On Thu, Nov 5, 2015 at 5:41 AM, Christian König <deathsimple@xxxxxxxxxxx> wrote: > On 05.11.2015 09:25, Michel Dänzer wrote: >> >> From: Michel Dänzer <michel.daenzer@xxxxxxx> >> >> They reportedly cause random GPU hangs. >> >> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91268 >> >> Cc: stable@xxxxxxxxxxxxxxx >> Signed-off-by: Michel Dänzer <michel.daenzer@xxxxxxx> > > > For this series Reviewed-by: Christian König <christian.koenig@xxxxxxx> Applied. thanks! Alex > >> --- >> drivers/gpu/drm/radeon/radeon_object.c | 6 ++++++ >> 1 file changed, 6 insertions(+) >> >> diff --git a/drivers/gpu/drm/radeon/radeon_object.c >> b/drivers/gpu/drm/radeon/radeon_object.c >> index d302488..a35f5af 100644 >> --- a/drivers/gpu/drm/radeon/radeon_object.c >> +++ b/drivers/gpu/drm/radeon/radeon_object.c >> @@ -221,6 +221,12 @@ int radeon_bo_create(struct radeon_device *rdev, >> if (!(rdev->flags & RADEON_IS_PCIE)) >> bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC); >> + /* Write-combined CPU mappings of GTT cause GPU hangs with RV6xx >> + * See https://bugs.freedesktop.org/show_bug.cgi?id=91268 >> + */ >> + if (rdev->family >= CHIP_RV610 && rdev->family <= CHIP_RV635) >> + bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC); >> + >> #ifdef CONFIG_X86_32 >> /* XXX: Write-combined CPU mappings of GTT seem broken on 32-bit >> * See https://bugs.freedesktop.org/show_bug.cgi?id=84627 > > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
