linux/drivers/gpu/drm/vmwgfx
Thomas Hellstrom 496eb6fd2c drm/vmwgfx: Replace the hw mutex with a hw spinlock
Fixes a case where we call vmw_fifo_idle() from within a wait function with
task state !TASK_RUNNING, which is illegal.

In addition, make the locking fine-grained, so that it is performed once
for every read- and write operation. This is of course more costly, but we
don't perform much register access in the timing critical paths anyway. Instead
we have the extra benefit of being sure that we don't forget the hw lock around
register accesses. I think currently the kms code was quite buggy w r t this.

This fixes Red Hat Bugzilla Bug 1180796

Cc: stable@vger.kernel.org
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2015-01-19 03:02:13 -08:00
..
Kconfig drm: Move plane helpers into drm_kms_helper.ko 2014-06-04 13:36:08 +10:00
Makefile drm/vmwgfx: Fix compat shader namespace 2014-07-04 12:12:09 +02:00
svga3d_reg.h drm/vmwgfx: Remove some unused surface formats 2014-03-02 09:42:53 +01:00
svga3d_surfacedefs.h drm/vmwgfx: Fix possible integer overflow 2014-02-12 19:30:45 +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 PCI: Move PCI_VENDOR_ID_VMWARE to pci_ids.h 2014-09-24 11:52:09 -06:00
svga_types.h
vmwgfx_buffer.c drm/ttm: flip the switch, and convert to dma_fence 2014-09-02 16:41:50 +02:00
vmwgfx_cmdbuf_res.c drm/vmwgfx: Fix hash key computation 2014-10-31 09:54:22 +01:00
vmwgfx_context.c drm/vmwgfx: Fix compat shader namespace 2014-07-04 12:12:09 +02:00
vmwgfx_dmabuf.c drm/ttm: move fpfn and lpfn into each placement v2 2014-08-27 13:16:04 +02:00
vmwgfx_drv.c drm/vmwgfx: Replace the hw mutex with a hw spinlock 2015-01-19 03:02:13 -08:00
vmwgfx_drv.h drm/vmwgfx: Replace the hw mutex with a hw spinlock 2015-01-19 03:02:13 -08:00
vmwgfx_execbuf.c drm/ttm: optionally move duplicates to a separate list 2014-12-03 18:26:52 -05:00
vmwgfx_fb.c drm/ttm: move fpfn and lpfn into each placement v2 2014-08-27 13:16:04 +02:00
vmwgfx_fence.c drm/vmwgfx: Replace the hw mutex with a hw spinlock 2015-01-19 03:02:13 -08:00
vmwgfx_fence.h drm/vmwgfx: rework to new fence interface, v2 2014-09-02 16:41:50 +02:00
vmwgfx_fifo.c drm/vmwgfx: Replace the hw mutex with a hw spinlock 2015-01-19 03:02:13 -08:00
vmwgfx_gmr.c drm/vmwgfx: Fix the driver for large dma addresses 2014-01-17 07:44:15 +01:00
vmwgfx_gmrid_manager.c drm/ttm: move fpfn and lpfn into each placement v2 2014-08-27 13:16:04 +02:00
vmwgfx_ioctl.c drm/vmwgfx: Replace the hw mutex with a hw spinlock 2015-01-19 03:02:13 -08:00
vmwgfx_irq.c drm/vmwgfx: Replace the hw mutex with a hw spinlock 2015-01-19 03:02:13 -08:00
vmwgfx_kms.c drm/vmwgfx: Replace the hw mutex with a hw spinlock 2015-01-19 03:02:13 -08:00
vmwgfx_kms.h drm: Pass page flip ioctl flags to driver 2013-08-30 09:24:54 +10:00
vmwgfx_ldu.c drm: Move drm_crtc_init from drm_crtc.h to drm_plane_helper.h 2014-11-05 00:14:55 +01:00
vmwgfx_marker.c drm: vmwgfx: Use nsec based interfaces 2014-07-23 15:01:50 -07:00
vmwgfx_mob.c drm/vmwgfx: avoid null pointer dereference at failure paths 2014-03-02 09:49:59 +01:00
vmwgfx_overlay.c drm/vmwgfx: Make overlay code not require fifo at init time 2012-11-20 16:19:50 +10:00
vmwgfx_prime.c drm/vmwgfx: Hook up the prime ioctls 2013-11-18 04:11:53 -08:00
vmwgfx_reg.h
vmwgfx_resource.c drm/ttm: optionally move duplicates to a separate list 2014-12-03 18:26:52 -05:00
vmwgfx_resource_priv.h drm/vmwgfx: Break out surface and context management to separate files 2012-11-21 07:47:08 +10:00
vmwgfx_scrn.c drm: Move drm_crtc_init from drm_crtc.h to drm_plane_helper.h 2014-11-05 00:14:55 +01:00
vmwgfx_shader.c drm/vmwgfx: (Re)bind shaders to MOBs with the correct offset 2014-12-03 00:48:14 -08:00
vmwgfx_surface.c drm/vmwgfx: Tighten security around surface sharing v2 2014-03-28 14:19:03 +01:00
vmwgfx_ttm_glue.c UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/ 2012-10-02 18:01:07 +01:00