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| author | Noralf Trønnes <noralf@tronnes.org> | 2017-11-07 22:13:43 +0300 |
|---|---|---|
| committer | Noralf Trønnes <noralf@tronnes.org> | 2017-11-11 13:22:46 +0300 |
| commit | d68920120d712136cc1538e5f4f8e119f2d4f43a (patch) | |
| tree | 89f483cf4f2cc66b594ef5ebcfaf6bba29508ad8 | |
| parent | 8d25ccebef55b8fc47b674f24ccdccbef08e2f32 (diff) | |
| download | linux-d68920120d712136cc1538e5f4f8e119f2d4f43a.tar.xz | |
drm/cma-helper: Add drm_gem_cma_print_info()
Add drm_gem_cma_print_info() for debugfs printing
struct drm_gem_cma_object specific info.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20171107191348.17555-8-noralf@tronnes.org
| -rw-r--r-- | drivers/gpu/drm/drm_gem_cma_helper.c | 19 | ||||
| -rw-r--r-- | include/drm/drm_gem_cma_helper.h | 3 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c index 020e7668dfab..29f7b0fd3ad4 100644 --- a/drivers/gpu/drm/drm_gem_cma_helper.c +++ b/drivers/gpu/drm/drm_gem_cma_helper.c @@ -424,6 +424,25 @@ EXPORT_SYMBOL_GPL(drm_gem_cma_describe); #endif /** + * drm_gem_cma_print_info() - Print &drm_gem_cma_object info for debugfs + * @p: DRM printer + * @indent: Tab indentation level + * @gem: GEM object + * + * This function can be used as the &drm_driver->gem_print_info callback. + * It prints paddr and vaddr for use in e.g. debugfs output. + */ +void drm_gem_cma_print_info(struct drm_printer *p, unsigned int indent, + const struct drm_gem_object *obj) +{ + const struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj); + + drm_printf_indent(p, indent, "paddr=%pad\n", &cma_obj->paddr); + drm_printf_indent(p, indent, "vaddr=%p\n", cma_obj->vaddr); +} +EXPORT_SYMBOL(drm_gem_cma_print_info); + +/** * drm_gem_cma_prime_get_sg_table - provide a scatter/gather table of pinned * pages for a CMA GEM object * @obj: GEM object diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h index 7a3dcf0cf289..40435f3480e5 100644 --- a/include/drm/drm_gem_cma_helper.h +++ b/include/drm/drm_gem_cma_helper.h @@ -91,6 +91,9 @@ unsigned long drm_gem_cma_get_unmapped_area(struct file *filp, void drm_gem_cma_describe(struct drm_gem_cma_object *obj, struct seq_file *m); #endif +void drm_gem_cma_print_info(struct drm_printer *p, unsigned int indent, + const struct drm_gem_object *obj); + struct sg_table *drm_gem_cma_prime_get_sg_table(struct drm_gem_object *obj); struct drm_gem_object * drm_gem_cma_prime_import_sg_table(struct drm_device *dev, |