diff options
author | Aparna Das <aparnad@nvidia.com> | 2018-07-10 16:15:29 -0400 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2018-07-20 01:14:49 -0400 |
commit | f39ec4f9a0b40db0042418c3bfe0fee8ceb3d190 (patch) | |
tree | 777dfcbeca93497bb7d36b5afa9935b988ce57b1 | |
parent | 7f14aafc2c02eb0fab458324d0ba91a7fdea3086 (diff) |
gpu: nvgpu: do not disable fb hub intr in fault info mem destroy
FB hub intr is enabled on finzalize_poweron and disabled on
prepare_poweroff. There is no need to additionally disable
FB hub intr in fault info mem destroy when driver refcount
becomes zero since prepare_poweroff has already been called.
Also prepare_poweroff locks GPU registers from CPU access so
these registers should not be accessed after prepare_poweroff.
Bug 200427479
Change-Id: I62c355502ea494a1d0528c8668cae63743b8957b
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1776386
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Richard Zhao <rizhao@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>
-rw-r--r-- | drivers/gpu/nvgpu/gv11b/mm_gv11b.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/gpu/nvgpu/gv11b/mm_gv11b.c b/drivers/gpu/nvgpu/gv11b/mm_gv11b.c index c7556394..9373ee19 100644 --- a/drivers/gpu/nvgpu/gv11b/mm_gv11b.c +++ b/drivers/gpu/nvgpu/gv11b/mm_gv11b.c | |||
@@ -75,7 +75,6 @@ void gv11b_mm_fault_info_mem_destroy(struct gk20a *g) | |||
75 | 75 | ||
76 | nvgpu_mutex_acquire(&g->mm.hub_isr_mutex); | 76 | nvgpu_mutex_acquire(&g->mm.hub_isr_mutex); |
77 | 77 | ||
78 | g->ops.fb.disable_hub_intr(g); | ||
79 | 78 | ||
80 | if ((g->ops.fb.is_fault_buf_enabled(g, | 79 | if ((g->ops.fb.is_fault_buf_enabled(g, |
81 | NVGPU_FB_MMU_FAULT_NONREPLAY_REG_INDEX))) { | 80 | NVGPU_FB_MMU_FAULT_NONREPLAY_REG_INDEX))) { |