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Commit c6820d61 authored by Sushmita Susheelendra's avatar Sushmita Susheelendra
Browse files

drm/msm: Map command buffers to kernel only if required 



Map command buffers to the kernel address space only if
relocs are specified for the submission. This reduces some
overhead on the submission path.

Change-Id: I32ca3c7fe2147c835a328e0c8937b45f2f3d59b9
Signed-off-by: default avatarSushmita Susheelendra <ssusheel@codeaurora.org>
parent 214aa354

drivers/gpu/drm/msm/msm_gem_submit.c

+3 −0
Original line number Diff line number Diff line
@@ -334,6 +334,9 @@ static int submit_reloc(struct msm_gem_submit *submit, struct msm_gem_object *ob 
		return -EINVAL;

	}



	if (nr_relocs == 0)

		return 0;



	/* For now, just map the entire thing.  Eventually we probably

	 * to do it page-by-page, w/ kmap() if not vmap()d..

	 */