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authorThomas Gleixner <tglx@linutronix.de>2016-01-12 11:01:12 +0100
committerThomas Gleixner <tglx@linutronix.de>2016-01-12 11:01:12 +0100
commit1f16f116b01c110db20ab808562c8b8bc3ee3d6e (patch)
tree44db563f64cf5f8d62af8f99a61e2b248c44ea3a /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
parent03724ac3d48f8f0e3caf1d30fa134f8fd96c94e2 (diff)
parentf9eccf24615672896dc13251410c3f2f33a14f95 (diff)
Merge branches 'clockevents/4.4-fixes' and 'clockevents/4.5-fixes' of http://git.linaro.org/people/daniel.lezcano/linux into timers/urgent
Pull in fixes from Daniel Lezcano: - Fix the vt8500 timer leading to a system lock up when dealing with too small delta (Roman Volkov) - Select the CLKSRC_MMIO when the fsl_ftm_timer is enabled with COMPILE_TEST (Daniel Lezcano) - Prevent to compile timers using the 'iomem' API when the architecture has not HAS_IOMEM set (Richard Weinberger)
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index d4bac5f49939..8a1752ff3d8e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -587,9 +587,13 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm,
uint32_t flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, bo_mem);
int r;
- if (gtt->userptr)
- amdgpu_ttm_tt_pin_userptr(ttm);
-
+ if (gtt->userptr) {
+ r = amdgpu_ttm_tt_pin_userptr(ttm);
+ if (r) {
+ DRM_ERROR("failed to pin userptr\n");
+ return r;
+ }
+ }
gtt->offset = (unsigned long)(bo_mem->start << PAGE_SHIFT);
if (!ttm->num_pages) {
WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n",
@@ -797,11 +801,12 @@ uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
if (mem && mem->mem_type != TTM_PL_SYSTEM)
flags |= AMDGPU_PTE_VALID;
- if (mem && mem->mem_type == TTM_PL_TT)
+ if (mem && mem->mem_type == TTM_PL_TT) {
flags |= AMDGPU_PTE_SYSTEM;
- if (!ttm || ttm->caching_state == tt_cached)
- flags |= AMDGPU_PTE_SNOOPED;
+ if (ttm->caching_state == tt_cached)
+ flags |= AMDGPU_PTE_SNOOPED;
+ }
if (adev->asic_type >= CHIP_TOPAZ)
flags |= AMDGPU_PTE_EXECUTABLE;