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video: driver: Enable Subsystem Restart (SSR) testing

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Enable Subsystem Restart test support.
Clients can trigger SSR through debugfs as follows:

echo <trigger_val> > /d/msm_vidc/core/trigger_ssr

u64 trigger_val provides:
  /* <test_addr><sub_client_id><ssr_type>
   * ssr_type: 0-3 bits
   * sub_client_id: 4-7 bits
   * reserved: 8-31 bits
   * test_addr: 32-63 bits */

Change-Id: If23fce3084de00461f1e5cc57884e10d15ad66a9
Signed-off-by: Mihir Ganu <mganu@codeaurora.org>
This commit is contained in:
Mihir Ganu
2021-03-26 11:27:53 -07:00
parent ac3350d805
commit 113c10c489
6 changed files with 108 additions and 3 deletions
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2
driver/vidc/inc/msm_vidc_driver.h
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@@ -276,7 +276,7 @@ void msm_vidc_print_core_info(struct msm_vidc_core *core);
int msm_vidc_smmu_fault_handler(struct iommu_domain *domain,
struct device *dev, unsigned long iova, int flags, void *data);
int msm_vidc_trigger_ssr(struct msm_vidc_core *core,
enum msm_vidc_ssr_trigger_type type);
u64 trigger_ssr_val);
void msm_vidc_ssr_handler(struct work_struct *work);
void msm_vidc_pm_work_handler(struct work_struct *work);
void msm_vidc_fw_unload_handler(struct work_struct *work);