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authorThomas Gleixner <tglx@linutronix.de>2018-02-16 15:47:26 +0100
committerThomas Gleixner <tglx@linutronix.de>2018-02-16 15:47:26 +0100
commit6dee6ae9d62642e81def4d461d71f13a6496ab59 (patch)
tree6c75d416c427a59f190e197ad83fe59b7bebf656 /drivers/gpu/drm/tegra/gem.c
parent1beaeacdc88b537703d04d5536235d0bbb36db93 (diff)
parent0b24a0bbe2147815d982d9335c41bb10c04f40bc (diff)
downloadtalos-op-linux-6dee6ae9d62642e81def4d461d71f13a6496ab59.tar.gz
talos-op-linux-6dee6ae9d62642e81def4d461d71f13a6496ab59.zip
Merge tag 'irqchip-4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip updates for 4.16-rc2 from Marc Zyngier - A MIPS GIC fix for spurious, masked interrupts - A fix for a subtle IPI bug in GICv3 - Do not probe GICv3 ITSs that are marked as disabled - Multi-MSI support for GICv2m - Various cleanups
Diffstat (limited to 'drivers/gpu/drm/tegra/gem.c')
-rw-r--r--drivers/gpu/drm/tegra/gem.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index ab1e53d434e8..49b9bf28f872 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -114,7 +114,7 @@ static const struct host1x_bo_ops tegra_bo_ops = {
static int tegra_bo_iommu_map(struct tegra_drm *tegra, struct tegra_bo *bo)
{
int prot = IOMMU_READ | IOMMU_WRITE;
- ssize_t err;
+ int err;
if (bo->mm)
return -EBUSY;
@@ -128,22 +128,21 @@ static int tegra_bo_iommu_map(struct tegra_drm *tegra, struct tegra_bo *bo)
err = drm_mm_insert_node_generic(&tegra->mm,
bo->mm, bo->gem.size, PAGE_SIZE, 0, 0);
if (err < 0) {
- dev_err(tegra->drm->dev, "out of I/O virtual memory: %zd\n",
+ dev_err(tegra->drm->dev, "out of I/O virtual memory: %d\n",
err);
goto unlock;
}
bo->paddr = bo->mm->start;
- err = iommu_map_sg(tegra->domain, bo->paddr, bo->sgt->sgl,
- bo->sgt->nents, prot);
- if (err < 0) {
- dev_err(tegra->drm->dev, "failed to map buffer: %zd\n", err);
+ bo->size = iommu_map_sg(tegra->domain, bo->paddr, bo->sgt->sgl,
+ bo->sgt->nents, prot);
+ if (!bo->size) {
+ dev_err(tegra->drm->dev, "failed to map buffer\n");
+ err = -ENOMEM;
goto remove;
}
- bo->size = err;
-
mutex_unlock(&tegra->mm_lock);
return 0;
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