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4694335dad
linux/drivers/gpu/drm
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Nicolai Hähnle 4694335dad drm/amdgpu: refuse to reserve io mem for split VRAM buffers 
When the fast blit path fails while attempting to move a buffer from RAM
to VRAM, we fall back to a CPU-based memcpy that cannot handle split VRAM
buffers. Instead of crashing, simply fail the buffer move.

Ideally, we would teach TTM about split buffers so that the fallback still
works in this case, but that is quite involved. So for now, apply the
simplest possible fix.

Fixes: 40361bb1704b ("drm/amdgpu: add VRAM manager v2")
Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-02-21 17:16:28 -05:00
..
amd drm/amdgpu: refuse to reserve io mem for split VRAM buffers 2017-02-21 17:16:28 -05:00
arc drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
arm drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
armada drm: Improve drm_mm search (and fix topdown allocation) with rbtrees 2017-02-03 11:10:32 +01:00
ast drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
atmel-hlcdc drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
bochs drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
bridge drm/bridge/sii8620: enable interlace modes 2017-02-02 15:15:31 +05:30
cirrus drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
etnaviv drm: Improve drm_mm search (and fix topdown allocation) with rbtrees 2017-02-03 11:10:32 +01:00
exynos Merge branch 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next 2017-02-08 11:34:56 +10:00
fsl-dcu drm/fsl-dcu: check for clk_prepare_enable() error 2017-02-07 20:28:04 -08:00
gma500 drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
hisilicon drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
i2c
i810
i915 drm: Improve drm_mm search (and fix topdown allocation) with rbtrees 2017-02-03 11:10:32 +01:00
imx drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
lib
mediatek
meson drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
mga
mgag200 drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
msm Merge branch 'msm-next' of git://people.freedesktop.org/~robclark/linux into drm-next 2017-02-07 11:05:42 +10:00
mxsfb drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
nouveau drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
omapdrm drm/omapdrm: dispc: Refuse x-decimation above 4 for all but 8-bit formats 2017-02-16 14:11:08 +02:00
panel
qxl drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
r128
radeon Merge branch 'drm-next-4.11' of git://people.freedesktop.org/~agd5f/linux into drm-next 2017-02-10 10:13:30 +10:00
rcar-du drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
rockchip drm/rockchip: Use common IOMMU API to attach devices 2017-02-15 08:52:13 +08:00
savage
selftests drm: kselftest for drm_mm and bottom-up allocation 2017-02-03 11:36:49 +01:00
shmobile
sis drm: Improve drm_mm search (and fix topdown allocation) with rbtrees 2017-02-03 11:10:32 +01:00
sti drm/sti: debug fps reset 2017-02-10 09:34:39 +01:00
sun4i drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
tdfx
tegra drm: Improve drm_mm search (and fix topdown allocation) with rbtrees 2017-02-03 11:10:32 +01:00
tilcdc drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
ttm drm/ttm: fix use-after-free races in vm fault handling 2017-02-21 16:48:45 -05:00
udl drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
vc4 drm: Improve drm_mm search (and fix topdown allocation) with rbtrees 2017-02-03 11:10:32 +01:00
vgem
via drm: Improve drm_mm search (and fix topdown allocation) with rbtrees 2017-02-03 11:10:32 +01:00
virtio drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
vmwgfx drm: Improve drm_mm search (and fix topdown allocation) with rbtrees 2017-02-03 11:10:32 +01:00
zte drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
ati_pcigart.c
drm_agpsupport.c
drm_atomic_helper.c drm/atomic: fix an error code in mode_fixup() 2017-02-08 16:15:42 +01:00
drm_atomic.c Revert "drm: Resurrect atomic rmfb code, v3" 2017-02-17 12:39:04 +10:00
drm_auth.c
drm_blend.c
drm_bridge.c
drm_bufs.c
drm_cache.c
drm_color_mgmt.c drm/color: un-inline drm_color_lut_extract() 2017-01-31 15:31:58 +02:00
drm_connector.c
drm_context.c
drm_crtc_helper_internal.h
drm_crtc_helper.c
drm_crtc_internal.h Revert "drm: Resurrect atomic rmfb code, v3" 2017-02-17 12:39:04 +10:00
drm_crtc.c
drm_debugfs_crc.c
drm_debugfs.c
drm_dma.c
drm_dp_aux_dev.c
drm_dp_dual_mode_helper.c
drm_dp_helper.c
drm_dp_mst_topology.c
drm_drv.c drm: Provide a driver hook for drm_dev_release() 2017-02-02 15:58:06 +01:00
drm_dumb_buffers.c
drm_edid_load.c
drm_edid.c drm: Clean up the 1366x768 fixup codes 2017-02-01 19:01:47 +02:00
drm_encoder_slave.c
drm_encoder.c
drm_fb_cma_helper.c drm: Rely on mode_config data for fb_helper initialization 2017-02-02 19:12:00 +01:00
drm_fb_helper.c drm: Cancel drm_fb_helper_resume_work on unload 2017-02-08 16:15:42 +01:00
drm_flip_work.c
drm_fops.c
drm_fourcc.c
drm_framebuffer.c Revert "drm: Resurrect atomic rmfb code, v3" 2017-02-17 12:39:04 +10:00
drm_gem_cma_helper.c
drm_gem.c
drm_global.c
drm_hashtab.c
drm_info.c
drm_internal.h
drm_ioc32.c
drm_ioctl.c
drm_irq.c
drm_kms_helper_common.c
drm_legacy.h
drm_lock.c
drm_memory.c
drm_mipi_dsi.c
drm_mm.c drm: Improve drm_mm search (and fix topdown allocation) with rbtrees 2017-02-03 11:10:32 +01:00
drm_mode_config.c
drm_mode_object.c
drm_modes.c drm: Clean up the 1366x768 fixup codes 2017-02-01 19:01:47 +02:00
drm_modeset_helper.c
drm_modeset_lock.c
drm_of.c
drm_panel.c
drm_pci.c
drm_plane_helper.c
drm_plane.c
drm_platform.c
drm_prime.c drm/prime: Clarify DMA-BUF/GEM Object lifetime 2017-01-27 15:00:26 +01:00
drm_print.c
drm_probe_helper.c Merge tag 'drm-misc-next-2017-01-30' of git://anongit.freedesktop.org/git/drm-misc into drm-next 2017-02-01 08:31:09 +10:00
drm_property.c
drm_rect.c
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 drm: Improve drm_mm search (and fix topdown allocation) with rbtrees 2017-02-03 11:10:32 +01:00
Kconfig
Makefile