diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2025-02-26 18:03:04 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2025-03-06 08:58:27 +0100 |
| commit | b57aa47d39e94dc47403a745e2024664e544078c (patch) | |
| tree | 1ab0ea8b2ce949546a40229f878ebe97e35bd114 /drivers/gpu/drm/drm_gem.c | |
| parent | ced7486468ac3b38d59a69fca5d97998499c936b (diff) | |
drm/gem: Test for imported GEM buffers with helper
Add drm_gem_is_imported() that tests if a GEM object's buffer has
been imported. Update the GEM code accordingly.
GEM code usually tests for imports if import_attach has been set
in struct drm_gem_object. But attaching a dma-buf on import requires
a DMA-capable importer device, which is not the case for many serial
busses like USB or I2C. The new helper tests if a GEM object's dma-buf
has been created from the GEM object.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Anusha Srivatsa <asrivats@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250226172457.217725-2-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/drm_gem.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index ee811764c3df..c6240bab3fa5 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -348,7 +348,7 @@ int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, return -ENOENT; /* Don't allow imported objects to be mapped */ - if (obj->import_attach) { + if (drm_gem_is_imported(obj)) { ret = -EINVAL; goto out; } @@ -1178,7 +1178,7 @@ void drm_gem_print_info(struct drm_printer *p, unsigned int indent, drm_vma_node_start(&obj->vma_node)); drm_printf_indent(p, indent, "size=%zu\n", obj->size); drm_printf_indent(p, indent, "imported=%s\n", - str_yes_no(obj->import_attach)); + str_yes_no(drm_gem_is_imported(obj))); if (obj->funcs->print_info) obj->funcs->print_info(p, indent, obj); |