On 05.11.2015 09:25, Michel Dänzer wrote:
From: Michel Dänzer michel.daenzer@amd.com
They reportedly cause random GPU hangs.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91268
Cc: stable@vger.kernel.org Signed-off-by: Michel Dänzer michel.daenzer@amd.com
For this series Reviewed-by: Christian König christian.koenig@amd.com
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