AuxXxilium/linux_dsm_epyc7002
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c1b2f69f81
linux_dsm_epyc7002/drivers/gpu/drm/vmwgfx
History
Dave Airlie 466e69b8b0 drm: move pci bus master enable into driver. 
The current enabling of bus mastering in the drm midlayer allows a large
race condition under kexec. When a kexec'ed kernel re-enables bus mastering
for the GPU, previously setup dma blocks may cause writes to random pieces
of memory. On radeon the writeback mechanism can cause these sorts of issues.

This patch doesn't fix the problem, but it moves the bus master enable under
the individual drivers control so they can move enabling it until later in
their load cycle and close the race.

Fix for radeon kms driver will be in a follow-up patch.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-02-16 18:31:07 +00:00
..
Kconfig vmwgfx: Take the driver out of staging 2011-10-11 13:06:36 +01:00
Makefile vmwgfx: Add screen object support 2011-10-05 10:17:14 +01:00
svga3d_reg.h vmwgfx: Update register files to latest from vmware-sdk 2011-10-05 10:17:08 +01:00
svga_escape.h vmwgfx: Update register files to latest from vmware-sdk 2011-10-05 10:17:08 +01:00
svga_overlay.h vmwgfx: Update register files to latest from vmware-sdk 2011-10-05 10:17:08 +01:00
svga_reg.h vmwgfx: Update register files to latest from vmware-sdk 2011-10-05 10:17:08 +01:00
svga_types.h drm/vmwgfx: Add svga headers for vmwgfx driver 2009-12-15 08:38:36 +10:00
vmwgfx_buffer.c drm/ttm: isolate dma data from ttm_tt V4 2011-12-06 10:40:02 +00:00
vmwgfx_dmabuf.c vmwgfx: Fix up query processing 2011-10-05 10:17:22 +01:00
vmwgfx_drv.c drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
vmwgfx_drv.h drm/vmwgfx: Bump driver minor 2012-02-13 12:01:37 +00:00
vmwgfx_execbuf.c vmwgfx: Make it possible to get fence from execbuf 2012-02-13 12:01:33 +00:00
vmwgfx_fb.c vmwgfx: Pick up the initial size from the width and height regs 2012-02-13 12:01:35 +00:00
vmwgfx_fence.c vmwgfx: Clean up pending event references to struct drm_file objects on close 2012-02-13 12:01:32 +00:00
vmwgfx_fence.h vmwgfx: Move function declaration to correct header 2012-02-13 12:01:36 +00:00
vmwgfx_fifo.c vmwgfx: Use the revised fifo hw version register when present 2011-12-19 14:06:00 +00:00
vmwgfx_gmr.c vmwgfx: Implement GMR2 2011-09-01 09:39:25 +01:00
vmwgfx_gmrid_manager.c vmwgfx: Restrict number of GMR pages to device limit 2011-09-01 09:38:07 +01:00
vmwgfx_ioctl.c vmwgfx: Remove dmabuf check in present ioctl 2011-12-19 14:06:01 +00:00
vmwgfx_irq.c vmwgfx: Add fence events 2011-10-10 15:46:55 +01:00
vmwgfx_kms.c vmwgfx: Add page flip support 2012-02-13 12:01:35 +00:00
vmwgfx_kms.h vmwgfx: Add page flip support 2012-02-13 12:01:35 +00:00
vmwgfx_ldu.c vmwgfx: Pick up the initial size from the width and height regs 2012-02-13 12:01:35 +00:00
vmwgfx_marker.c vmwgfx: Fix confusion caused by using "fence" in various places 2011-09-06 11:48:40 +01:00
vmwgfx_overlay.c vmwgfx: minor dmabuf utilities cleanup 2011-10-05 10:17:20 +01:00
vmwgfx_reg.h drm/vmwgfx: Add DRM driver for VMware Virtual GPU 2009-12-15 08:38:43 +10:00
vmwgfx_resource.c Merge remote-tracking branch 'pfdo/drm-fixes' into drm-core-next 2011-12-21 09:50:56 +00:00
vmwgfx_scrn.c vmwgfx: Pick up the initial size from the width and height regs 2012-02-13 12:01:35 +00:00
vmwgfx_ttm_glue.c vmwgfx: Remove the possibility to map the fifo from user-space 2011-09-06 11:48:34 +01:00