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gpu: nvgpu: remove blcg_enable/disable

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blcg is always enabled by default and there is no need for disabling
this during gr init or gr reset.

Bug 2866010

Change-Id: Iaf17b7fdf05ad04fe435e1a1fda758deedc6484c
Signed-off-by: ddutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2303114
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@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:
ddutta
2020-02-26 16:07:29 +05:30
committed by mobile promotions
parent aaecfae53f
commit fbad02d5e0
4 changed files with 0 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/nvgpu/common/pmu/pmu.c
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@@ -529,8 +529,6 @@ static int nvgpu_pg_init_task(void *arg)
gk20a_gr_wait_initialized(g); gk20a_gr_wait_initialized(g);
nvgpu_cg_blcg_enable_no_wait(g);
nvgpu_cg_elcg_enable_no_wait(g); nvgpu_cg_elcg_enable_no_wait(g);
return 0; return 0;

28
drivers/gpu/nvgpu/common/power_features/cg/cg.c
View File

@@ -84,34 +84,6 @@ void nvgpu_cg_elcg_disable_no_wait(struct gk20a *g)
nvgpu_mutex_release(&g->cg_pg_lock); nvgpu_mutex_release(&g->cg_pg_lock);
} }
void nvgpu_cg_blcg_disable_no_wait(struct gk20a *g) {
nvgpu_log_fn(g, " ");
if (!nvgpu_is_enabled(g, NVGPU_GPU_CAN_BLCG)) {
return;
}
nvgpu_mutex_acquire(&g->cg_pg_lock);
if (g->blcg_enabled) {
nvgpu_cg_set_mode(g, BLCG_MODE, BLCG_RUN);
}
nvgpu_mutex_release(&g->cg_pg_lock);
}
void nvgpu_cg_blcg_enable_no_wait(struct gk20a *g) {
nvgpu_log_fn(g, " ");
if (!nvgpu_is_enabled(g, NVGPU_GPU_CAN_BLCG)) {
return;
}
nvgpu_mutex_acquire(&g->cg_pg_lock);
if (g->blcg_enabled) {
nvgpu_cg_set_mode(g, BLCG_MODE, BLCG_AUTO);
}
nvgpu_mutex_release(&g->cg_pg_lock);
}
void nvgpu_cg_elcg_enable(struct gk20a *g) void nvgpu_cg_elcg_enable(struct gk20a *g)
{ {
nvgpu_log_fn(g, " "); nvgpu_log_fn(g, " ");

4
drivers/gpu/nvgpu/gk20a/gr_gk20a.c
View File

@@ -4694,9 +4694,6 @@ static int gk20a_init_gr_prepare(struct gk20a *g)
/* Disable elcg until it gets enabled later in the init*/ /* Disable elcg until it gets enabled later in the init*/
nvgpu_cg_elcg_disable_no_wait(g); nvgpu_cg_elcg_disable_no_wait(g);
/* Disable blcg until it gets enabled later in the init*/
nvgpu_cg_blcg_disable_no_wait(g);
/* enable fifo access */ /* enable fifo access */
gk20a_writel(g, gr_gpfifo_ctl_r(), gk20a_writel(g, gr_gpfifo_ctl_r(),
gr_gpfifo_ctl_access_enabled_f() | gr_gpfifo_ctl_access_enabled_f() |
@@ -5163,7 +5160,6 @@ int gk20a_gr_reset(struct gk20a *g)
nvgpu_cg_init_gr_load_gating_prod(g); nvgpu_cg_init_gr_load_gating_prod(g);
nvgpu_cg_elcg_enable_no_wait(g); nvgpu_cg_elcg_enable_no_wait(g);
nvgpu_cg_blcg_enable_no_wait(g);
/* GR is inialized, signal possible waiters */ /* GR is inialized, signal possible waiters */
g->gr.initialized = true; g->gr.initialized = true;

2
drivers/gpu/nvgpu/include/nvgpu/power_features/cg.h
View File

@@ -35,8 +35,6 @@ void nvgpu_cg_elcg_disable(struct gk20a *g);
void nvgpu_cg_elcg_enable_no_wait(struct gk20a *g); void nvgpu_cg_elcg_enable_no_wait(struct gk20a *g);
void nvgpu_cg_elcg_disable_no_wait(struct gk20a *g); void nvgpu_cg_elcg_disable_no_wait(struct gk20a *g);
void nvgpu_cg_elcg_set_elcg_enabled(struct gk20a *g, bool enable); void nvgpu_cg_elcg_set_elcg_enabled(struct gk20a *g, bool enable);
void nvgpu_cg_blcg_disable_no_wait(struct gk20a *g);
void nvgpu_cg_blcg_enable_no_wait(struct gk20a *g);
void nvgpu_cg_blcg_mode_enable(struct gk20a *g); void nvgpu_cg_blcg_mode_enable(struct gk20a *g);
void nvgpu_cg_blcg_mode_disable(struct gk20a *g); void nvgpu_cg_blcg_mode_disable(struct gk20a *g);