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gpu: nvgpu: disable graphics specific init functions in MIG mode

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MIG mode does not support graphics, ELPG, and use cases like TPC
floorsweeping. Skip all such initialization functions in common.gr
unit if MIG mode is enabled.

Set can_elpg to false if MIG mode is enabled.

Jira NVGPU-5648

Change-Id: I03656dc6289e49a21ec7783430db9c8564c6bf1f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2411741
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>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Deepak Nibade
2020-09-10 19:58:35 +05:30
committed by Alex Waterman
parent 7a937a6190
commit 6a69ea235e
6 changed files with 94 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/nvgpu/common/gr/fs_state.c
View File

@@ -73,6 +73,7 @@ static void gr_load_tpc_mask(struct gk20a *g, struct nvgpu_gr_config *config)
nvgpu_log_info(g, "pes_tpc_mask %u\n", pes_tpc_mask);
#ifdef CONFIG_NVGPU_NON_FUSA
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
fuse_tpc_mask = g->ops.gr.config.get_gpc_tpc_mask(g, config, 0);
if ((g->tpc_fs_mask_user != 0U) &&
(g->tpc_fs_mask_user != fuse_tpc_mask)) {
@@ -88,6 +89,7 @@ static void gr_load_tpc_mask(struct gk20a *g, struct nvgpu_gr_config *config)
pes_tpc_mask = val;
}
}
}
#endif
g->ops.gr.init.tpc_mask(g, 0, pes_tpc_mask);
@@ -130,8 +132,10 @@ int nvgpu_gr_fs_state_init(struct gk20a *g, struct nvgpu_gr_config *config)
g->ops.gr.init.pd_tpc_per_gpc(g, config);
#ifdef CONFIG_NVGPU_GRAPHICS
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
/* gr__setup_pd_mapping */
g->ops.gr.init.rop_mapping(g, config);
}
#endif
g->ops.gr.init.pd_skip_table_gpc(g, config);
@@ -140,6 +144,7 @@ int nvgpu_gr_fs_state_init(struct gk20a *g, struct nvgpu_gr_config *config)
tpc_cnt = nvgpu_gr_config_get_tpc_count(config);
#ifdef CONFIG_NVGPU_NON_FUSA
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
fuse_tpc_mask = g->ops.gr.config.get_gpc_tpc_mask(g, config, 0);
max_tpc_cnt = nvgpu_gr_config_get_max_tpc_count(config);
@@ -150,6 +155,7 @@ int nvgpu_gr_fs_state_init(struct gk20a *g, struct nvgpu_gr_config *config)
val &= nvgpu_safe_sub_u32(BIT32(max_tpc_cnt), U32(1));
tpc_cnt = (u32)hweight32(val);
}
}
#endif
g->ops.gr.init.cwd_gpcs_tpcs_num(g, gpc_cnt, tpc_cnt);

34
drivers/gpu/nvgpu/common/gr/gr.c
View File

@@ -251,17 +251,24 @@ static int gr_init_setup_hw(struct gk20a *g, struct nvgpu_gr *gr)
}
#ifdef CONFIG_NVGPU_GRAPHICS
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
err = nvgpu_gr_zcull_init_hw(g, gr->zcull, gr->config);
if (err != 0) {
goto out;
}
#endif /* CONFIG_NVGPU_GRAPHICS */
#ifdef CONFIG_NVGPU_GRAPHICS
err = nvgpu_gr_zbc_load_table(g, gr->zbc);
if (err != 0) {
goto out;
}
if (g->ops.gr.init.preemption_state != NULL) {
err = g->ops.gr.init.preemption_state(g);
if (err != 0) {
goto out;
}
}
}
#endif /* CONFIG_NVGPU_GRAPHICS */
/*
@@ -274,15 +281,6 @@ static int gr_init_setup_hw(struct gk20a *g, struct nvgpu_gr *gr)
g->ops.gr.init.lg_coalesce(g, 0);
}
#ifdef CONFIG_NVGPU_GRAPHICS
if (g->ops.gr.init.preemption_state != NULL) {
err = g->ops.gr.init.preemption_state(g);
if (err != 0) {
goto out;
}
}
#endif
/* floorsweep anything left */
err = nvgpu_gr_fs_state_init(g, gr->config);
if (err != 0) {
@@ -488,7 +486,13 @@ static int gr_init_setup_sw(struct gk20a *g, struct nvgpu_gr *gr)
}
#endif
err = gr_init_ctx_bufs(g, gr);
if (err != 0) {
goto clean_up;
}
#ifdef CONFIG_NVGPU_GRAPHICS
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
err = nvgpu_gr_config_init_map_tiles(g, gr->config);
if (err != 0) {
goto clean_up;
@@ -500,18 +504,12 @@ static int gr_init_setup_sw(struct gk20a *g, struct nvgpu_gr *gr)
if (err != 0) {
goto clean_up;
}
#endif /* CONFIG_NVGPU_GRAPHICS */
err = gr_init_ctx_bufs(g, gr);
if (err != 0) {
goto clean_up;
}
#ifdef CONFIG_NVGPU_GRAPHICS
err = nvgpu_gr_zbc_init(g, &gr->zbc);
if (err != 0) {
goto clean_up;
}
}
#endif /* CONFIG_NVGPU_GRAPHICS */
gr->remove_support = gr_remove_support;

