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81b088ca87
linux/drivers/gpu/drm
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Ville Syrjälä 81b088ca87 drm/i915: Re-enable PCH FIO underrun reporting after pipe has been disabled 
Some hardware (IVB/HSW and CPT/PPT) have a shared error interrupt for
all the relevant underrun bits, so in order to keep the error interrupt
enabled, we need to have underrun reporting enabled on all PCH
transocders. Currently we leave the underrun reporting disabled when
the pipe is off, which means we won't get any underrun interrupts
when only a subset of the pipes are active.

Fix the problem by re-enabling the underrun reporting after the pipe has
been disabled. And to avoid the spurious underruns during pipe enable,
disable the underrun reporting before embarking on the pipe enable
sequence. So this way we have the error reporting disabled while
running through the modeset sequence.

v2: Re-enable PCH FIFO underrun reporting unconditionally on pre-HSW

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> (v1)
Link: http://patchwork.freedesktop.org/patch/msgid/1446225691-10928-1-git-send-email-ville.syrjala@linux.intel.com
2015-11-10 16:23:12 +02:00
..
amd Merge tag 'topic/drm-misc-2015-09-25' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-09-30 08:35:45 +10:00
armada
ast
atmel-hlcdc drm/atomic: Make prepare_fb/cleanup_fb only take state, v3. 2015-09-08 13:45:54 +02:00
bochs
bridge Merge branch 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-08-27 13:01:57 +10:00
cirrus
exynos Linux 4.3-rc2 2015-09-24 17:18:41 +02:00
fsl-dcu Merge tag 'topic/drm-misc-2015-09-25' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-09-30 08:35:45 +10:00
gma500 drm/gma500: Remove DP_LINK_STATUS_SIZE redefinition 2015-09-24 20:14:25 +02:00
i2c Linux 4.3-rc2 2015-09-24 17:18:41 +02:00
i810
i915 drm/i915: Re-enable PCH FIO underrun reporting after pipe has been disabled 2015-11-10 16:23:12 +02:00
imx Merge branch 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-08-27 13:01:57 +10:00
mga
mgag200 drm/mgag200: Fix driver_load error handling 2015-09-24 08:10:44 +10:00
msm Linux 4.3-rc2 2015-09-24 17:18:41 +02:00
nouveau drm: Stop using linedur_ns and pixeldur_ns for vblank timestamps 2015-09-24 20:14:21 +02:00
omapdrm drm: Spell vga_switcheroo consistently 2015-09-24 20:14:19 +02:00
panel
qxl drm/qxl: only report first monitor as connected if we have no state 2015-09-24 08:08:17 +10:00
r128
radeon Merge tag 'topic/drm-misc-2015-09-25' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-09-30 08:35:45 +10:00
rcar-du drm/atomic-helper: Add option to update planes only on active crtc 2015-09-08 13:49:08 +02:00
rockchip drm/rockchip: vop: support plane scale 2015-08-26 14:16:26 +08:00
savage
shmobile
sis
sti drm/atomic-helper: Add option to update planes only on active crtc 2015-09-08 13:49:08 +02:00
tdfx
tegra drm/tegra: Handle I2C_WRITE_STATUS_UPDATE for address only writes 2015-09-08 20:15:42 +02:00
tilcdc
ttm drm/ttm: Fix memory space allocation v2 2015-09-15 00:57:01 -07:00
udl
vgem mm: mark most vm_operations_struct const 2015-09-10 13:29:01 -07:00
via
virtio
vmwgfx Merge tag 'vmwgfx-fixes-4.3-150924' of git://people.freedesktop.org/~thomash/linux into drm-fixes 2015-09-24 18:36:04 +10:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c Linux 4.3-rc2 2015-09-24 17:18:41 +02:00
drm_atomic.c drm: drm_atomic_crtc_get_property should be static 2015-09-24 20:14:26 +02:00
drm_auth.c
drm_bridge.c
drm_bufs.c
drm_cache.c
drm_context.c
drm_crtc_helper.c
drm_crtc_internal.h
drm_crtc.c drm/core: Preserve the fb id on close. 2015-09-24 20:14:24 +02:00
drm_debugfs.c
drm_dma.c
drm_dp_helper.c Linux 4.3-rc2 2015-09-24 17:18:41 +02:00
drm_dp_mst_topology.c Linux 4.2-rc8 2015-08-24 16:36:42 +10:00
drm_drv.c drm: move drm_class into drm_sysfs.c 2015-09-09 15:05:17 +02:00
drm_edid_load.c drm: Constify generic_edid_names[] 2015-09-08 13:45:52 +02:00
drm_edid.c drm: Make drm_av_sync_delay() 'mode' argument const 2015-09-09 14:53:54 +02:00
drm_encoder_slave.c
drm_fb_cma_helper.c
drm_fb_helper.c drm/fbdev: Update legacy plane->fb refcounting for atomic restore 2015-09-24 20:14:20 +02:00
drm_flip_work.c
drm_fops.c
drm_gem_cma_helper.c
drm_gem.c
drm_global.c
drm_hashtab.c
drm_info.c
drm_internal.h drm: move drm_class into drm_sysfs.c 2015-09-09 15:05:17 +02:00
drm_ioc32.c
drm_ioctl.c drm: Allow also control clients to check the drm version 2015-09-24 00:24:24 -07:00
drm_irq.c drm/irq: Add drm_crtc_vblank_count_and_time() 2015-09-24 20:27:17 +02:00
drm_legacy.h
drm_lock.c
drm_memory.c
drm_mipi_dsi.c
drm_mm.c drm/mm: Do DRM_MM_CREATE_TOP adj_start calculation after color_adjust 2015-09-08 13:45:47 +02:00
drm_modes.c
drm_modeset_lock.c drm/atomic: Make sure lock is held in trylock contexts. 2015-09-08 13:45:53 +02:00
drm_of.c
drm_panel.c
drm_pci.c
drm_plane_helper.c drm/atomic: Make prepare_fb/cleanup_fb only take state, v3. 2015-09-08 13:45:54 +02:00
drm_platform.c
drm_prime.c
drm_probe_helper.c
drm_rect.c
drm_scatter.c
drm_sysfs.c drm: move drm_class into drm_sysfs.c 2015-09-09 15:05:17 +02:00
drm_trace_points.c
drm_trace.h
drm_vm.c
drm_vma_manager.c
Kconfig Merge branch 'drm-next-fsl-dcu' of https://github.com/Jianwei-Wang/linux-drm-fsl-dcu into drm-next 2015-08-20 14:11:17 +10:00
Makefile drm/layerscape: Add Freescale DCU DRM driver 2015-08-19 22:23:04 -04:00