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drm/tegra: Extract tegra_gem_lookup()

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The static function host1x_bo_lookup() in drm.c is also useful
elsewhere. Extract it as tegra_gem_lookup() in gem.c.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Mikko Perttunen 2021-06-10 14:04:47 +03:00 committed by Thierry Reding
parent 0fddaa85d6
commit f51632cc0e
3 changed files with 18 additions and 17 deletions
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20
drivers/gpu/drm/tegra/drm.c
View File

@ -107,20 +107,6 @@ static void tegra_drm_context_free(struct tegra_drm_context *context)
kfree(context); kfree(context);
} }
static struct host1x_bo *
host1x_bo_lookup(struct drm_file *file, u32 handle)
{
struct drm_gem_object *gem;
struct tegra_bo *bo;
gem = drm_gem_object_lookup(file, handle);
if (!gem)
return NULL;
bo = to_tegra_bo(gem);
return &bo->base;
}
static int host1x_reloc_copy_from_user(struct host1x_reloc *dest, static int host1x_reloc_copy_from_user(struct host1x_reloc *dest,
struct drm_tegra_reloc __user *src, struct drm_tegra_reloc __user *src,
struct drm_device *drm, struct drm_device *drm,
@ -151,11 +137,11 @@ static int host1x_reloc_copy_from_user(struct host1x_reloc *dest,
dest->flags = HOST1X_RELOC_READ | HOST1X_RELOC_WRITE; dest->flags = HOST1X_RELOC_READ | HOST1X_RELOC_WRITE;
dest->cmdbuf.bo = host1x_bo_lookup(file, cmdbuf); dest->cmdbuf.bo = tegra_gem_lookup(file, cmdbuf);
if (!dest->cmdbuf.bo) if (!dest->cmdbuf.bo)
return -ENOENT; return -ENOENT;
dest->target.bo = host1x_bo_lookup(file, target); dest->target.bo = tegra_gem_lookup(file, target);
if (!dest->target.bo) if (!dest->target.bo)
return -ENOENT; return -ENOENT;
@ -238,7 +224,7 @@ int tegra_drm_submit(struct tegra_drm_context *context,
goto fail; goto fail;
} }
bo = host1x_bo_lookup(file, cmdbuf.handle); bo = tegra_gem_lookup(file, cmdbuf.handle);
if (!bo) { if (!bo) {
err = -ENOENT; err = -ENOENT;
goto fail; goto fail;

13
drivers/gpu/drm/tegra/gem.c
View File

@ -707,3 +707,16 @@ struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm,
return &bo->gem; return &bo->gem;
} }
struct host1x_bo *tegra_gem_lookup(struct drm_file *file, u32 handle)
{
struct drm_gem_object *gem;
struct tegra_bo *bo;
gem = drm_gem_object_lookup(file, handle);
if (!gem)
return NULL;
bo = to_tegra_bo(gem);
return &bo->base;
}

2
drivers/gpu/drm/tegra/gem.h
View File

@ -80,4 +80,6 @@ struct dma_buf *tegra_gem_prime_export(struct drm_gem_object *gem,
struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm, struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm,
struct dma_buf *buf); struct dma_buf *buf);
struct host1x_bo *tegra_gem_lookup(struct drm_file *file, u32 handle);
#endif #endif