4
drivers/gpu/nvgpu/common/gr/gr_config.c
View File

@@ -234,10 +234,12 @@ static bool gr_config_alloc_struct_mem(struct gk20a *g,
gpc_size = nvgpu_safe_mult_u64((size_t)config->gpc_count, sizeof(u32));
config->gpc_tpc_count = nvgpu_kzalloc(g, gpc_size);
#ifdef CONFIG_NVGPU_GRAPHICS
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
config->max_zcull_per_gpc_count = nvgpu_get_litter_value(g,
GPU_LIT_NUM_ZCULL_BANKS);
config->gpc_zcb_count = nvgpu_kzalloc(g, gpc_size);
}
#endif
config->gpc_ppc_count = nvgpu_kzalloc(g, gpc_size);
@@ -403,11 +405,13 @@ struct nvgpu_gr_config *nvgpu_gr_config_init(struct gk20a *g)
config->gpc_tpc_count[gpc_index]);
#ifdef CONFIG_NVGPU_GRAPHICS
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
config->gpc_zcb_count[gpc_index] =
g->ops.gr.config.get_zcull_count_in_gpc(g, config,
gpc_index);
config->zcb_count = nvgpu_safe_add_u32(config->zcb_count,
config->gpc_zcb_count[gpc_index]);
}
#endif
gr_config_init_pes_tpc(g, config, gpc_index);

2
drivers/gpu/nvgpu/hal/gr/falcon/gr_falcon_gm20b_fusa.c
View File

@@ -576,6 +576,7 @@ defined(CONFIG_NVGPU_CTXSW_FW_ERROR_CODE_TESTING)
#endif
#ifdef CONFIG_NVGPU_GRAPHICS
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
ret = g->ops.gr.falcon.ctrl_ctxsw(g,
NVGPU_GR_FALCON_METHOD_CTXSW_DISCOVER_ZCULL_IMAGE_SIZE,
0, &sizes->zcull_image_size);
@@ -584,6 +585,7 @@ defined(CONFIG_NVGPU_CTXSW_FW_ERROR_CODE_TESTING)
"query zcull ctx image size failed");
return ret;
}
}
nvgpu_log(g, gpu_dbg_gr, "ZCULL image size = %u", sizes->zcull_image_size);
#endif

2
drivers/gpu/nvgpu/hal/gr/falcon/gr_falcon_gp10b_fusa.c
View File

@@ -43,6 +43,7 @@ int gp10b_gr_falcon_init_ctx_state(struct gk20a *g,
return err;
}
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
err = g->ops.gr.falcon.ctrl_ctxsw(g,
NVGPU_GR_FALCON_METHOD_PREEMPT_IMAGE_SIZE, 0U,
&sizes->preempt_image_size);
@@ -50,6 +51,7 @@ int gp10b_gr_falcon_init_ctx_state(struct gk20a *g,
nvgpu_err(g, "query preempt image size failed");
return err;
}
}
nvgpu_log(g, gpu_dbg_gr, "Preempt image size = %u", sizes->preempt_image_size);
#endif

3
drivers/gpu/nvgpu/os/linux/driver_common.c
View File

@@ -205,6 +205,9 @@ static void nvgpu_init_pm_vars(struct gk20a *g)
nvgpu_platform_is_silicon(g) ? platform->enable_mscg : false;
g->can_elpg =
nvgpu_platform_is_silicon(g) ? platform->can_elpg_init : false;
if (nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
g->can_elpg = false;
}
nvgpu_set_enabled(g, NVGPU_PMU_PERFMON, platform->enable_perfmon);
}