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gpu: nvgpu: add safety build flag CONFIG_NVGPU_SW_SEMAPHORE

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Added the safety build flag CONFIG_NVGPU_SW_SEMAPHORE to compile out
sw semaphore implementation in NVGPU. sw semaphore is only used for
presilicon bringup of GPU and hence is not needed for safety build.

Jira NVGPU-3172

Change-Id: I6a46ef22f1e2059437f710198f4ea49a47656fef
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2164216
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Debarshi Dutta
2019-07-30 15:39:48 +05:30
committed by mobile promotions
parent feb3ba3d59
commit 92d009e796
14 changed files with 50 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
userspace/units/fifo/channel/nvgpu-channel.c
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@@ -322,8 +322,7 @@ done:
#define F_CHANNEL_CLOSE_AS_BOUND BIT(7)
#define F_CHANNEL_CLOSE_FREE_SUBCTX BIT(8)
#define F_CHANNEL_CLOSE_USER_SYNC BIT(9)
#define F_CHANNEL_CLOSE_HW_SEMA BIT(10)
#define F_CHANNEL_CLOSE_LAST BIT(11)
#define F_CHANNEL_CLOSE_LAST BIT(10)
/* nvgpu_tsg_unbind_channel always return 0 */
@@ -338,7 +337,6 @@ static const char *f_channel_close[] = {
"as_bound",
"free_subctx",
"user_sync",
"hw_sema",
};
static void stub_os_channel_close(struct nvgpu_channel *ch, bool force)
@@ -365,12 +363,8 @@ static bool channel_close_pruned(u32 branches, u32 final)
if ((branches & F_CHANNEL_CLOSE_AS_BOUND) == 0) {
branches &= ~F_CHANNEL_CLOSE_FREE_SUBCTX;
branches &= ~F_CHANNEL_CLOSE_USER_SYNC;
branches &= ~F_CHANNEL_CLOSE_HW_SEMA;
}
/* TODO: add semaphore pool init to support this */
branches &= ~F_CHANNEL_CLOSE_HW_SEMA;
if (branches < branches_init) {
return true;
}
@@ -418,7 +412,6 @@ static int test_channel_close(struct unit_module *m,
ch = gk20a_open_new_channel(g, runlist_id,
privileged, getpid(), getpid());
assert(ch != NULL);
assert(ch->hw_sema == NULL);
ch->usermode_submit_enabled = true;
@@ -460,11 +453,6 @@ static int test_channel_close(struct unit_module *m,
assert(err == 0);
}
if (branches & F_CHANNEL_CLOSE_HW_SEMA) {
err = nvgpu_hw_semaphore_init(ch);
assert(err == 0);
}
if (branches & F_CHANNEL_CLOSE_ALREADY_FREED) {
nvgpu_channel_close(ch);
}
@@ -527,7 +515,6 @@ static int test_channel_close(struct unit_module *m,
assert(nvgpu_ref_put_return(&vm.ref, NULL));
assert(ch->user_sync == NULL);
assert(ch->hw_sema == NULL);
unbind:
/*