diff options
| author | Robin Murphy <robin.murphy@arm.com> | 2022-04-05 15:17:48 +0100 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2022-04-11 09:36:13 -0700 |
| commit | e2a88eabb02410267519b838fb9b79f5206769be (patch) | |
| tree | d8159211366bd014b0581ff1bbfcab1e7d2bd3a0 /drivers/gpu | |
| parent | 047ae665577776b7feb11bd4f81f46627cff95e7 (diff) | |
| download | lwn-e2a88eabb02410267519b838fb9b79f5206769be.tar.gz lwn-e2a88eabb02410267519b838fb9b79f5206769be.zip | |
drm/msm: Stop using iommu_present()
Even if some IOMMU has registered itself on the platform "bus", that
doesn't necessarily mean it provides translation for the device we
care about. Replace iommu_present() with a more appropriate check.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Patchwork: https://patchwork.freedesktop.org/patch/480707/
Link: https://lore.kernel.org/r/5ab4f4574d7f3e042261da702d493ee40d003356.1649168268.git.robin.murphy@arm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index e88c4b46a56f..2905b82a9de3 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -274,7 +274,7 @@ bool msm_use_mmu(struct drm_device *dev) struct msm_drm_private *priv = dev->dev_private; /* a2xx comes with its own MMU */ - return priv->is_a2xx || iommu_present(&platform_bus_type); + return priv->is_a2xx || device_iommu_mapped(dev->dev); } static int msm_init_vram(struct drm_device *dev) |