Unverified Commit 0b91c6da authored by Maíra Canal's avatar Maíra Canal
Browse files

drm/v3d: Expose memory stats through fdinfo 



Use the common DRM function `drm_show_memory_stats()` to expose standard
fdinfo memory stats.

V3D exposes global GPU memory stats through debugfs. Those stats will be
preserved while the DRM subsystem doesn't have a standard solution to
expose global GPU stats.

Signed-off-by: default avatarMaíra Canal <mcanal@igalia.com>
Reviewed-by: default avatarTvrtko Ursulin <tvrtko.ursulin@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240711142736.783816-1-mcanal@igalia.com
parent c48abf09

drivers/gpu/drm/v3d/v3d_bo.c

+12 −0
Original line number Diff line number Diff line
@@ -26,6 +26,17 @@ 
#include "v3d_drv.h"

#include "uapi/drm/v3d_drm.h"



static enum drm_gem_object_status v3d_gem_status(struct drm_gem_object *obj)

{

	struct v3d_bo *bo = to_v3d_bo(obj);

	enum drm_gem_object_status res = 0;



	if (bo->base.pages)

		res |= DRM_GEM_OBJECT_RESIDENT;



	return res;

}



/* Called DRM core on the last userspace/kernel unreference of the

 * BO.

 */
@@ -63,6 +74,7 @@ static const struct drm_gem_object_funcs v3d_gem_funcs = { 
	.vmap = drm_gem_shmem_object_vmap,

	.vunmap = drm_gem_shmem_object_vunmap,

	.mmap = drm_gem_shmem_object_mmap,

	.status = v3d_gem_status,

	.vm_ops = &drm_gem_shmem_vm_ops,

};

drivers/gpu/drm/v3d/v3d_drv.c

+2 −0
Original line number Diff line number Diff line
@@ -184,6 +184,8 @@ static void v3d_show_fdinfo(struct drm_printer *p, struct drm_file *file) 
		drm_printf(p, "v3d-jobs-%s: \t%llu jobs\n",

			   v3d_queue_to_string(queue), jobs_completed);

	}



	drm_show_memory_stats(p, file);

}



static const struct file_operations v3d_drm_fops = {