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gpu: nvgpu: plug-in misc-ec interface for av+l

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This patch adds misc-ec interface into NvGPU driver to report GPU HW
errors to Safety_Services, in AV+L. For this purpose, it introduces
a new flag "CONFIG_NVGPU_ENABLE_MISC_EC".

JIRA NVGPU-8094

Change-Id: Id8fff69487cad9ed4eb082a7d8615a1e15867ffa
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2678394
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Dinesh T <dt@nvidia.com>
Reviewed-by: Ankur Kishore <ankkishore@nvidia.com>
This commit is contained in:
Rajesh Devaraj
2022-03-08 20:27:57 +00:00
committed by mobile promotions
parent 201b5c1c7f
commit 86be5112b2
2 changed files with 32 additions and 4 deletions
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8
drivers/gpu/nvgpu/Makefile.linux.configs
View File

@@ -98,6 +98,11 @@ ifdef CONFIG_TEGRA_NVMAP_NEXT
CONFIG_NVGPU_NVMAP_NEXT := y
endif
CONFIG_NVGPU_ENABLE_MISC_EC := n
ifdef CONFIG_TEGRA_EPL
CONFIG_NVGPU_ENABLE_MISC_EC := y
endif
ifneq ($(findstring 5.10,$(NV_BUILD_KERNEL_OPTIONS)),)
CONFIG_NVGPU_NVMAP_NEXT := y
endif
@@ -273,3 +278,6 @@ endif
ifeq ($(CONFIG_NVGPU_IVM_BUILD),y)
ccflags-y += -DCONFIG_NVGPU_IVM_BUILD
endif
ifeq ($(CONFIG_NVGPU_ENABLE_MISC_EC),y)
ccflags-y += -DCONFIG_NVGPU_ENABLE_MISC_EC
endif

28
drivers/gpu/nvgpu/os/linux/cic/cic_report_err.c
View File

@@ -17,13 +17,33 @@
#include <nvgpu/cic_mon.h>
#include <nvgpu/types.h>
#ifdef CONFIG_NVGPU_ENABLE_MISC_EC
#include <linux/tegra-epl.h>
#include "os/linux/os_linux.h"
#endif
struct gk20a;
int nvgpu_cic_mon_report_err_safety_services(struct gk20a *g,
u32 err_id)
int nvgpu_cic_mon_report_err_safety_services(struct gk20a *g, u32 err_id)
{
int ret = 0U;
#ifdef CONFIG_NVGPU_ENABLE_MISC_EC
struct device *dev = dev_from_gk20a(g);
/**
* ToDo: Add MISC_EC API to report error.
* MISC_EC_SW_ERR_CODE_0 register has been allocated for NvGPU
* to report GPU HW errors to Safety_Services via MISC_EC interface.
*/
return 0;
ret = epl_report_misc_ec_error(dev, MISC_EC_SW_ERR_CODE_0, err_id);
if (ret != 0) {
nvgpu_err(g, "Error reporting to Safety_Services failed");
nvgpu_err(g, "ret (%d). err (0x%x)", ret, err_id);
} else {
nvgpu_err(g, "Reported err (0x%x) to Safety_Services",
err_id);
}
#endif
return ret;
}