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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>
This commit is contained in:
Jordan Crouse 2018-10-15 15:31:54 -06:00 committed by Sean Paul
parent ee44563596
commit d52900437e
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/msm/msm_gem_submit.c
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@ -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;