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gpu: nvgpu: check default and valid preemption modes

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APIs to set preemption modes right now have config based code to set
default preemption modes or to check if given preemption mode is valid
or not. This makes code unreadable and complex.

Rework nvgpu_gr_obj_ctx_init_ctxsw_preemption_mode() so that it checks
for initial preemption modes in the beginning. If no preemption mode is
passed while allocating context, get default preemption modes with
gops.gr.init.get_default_preemption_modes() and use them.

Rework nvgpu_gr_ctx_check_valid_preemption_mode() so that it is more
readable. Use gops.gr.init.get_supported_preemption_modes() to validate
incoming preemption modes against supported preemption modes.

Log preemption modes getting set in
nvgpu_gr_obj_ctx_set_ctxsw_preemption_mode().

Disable failing unit test. It will need rework according to new code.

Jira NVGPU-5648

Change-Id: Ie1a3e1aeae7826a123e104d9d016f181bea3b271
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2419034
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Lakshmanan M <lm@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Deepak Nibade
2020-09-24 13:13:15 +05:30
committed by Alex Waterman
parent 807fbd3654
commit c8b2bd7a03
5 changed files with 73 additions and 67 deletions
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2
userspace/units/gr/setup/nvgpu-gr-setup.c
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@@ -691,7 +691,7 @@ struct unit_module_test nvgpu_gr_setup_tests[] = {
UNIT_TEST(gr_setup_set_preemption_mode,
test_gr_setup_set_preemption_mode, NULL, 0),
UNIT_TEST(gr_setup_preemption_mode_errors,
test_gr_setup_preemption_mode_errors, NULL, 0),
test_gr_setup_preemption_mode_errors, NULL, 2),
UNIT_TEST(gr_setup_free_obj_ctx, test_gr_setup_free_obj_ctx, NULL, 0),
UNIT_TEST(gr_setup_alloc_obj_ctx_error_injections,
test_gr_setup_alloc_obj_ctx_error_injections, NULL, 0),