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gpu: nvgpu: do not access register in vidmem destroy

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Do vidmem destroy only if get_vidmem_size HAL op is
set which will skip this for iGPU. Do not read vidmem
size explicitly in vidmem destroy in shutdown path after
prepare poweroff.

Bug 200427479

Change-Id: Ic919b03d44b5505646b449fd74f9f5d3e9e0dfee
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1776388
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Nirav Patel <nipatel@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Aparna Das
2018-07-13 15:46:13 -07:00
committed by mobile promotions
parent 3a5fd2399c
commit 2df33e32e4
1 changed files with 1 additions and 6 deletions
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7
drivers/gpu/nvgpu/common/mm/vidmem.c
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@@ -39,13 +39,8 @@
void nvgpu_vidmem_destroy(struct gk20a *g)
{
struct nvgpu_timeout timeout;
size_t size;
size = g->ops.mm.get_vidmem_size ?
g->ops.mm.get_vidmem_size(g) : 0;
/* Nothing to destroy if no vidmem */
if (!size)
if (!g->ops.mm.get_vidmem_size)
return;
nvgpu_timeout_init(g, &timeout, 100, NVGPU_TIMER_RETRY_TIMER);