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gpu: nvgpu: Falcon controller halt interrupt status clear

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- Added nvgpu_flcn_clear_halt_intr_status() to
Wait for halt interrupt status clear by
clear_halt_interrupt_status() HAL within timeout

- Added gk20a_flcn_clear_halt_interrupt_status()
to clear falcon controller halt interrupt status

- Replaced flacon halt interrupt clear with
nvgpu_flcn_clear_halt_intr_status() method

NVGPU JIRA-99

Change-Id: I762a3c01cd1d02028eb6aaa9898a50be94376619
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master/r/1511333
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
This commit is contained in:
Mahantesh Kumbar
2017-06-30 11:42:17 +05:30
committed by mobile promotions
parent fbeca4a841
commit 2cf964d175
6 changed files with 66 additions and 39 deletions
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3
drivers/gpu/nvgpu/include/nvgpu/falcon.h
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@@ -129,6 +129,7 @@ struct nvgpu_falcon_engine_dependency_ops {
struct nvgpu_falcon_ops {
int (*reset)(struct nvgpu_falcon *flcn);
void (*set_irq)(struct nvgpu_falcon *flcn, bool enable);
bool (*clear_halt_interrupt_status)(struct nvgpu_falcon *flcn);
bool (*is_falcon_cpu_halted)(struct nvgpu_falcon *flcn);
bool (*is_falcon_idle)(struct nvgpu_falcon *flcn);
bool (*is_falcon_scrubbing_done)(struct nvgpu_falcon *flcn);
@@ -167,6 +168,8 @@ struct nvgpu_falcon {
int nvgpu_flcn_wait_idle(struct nvgpu_falcon *flcn);
int nvgpu_flcn_wait_for_halt(struct nvgpu_falcon *flcn, unsigned int timeout);
int nvgpu_flcn_clear_halt_intr_status(struct nvgpu_falcon *flcn,
unsigned int timeout);
int nvgpu_flcn_reset(struct nvgpu_falcon *flcn);
void nvgpu_flcn_set_irq(struct nvgpu_falcon *flcn, bool enable,
u32 intr_mask, u32 intr_dest);