gpu: nvgpu: remove blcg_enable/disable

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>

4 files changed, 0 insertions, 36 deletions

diff --git a/drivers/gpu/nvgpu/common/pmu/pmu.c b/drivers/gpu/nvgpu/common/pmu/pmu.c
index 59d38277..413db0a6 100644
--- a/drivers/gpu/nvgpu/common/pmu/pmu.c
+++ b/drivers/gpu/nvgpu/common/pmu/pmu.c
@@ -529,8 +529,6 @@ static int nvgpu_pg_init_task(void *arg)
 
                         gk20a_gr_wait_initialized(g);
 
-                        nvgpu_cg_blcg_enable_no_wait(g);
-
                         nvgpu_cg_elcg_enable_no_wait(g);
 
                         return 0;
diff --git a/drivers/gpu/nvgpu/common/power_features/cg/cg.c b/drivers/gpu/nvgpu/common/power_features/cg/cg.c
index a966c4c6..7b66a81d 100644
--- a/drivers/gpu/nvgpu/common/power_features/cg/cg.c
+++ b/drivers/gpu/nvgpu/common/power_features/cg/cg.c
@@ -84,34 +84,6 @@ void nvgpu_cg_elcg_disable_no_wait(struct gk20a *g)
         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)
 {
         nvgpu_log_fn(g, " ");
diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index d24b8bf7..989ee5c9 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -4694,9 +4694,6 @@ static int gk20a_init_gr_prepare(struct gk20a *g)
         /* Disable elcg until it gets enabled later in the init*/
         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 */
         gk20a_writel(g, gr_gpfifo_ctl_r(),
                 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_elcg_enable_no_wait(g);
-        nvgpu_cg_blcg_enable_no_wait(g);
 
         /* GR is inialized, signal possible waiters */
         g->gr.initialized = true;
diff --git a/drivers/gpu/nvgpu/include/nvgpu/power_features/cg.h b/drivers/gpu/nvgpu/include/nvgpu/power_features/cg.h
index e2395176..d447d9b4 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/power_features/cg.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/power_features/cg.h
@@ -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_disable_no_wait(struct gk20a *g);
 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_disable(struct gk20a *g);