out of drm_get_format_name() 2016-11-12 14:19:38 +01:00
drm_gem_cma_helper.c
drm_gem.c
drm_global.c
drm_hashtab.c
drm_info.c drm: Print device information again in debugfs 2016-10-17 16:20:53 +10:00
drm_internal.h drm: drm_irq.h header cleanup 2016-11-15 23:33:48 +01:00
drm_ioc32.c
drm_ioctl.c
drm_irq.c drm/irq: Unexport drm_vblank_on/off 2016-11-15 23:33:48 +01:00
drm_kms_helper_common.c
drm_legacy.h
drm_lock.c
drm_memory.c
drm_mipi_dsi.c
drm_mm.c drm: Add stackdepot include for DRM_DEBUG_MM 2016-11-08 13:46:49 +01:00
drm_mode_config.c drm/fence: add out-fences support 2016-11-16 14:36:27 +01:00
drm_mode_object.c
drm_modes.c Revert "drm: Add aspect ratio parsing in DRM layer" 2016-11-15 15:01:42 +01:00
drm_modeset_helper.c drm: move allocation out of drm_get_format_name() 2016-11-12 14:19:38 +01:00
drm_modeset_lock.c drm: don't let crtc_ww_class leak out 2016-11-15 08:33:35 +01:00
drm_of.c drm: convert DT component matching to component_match_add_release() 2016-10-25 11:52:38 -04:00
drm_panel.c
drm_pci.c
drm_plane_helper.c drm: add helpers to go from plane state to drm_rect 2016-11-08 16:38:03 -05:00
drm_plane.c drm/fence: add in-fences support 2016-11-16 09:55:27 +01:00
drm_platform.c
drm_prime.c drm: Fix up kerneldoc for new drm_gem_dmabuf_export() 2016-10-10 11:19:42 +02:00
drm_print.c drm/print: Move kerneldoc next to definition 2016-11-15 12:55:24 +01:00
drm_probe_helper.c
drm_property.c
drm_rect.c drm: helper macros to print composite types 2016-11-08 16:38:03 -05:00
drm_scatter.c
drm_simple_kms_helper.c
drm_sysfs.c
drm_trace_points.c
drm_trace.h
drm_vm.c
drm_vma_manager.c
Kconfig drm/fence: add in-fences support 2016-11-16 09:55:27 +01:00
Makefile drm: Extract drm_mode_config.[hc] 2016-11-15 15:23:29 +01:00