From: Lu Baolu <baolu.lu@linux.intel.com>
To: Ben Skeggs <bskeggs@redhat.com>, David Airlie <airlied@linux.ie>,
Daniel Vetter <daniel@ffwll.ch>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>
Cc: Joerg Roedel <joro@8bytes.org>,
Robin Murphy <robin.murphy@arm.com>,
dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org,
linux-tegra@vger.kernel.org, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, Lu Baolu <baolu.lu@linux.intel.com>
Subject: [PATCH 1/1] drm/nouveau/device: Get right pgsize_bitmap of iommu_domain
Date: Sat, 18 Dec 2021 15:45:46 +0800 [thread overview]
Message-ID: <20211218074546.1772553-1-baolu.lu@linux.intel.com> (raw)
The suported page sizes of an iommu_domain are saved in the pgsize_bitmap
field. Retrieve the value from the right place.
Fixes: 58fd9375c2c534 ("drm/nouveau/platform: probe IOMMU if present")
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
index d0d52c1d4aee..992cc285f2fe 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
@@ -133,7 +133,7 @@ nvkm_device_tegra_probe_iommu(struct nvkm_device_tegra *tdev)
* or equal to the system's PAGE_SIZE, with a preference if
* both are equal.
*/
- pgsize_bitmap = tdev->iommu.domain->ops->pgsize_bitmap;
+ pgsize_bitmap = tdev->iommu.domain->pgsize_bitmap;
if (pgsize_bitmap & PAGE_SIZE) {
tdev->iommu.pgshift = PAGE_SHIFT;
} else {
--
2.25.1
next reply other threads:[~2021-12-18 7:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-18 7:45 Lu Baolu [this message]
2021-12-20 11:22 ` [PATCH 1/1] drm/nouveau/device: Get right pgsize_bitmap of iommu_domain Robin Murphy
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