diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 6bcd5659ffcc..1471c7f9c89d 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include #include @@ -22,6 +23,33 @@ #include "firmware.h" #include "pm_helpers.h" +static void venus_coredump(struct venus_core *core) +{ + struct device *dev; + phys_addr_t mem_phys; + size_t mem_size; + void *mem_va; + void *data; + + dev = core->dev; + mem_phys = core->fw.mem_phys; + mem_size = core->fw.mem_size; + + mem_va = memremap(mem_phys, mem_size, MEMREMAP_WC); + if (!mem_va) + return; + + data = vmalloc(mem_size); + if (!data) { + memunmap(mem_va); + return; + } + + memcpy(data, mem_va, mem_size); + memunmap(mem_va); + dev_coredumpv(dev, data, mem_size, GFP_KERNEL); +} + static void venus_event_notify(struct venus_core *core, u32 event) { struct venus_inst *inst; @@ -67,6 +95,8 @@ static void venus_sys_error_handler(struct work_struct *work) venus_shutdown(core); + venus_coredump(core); + pm_runtime_put_sync(core->dev); while (core->pmdomains[0] && pm_runtime_active(core->pmdomains[0])) diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h index b984d508ed71..45da0307a1b8 100644 --- a/drivers/media/platform/qcom/venus/core.h +++ b/drivers/media/platform/qcom/venus/core.h @@ -144,6 +144,8 @@ struct venus_core { struct device *dev; struct iommu_domain *iommu_domain; size_t mapped_mem_size; + phys_addr_t mem_phys; + size_t mem_size; } fw; struct mutex lock; struct list_head instances; diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c index d03e2dd5808c..89defc21ea81 100644 --- a/drivers/media/platform/qcom/venus/firmware.c +++ b/drivers/media/platform/qcom/venus/firmware.c @@ -201,6 +201,9 @@ int venus_boot(struct venus_core *core) return -EINVAL; } + core->fw.mem_size = mem_size; + core->fw.mem_phys = mem_phys; + if (core->use_tz) ret = qcom_scm_pas_auth_and_reset(VENUS_PAS_ID); else