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3497971a71
linux/drivers/char/agp
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Chris Wilson 3497971a71 agp/intel: Flush chipset writes after updating a single PTE 
After we update one PTE for a page, the caller expects to be able to
immediately use that through a GGTT read/write. To comply with the
callers expectations we therefore need to flush the chipset buffers
before returning.

Reported-by: Matti Hämäläinen <ccr@tnsp.org>
Fixes: d6473f5664 ("drm/i915: Add support for mapping an object page...")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ankitprasad Sharma <ankitprasad.r.sharma@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Tested-by: Matti Hämäläinen <ccr@tnsp.org>
Cc: drm-intel-fixes@lists.freedesktop.org
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160818161718.27187-2-chris@chris-wilson.co.uk
2016-08-18 22:36:23 +01:00
..
agp.h agp: change agp_free_page_array to use kvfree 2015-01-29 12:37:41 +10:00
ali-agp.c agp: Fix up email address & attributions in AGP MODULE_AUTHOR tags 2014-12-23 20:03:10 +10:00
alpha-agp.c
amd64-agp.c agp: Fix up email address & attributions in AGP MODULE_AUTHOR tags 2014-12-23 20:03:10 +10:00
amd-k7-agp.c
ati-agp.c agp: Fix up email address & attributions in AGP MODULE_AUTHOR tags 2014-12-23 20:03:10 +10:00
backend.c agp: Fix up email address & attributions in AGP MODULE_AUTHOR tags 2014-12-23 20:03:10 +10:00
compat_ioctl.c
compat_ioctl.h
efficeon-agp.c
frontend.c mm/core, arch, powerpc: Pass a protection key in to calc_vm_flag_bits() 2016-02-18 19:46:30 +01:00
generic.c agp: change agp_free_page_array to use kvfree 2015-01-29 12:37:41 +10:00
hp-agp.c
i460-agp.c
intel-agp.c agp: Fix up email address & attributions in AGP MODULE_AUTHOR tags 2014-12-23 20:03:10 +10:00
intel-agp.h agp/intel: Use pci_bus_address() to get GTTADR bus address 2014-01-07 11:37:12 -07:00
intel-gtt.c agp/intel: Flush chipset writes after updating a single PTE 2016-08-18 22:36:23 +01:00
isoch.c
Kconfig
Makefile
nvidia-agp.c agp: Fix up email address & attributions in AGP MODULE_AUTHOR tags 2014-12-23 20:03:10 +10:00
parisc-agp.c
sgi-agp.c drivers/char: delete non-required instances of include <linux/init.h> 2014-02-07 15:10:19 -08:00
sis-agp.c
sworks-agp.c
uninorth-agp.c PCI: Remove includes of asm/pci-bridge.h 2016-02-05 16:29:28 -06:00
via-agp.c agp: Fix up email address & attributions in AGP MODULE_AUTHOR tags 2014-12-23 20:03:10 +10:00