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gpu: nvgpu: Disabling Global context buffers commit for Compute engine

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Global context buffers are to be mapped and committed only
for engine supporting gfx. With MIG, all engines support
compute only hence skip that.

Bug 4016530

Change-Id: I9f9a01070776f5fa1b18287e62a3080a42c21c60
Signed-off-by: Dinesh T <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2900314
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Dinesh T
2023-05-08 17:34:02 +00:00
committed by mobile promotions
parent 9487599da1
commit 8bae56a075
3 changed files with 10 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/nvgpu/common/gr/obj_ctx.c
View File

@@ -368,11 +368,13 @@ static void nvgpu_gr_obj_ctx_commit_veid0_preemption_buffers(struct gk20a *g,
bool nvgpu_gr_obj_ctx_is_gfx_engine(struct gk20a *g, struct nvgpu_tsg_subctx *subctx)
{
if (nvgpu_is_enabled(g, NVGPU_SUPPORT_TSG_SUBCONTEXTS)) {
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG) &&
if ((subctx != NULL) && (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) &&
nvgpu_tsg_subctx_get_id(subctx) == CHANNEL_INFO_VEID0) {
return true;
}
} else if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
}
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
return true;
}
@@ -1085,7 +1087,8 @@ static int nvgpu_gr_golden_ctx_prepare_gr_ctx(
}
}
err = nvgpu_gr_ctx_mappings_map_global_ctx_buffers(g,
gr->global_ctx_buffer, true, mappings, false);
gr->global_ctx_buffer,
nvgpu_gr_obj_ctx_is_gfx_engine(g, NULL), mappings, false);
if (err != 0) {
nvgpu_err(g, "map global ctx buffers failed err=%d", err);
goto unmap_ctx_buffer;
@@ -1184,14 +1187,14 @@ int nvgpu_gr_obj_ctx_init_golden_context_image(struct gk20a *g)
}
nvgpu_gr_obj_ctx_commit_global_ctx_buffers(g, gr->global_ctx_buffer,
gr->config, &gr_ctx, true,
gr->config, &gr_ctx, nvgpu_gr_obj_ctx_is_gfx_engine(g, NULL),
&mappings, true);
/* commit gr ctx buffer */
nvgpu_gr_obj_ctx_commit_inst(g, &inst_block, &gr_ctx, subctx, &mappings);
err = nvgpu_gr_obj_ctx_alloc_golden_ctx_image(g, golden_image,
gr->global_ctx_buffer, gr->config, &gr_ctx,
true,
nvgpu_gr_obj_ctx_is_gfx_engine(g, NULL),
&mappings, &inst_block);
if (err != 0) {
nvgpu_err(g, "create golden image failed err=%d", err);

2
userspace/required_tests.ini
View File

@@ -673,7 +673,7 @@ test_gr_setup_free_obj_ctx.gr_setup_free_obj_ctx=0
test_gr_setup_preemption_mode_errors.gr_setup_preemption_mode_errors=2
test_gr_setup_set_preemption_mode.gr_setup_set_preemption_mode=0
test_gr_validate_subctx_gr_ctx_buffers.gr_setup_subctx_gr_ctx_buffers=0
test_gr_validate_multi_as_subctx_gr_ctx_buffers.gr_setup_subctx_multi_as_gr_ctx_buffers=0
test_gr_validate_multi_as_subctx_gr_ctx_buffers.gr_setup_subctx_multi_as_gr_ctx_buffers=2
test_gr_validate_subctx_inst_blocks.gr_setup_subctx_inst_blocks=0
test_gr_validate_ch_class_veid_pbdma.gr_setup_class_veid_pbdma=0

2
userspace/units/gr/setup/nvgpu-gr-setup.c
View File

@@ -1848,7 +1848,7 @@ struct unit_module_test nvgpu_gr_setup_tests[] = {
UNIT_TEST(gr_setup_subctx_gr_ctx_buffers,
test_gr_validate_subctx_gr_ctx_buffers, NULL, 0),
UNIT_TEST(gr_setup_subctx_multi_as_gr_ctx_buffers,
test_gr_validate_multi_as_subctx_gr_ctx_buffers, NULL, 0),
test_gr_validate_multi_as_subctx_gr_ctx_buffers, NULL, 2),
UNIT_TEST(gr_setup_subctx_inst_blocks,
test_gr_validate_subctx_inst_blocks, NULL, 0),
UNIT_TEST(gr_setup_class_veid_pbdma,