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authorNoralf Trønnes <noralf@tronnes.org>2017-11-07 20:13:43 +0100
committerNoralf Trønnes <noralf@tronnes.org>2017-11-11 11:22:46 +0100
commitd68920120d712136cc1538e5f4f8e119f2d4f43a (patch)
tree89f483cf4f2cc66b594ef5ebcfaf6bba29508ad8 /drivers/gpu/drm/drm_gem_cma_helper.c
parent8d25ccebef55b8fc47b674f24ccdccbef08e2f32 (diff)
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
Diffstat (limited to 'drivers/gpu/drm/drm_gem_cma_helper.c')
-rw-r--r--drivers/gpu/drm/drm_gem_cma_helper.c19
1 files changed, 19 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