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linux/drivers/gpu/drm
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Linus Torvalds 01e2d0627a Revert "drm/i915: Use crtc_state->active in primary check_plane func" 
This reverts commit dec4f799d0.

Jörg Otte reports a NULL pointder dereference due to this commit, as
'crtc_state' very much can be NULL:

        crtc_state = state->base.state ?
                intel_atomic_get_crtc_state(state->base.state, intel_crtc) : NULL;

So the change to test 'crtc_state->base.active' cannot possibly be
correct as-is.

There may be some other minimal fix (like just checking crtc_state for
NULL), but I'm just reverting it now for the rc2 release, and people
like Daniel Vetter who actually know this code will figure out what the
right solution is in the longer term.

Reported-and-bisected-by: Jörg Otte <jrg.otte@gmail.com>
Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
CC: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-12 15:00:20 -07:00
..
amd Merge tag 'drm-amdkfd-fixes-2015-07-09' of git://people.freedesktop.org/~gabbayo/linux into drm-fixes 2015-07-10 15:56:19 +10:00
armada Merge branch 'drm-armada-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-05-15 15:24:41 +10:00
ast
atmel-hlcdc
bochs drm/bochs: disable video before changing video mode 2015-04-01 08:28:15 +10:00
bridge drm/exynos: atomic dpms support 2015-06-20 00:32:52 +09:00
cirrus
exynos drm/exynos: dsi: do not set TE GPIO direction by input 2015-06-22 20:05:03 +09:00
gma500 drm/gma500: constify all struct drm_*_helper funcs pointers 2015-04-07 17:06:41 +02:00
i2c Merge branch 'drm-tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-05-29 09:19:59 +10:00
i810
i915 Revert "drm/i915: Use crtc_state->active in primary check_plane func" 2015-07-12 15:00:20 -07:00
imx Merge branch 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next 2015-04-16 08:33:30 +10:00
mga
mgag200 drm/mgag200: Reject non-character-cell-aligned mode widths 2015-06-16 10:01:16 +10:00
msm drm/msm: restart queued submits after hang 2015-06-11 13:11:06 -04:00
nouveau drm/nouveau/gem: use kvfree() in u_free() 2015-06-30 19:44:59 -07:00
omapdrm drm/omap: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN 2015-07-02 15:58:07 +03:00
panel drm/panel: simple: Add bus format for HannStar HSD100PXN1 2015-06-12 16:40:42 +02:00
qxl drm/qxl: Propagate correctly errors from qxlhw_handle_to_bo 2015-06-05 11:00:52 +10:00
r128
radeon drm/radeon: disable vce init on cayman (v2) 2015-07-09 11:40:12 -04:00
rcar-du drm: rcar-du: Use the drm atomic state duplication helpers for planes 2015-06-16 14:25:55 +03:00
rockchip drivers/gpu: include <module.h> for modular rockchip code 2015-06-16 14:12:25 -04:00
savage
shmobile
sis
sti drm/sti: vtg fix CEA-861E video format timing error 2015-06-08 15:28:28 +02:00
tdfx
tegra drm/tegra: Changes for v4.2-rc1 2015-06-18 12:53:54 +10:00
tilcdc drm/tilcdc: Add DRM_TILCDC_SLAVE_COMPAT for ti,tilcdc,slave binding support 2015-05-27 13:13:33 +03:00
ttm drm/ttm: dma: Don't crash on memory in the vmalloc range 2015-06-02 17:24:49 +10:00
udl dma-buf: cleanup dma_buf_export() to make it easily extensible 2015-04-21 14:47:16 +05:30
vgem drm/vgem: Set unique to "vgem" 2015-06-24 11:20:46 +10:00
via
