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| author |   Andy Yan <andy.yan@rock-chips.com> | 2021-06-27 16:47:37 +0800 |
|---|---|---|
| committer |   Heiko Stuebner <heiko@sntech.de> | 2021-09-21 11:50:26 +0200 |
| commit | e1202c7a65b10258f9a11c1d2613c2aa91fe11cd (patch) | |
| tree | fb1163a07f264fc319249234f4197ccae059df1f /drivers/gpu/drm/rockchip | |
| parent | drm/rockchip: dsi: make hstt_table static (diff) | |
| download | linux-dev-e1202c7a65b10258f9a11c1d2613c2aa91fe11cd.tar.xz linux-dev-e1202c7a65b10258f9a11c1d2613c2aa91fe11cd.zip | |
drm/rockchip: Check iommu itself instead of it's parent for device_is_available
When iommu itself is disabled in dts, we should
fallback to non-iommu buffer, check iommu parent
is meanless here.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210627084737.309163-1-andy.yan@rock-chips.com
Diffstat (limited to 'drivers/gpu/drm/rockchip')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index 0ea085335235..e4ebe60b3cc1 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -374,7 +374,7 @@ static int rockchip_drm_platform_of_probe(struct device *dev) } iommu = of_parse_phandle(port->parent, "iommus", 0); - if (!iommu || !of_device_is_available(iommu->parent)) { + if (!iommu || !of_device_is_available(iommu)) { DRM_DEV_DEBUG(dev, "no iommu attached for %pOF, using non-iommu buffers\n", port->parent); |