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Commit d6892012 authored by Noralf Trønnes's avatar Noralf Trønnes
Browse files

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: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarNoralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20171107191348.17555-8-noralf@tronnes.org
parent 8d25cceb

drivers/gpu/drm/drm_gem_cma_helper.c

+19 −0
Original line number Diff line number Diff line
@@ -423,6 +423,25 @@ void drm_gem_cma_describe(struct drm_gem_cma_object *cma_obj, 
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

include/drm/drm_gem_cma_helper.h

+3 −0
Original line number Diff line number Diff line
@@ -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,