virtio virtio-gpu: add locking for vbuf pool 2015-06-16 11:22:41 +02:00
vmwgfx Merge tag 'topic/drm-misc-2015-03-31' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-04-01 08:23:25 +10:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm/atomic: Don't set crtc_state->enable manually 2015-06-22 13:45:33 +02:00
drm_atomic.c drm/atomic: Extract needs_modeset function 2015-06-19 17:25:01 +02:00
drm_auth.c drm: simplify authentication management 2015-05-05 09:45:57 +02:00
drm_bridge.c drm/DocBook: Add more drm_bridge documentation 2015-05-21 13:56:51 +02:00
drm_bufs.c
drm_cache.c drm: Avoid the double clflush on the last cache line in drm_clflush_virt_range() 2015-06-19 17:25:17 +02:00
drm_context.c
drm_crtc_helper.c drm: Add drm_atomic_set_mode_for_crtc 2015-05-26 15:50:34 +02:00
drm_crtc_internal.h
drm_crtc.c drm/crtc: Fix edid length computation 2015-07-04 00:52:34 +02:00
drm_debugfs.c
drm_dma.c
drm_dp_helper.c drm: Fix for DP CTS test 4.2.2.5 - I2C DEFER handling 2015-04-20 09:29:41 -07:00
drm_dp_mst_topology.c drm/dp/mst: close deadlock in connector destruction. 2015-06-25 11:57:23 +10:00
drm_drv.c drm: Always enable atomic API 2015-06-24 11:21:35 +10:00
drm_edid_load.c drm: Add edid_corrupt flag for Displayport Link CTS 4.2.2.6 2015-05-08 13:03:46 +02:00
drm_edid.c Merge tag 'topic/drm-misc-2015-05-19' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-05-20 09:19:58 +10:00
drm_encoder_slave.c
drm_fb_cma_helper.c
drm_fb_helper.c drm/drm: constify all struct drm_*_helper funcs pointers 2015-04-07 18:11:25 +02:00
drm_flip_work.c drm/core: get rid of -Iinclude/drm 2015-05-13 11:28:22 +02:00
drm_fops.c drm/mode: Add user blob-creation ioctl 2015-05-22 16:18:28 +02:00
drm_gem_cma_helper.c drm/cma: Fix 64-bit size_t build warnings 2015-06-15 07:45:49 +02:00
drm_gem.c
drm_global.c
drm_hashtab.c
drm_info.c
drm_internal.h drm: simplify authentication management 2015-05-05 09:45:57 +02:00
drm_ioc32.c
drm_ioctl.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-06-26 13:18:51 -07:00
drm_irq.c Merge branch 'virtio-gpu-drm-next' of git://git.kraxel.org/linux into drm-next 2015-06-04 09:36:39 +10:00
drm_legacy.h
drm_lock.c
drm_memory.c
drm_mipi_dsi.c
drm_mm.c drm: clean up drm_mm debugfs output 2015-05-29 09:17:57 +10:00
drm_modes.c drm/mode: Unstatic kernel-userspace mode conversion 2015-05-22 16:18:21 +02:00
drm_modeset_lock.c drm: fix a memleak on mutex failure path 2015-05-05 09:26:43 +02:00
drm_of.c drm: use for_each_endpoint_of_node macro in drm_of_find_possible_crtcs 2015-04-08 11:14:25 +02:00
drm_panel.c
drm_pci.c
drm_plane_helper.c drm/plane-helper: Adapt cursor hack to transitional helpers 2015-05-22 08:48:08 +03:00
drm_platform.c
drm_prime.c drm: prime: Document gem_prime_mmap 2015-06-19 17:50:05 +02:00
drm_probe_helper.c Merge tag 'topic/drm-misc-2015-05-06' of git://anongit.freedesktop.org/drm-intel into drm-next 2015-05-07 13:02:39 +10:00
drm_rect.c
drm_scatter.c
drm_sysfs.c Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-06-26 13:18:51 -07:00
drm_trace_points.c
drm_trace.h tracing/drm: Remove unused TRACE_SYSTEM_STRING define 2015-04-07 12:29:23 -04:00
drm_vm.c
drm_vma_manager.c
Kconfig drm/amdgpu: add core driver (v4) 2015-06-03 21:03:15 -04:00
Makefile drm/amdgpu: add core driver (v4) 2015-06-03 21:03:15 -04:00