Commit d5290043 authored Oct 15, 2018 by Jordan Crouse Committed by Sean Paul Dec 03, 2018

drm/msm/gpu: Don't map command buffers with nr_relocs equal to 0



If a command buffer doesn't have any relocs assigned to it there then
is no need to map it in the kernel address space.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>

parent ee445635

drivers/gpu/drm/msm/msm_gem_submit.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -317,6 +317,9 @@ static int submit_reloc(struct msm_gem_submit submit, struct msm_gem_object ob
		uint32_t *ptr;
		int ret = 0;

		if (!nr_relocs)
		return 0;

		if (offset % 4) {
		DRM_ERROR("non-aligned cmdstream buffer: %u\n", offset);
		return -EINVAL;

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