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gpu: nvgpu: add flag to disable SW quiesce

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Add NVGPU_DISABLE_SW_QUIESCE flag which can be set in unit tests
to avoid entering SW quiesce.

Jira NVGPU-4089

Change-Id: Ie44b28bf69ff86908a66bb1be8aab3d365945178
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2217828
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Thomas Fleury
2019-10-14 16:44:46 -04:00
committed by Alex Waterman
parent dabc5dd8b8
commit 76eb949edb
2 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/nvgpu/common/init/nvgpu_init.c
View File

@@ -156,7 +156,8 @@ static void nvgpu_sw_quiesce_remove_support(struct gk20a *g)
void nvgpu_sw_quiesce(struct gk20a *g)
{
#ifndef CONFIG_NVGPU_RECOVERY
if (g->is_virtual) {
if (g->is_virtual || g->enabled_flags == NULL ||
nvgpu_is_enabled(g, NVGPU_DISABLE_SW_QUIESCE)) {
goto fail;
}

5
drivers/gpu/nvgpu/include/nvgpu/enabled.h
View File

@@ -210,10 +210,13 @@ struct gk20a;
/* Fault recovery support */
#define NVGPU_SUPPORT_FAULT_RECOVERY 80U
/* SW Quiesce */
#define NVGPU_DISABLE_SW_QUIESCE 81U
/*
* Must be greater than the largest bit offset in the above list.
*/
#define NVGPU_MAX_ENABLED_BITS 81U
#define NVGPU_MAX_ENABLED_BITS 82U
/**
* nvgpu_is_enabled - Check if the passed flag is enabled.