gpu: nvgpu: remove unnecessary hal gops.gr.gr_enable_hw()

gops.gr.gr_enable_hw() is a common function and not referred on vGPU.
Remove HAL pointer and directly use nvgpu_gr_enable_hw() instead.

Jira NVGPU-5648

Change-Id: Id031024ed01f9d890cffb5902cc433800810b219
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2403548
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@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>

drivers/gpu/nvgpu/common/init/nvgpu_init.c

@@ -659,7 +659,7 @@ int nvgpu_finalize_poweron(struct gk20a *g)
 		NVGPU_INIT_TABLE_ENTRY(&nvgpu_netlist_init_ctx_vars, NO_FLAG),
 		/* prepare portion of sw required for enable hw */
 		NVGPU_INIT_TABLE_ENTRY(&nvgpu_gr_alloc, NO_FLAG),
-		NVGPU_INIT_TABLE_ENTRY(g->ops.gr.gr_enable_hw, NO_FLAG),
+		NVGPU_INIT_TABLE_ENTRY(&nvgpu_gr_enable_hw, NO_FLAG),
 		NVGPU_INIT_TABLE_ENTRY(g->ops.acr.acr_construct_execute,
 				       NVGPU_SEC_PRIVSECURITY),
 #ifdef CONFIG_NVGPU_DGPU

drivers/gpu/nvgpu/hal/init/hal_gm20b.c

@@ -190,7 +190,6 @@ static const struct gpu_ops gm20b_ops = {
 		.isr_nonstall = gk20a_ce2_nonstall_isr,
 	},
 	.gr = {
-		.gr_enable_hw = nvgpu_gr_enable_hw,
 		.gr_init_support = nvgpu_gr_init_support,
 		.gr_suspend = nvgpu_gr_suspend,
 #ifdef CONFIG_NVGPU_DEBUGGER

drivers/gpu/nvgpu/hal/init/hal_gp10b.c

@@ -238,7 +238,6 @@ static const struct gpu_ops gp10b_ops = {
 		.isr_nonstall = gp10b_ce_nonstall_isr,
 	},
 	.gr = {
-		.gr_enable_hw = nvgpu_gr_enable_hw,
 		.gr_init_support = nvgpu_gr_init_support,
 		.gr_suspend = nvgpu_gr_suspend,
 #ifdef CONFIG_NVGPU_DEBUGGER

drivers/gpu/nvgpu/hal/init/hal_gv11b.c

@@ -305,7 +305,6 @@ NVGPU_COV_WHITELIST_BLOCK_END(NVGPU_MISRA(Rule, 8_7))
 		.init_prod_values = gv11b_ce_init_prod_values,
 	},
 	.gr = {
-		.gr_enable_hw = nvgpu_gr_enable_hw,
 		.gr_init_support = nvgpu_gr_init_support,
 		.gr_suspend = nvgpu_gr_suspend,
 #ifdef CONFIG_NVGPU_DEBUGGER

drivers/gpu/nvgpu/hal/init/hal_tu104.c

@@ -350,7 +350,6 @@ static const struct gpu_ops tu104_ops = {
 		.init_prod_values = gv11b_ce_init_prod_values,
 	},
 	.gr = {
-		.gr_enable_hw = nvgpu_gr_enable_hw,
 		.gr_init_support = nvgpu_gr_init_support,
 		.gr_suspend = nvgpu_gr_suspend,
 #ifdef CONFIG_NVGPU_DEBUGGER

drivers/gpu/nvgpu/hal/vgpu/init/vgpu_hal_gp10b.c

@@ -175,7 +175,6 @@ static const struct gpu_ops vgpu_gp10b_ops = {
 		.get_num_pce = vgpu_ce_get_num_pce,
 	},
 	.gr = {
-		.gr_enable_hw = nvgpu_gr_enable_hw,
 		.gr_init_support = nvgpu_gr_init_support,
 		.gr_suspend = nvgpu_gr_suspend,
 #ifdef CONFIG_NVGPU_DEBUGGER

drivers/gpu/nvgpu/hal/vgpu/init/vgpu_hal_gv11b.c

@@ -234,7 +234,6 @@ static const struct gpu_ops vgpu_gv11b_ops = {
 		.get_num_pce = vgpu_ce_get_num_pce,
 	},
 	.gr = {
-		.gr_enable_hw = nvgpu_gr_enable_hw,
 		.gr_init_support = nvgpu_gr_init_support,
 		.gr_suspend = nvgpu_gr_suspend,
 #ifdef CONFIG_NVGPU_DEBUGGER

drivers/gpu/nvgpu/include/nvgpu/gops_gr.h

@@ -998,22 +998,6 @@ struct gops_gr_zcull {
  * @see gpu_ops
  */
 struct gops_gr {
-	/**
-	 * @brief Enable GR engine h/w.
-	 *
-	 * @param g [in]		Pointer to GPU driver struct.
-	 *
-	 * This HAL enables GR engine h/w.
-	 * This HAL always maps to #nvgpu_gr_enable_hw.
-	 *
-	 * @return 0 in case of success, < 0 in case of failure.
-	 * @retval -ETIMEDOUT if falcon mem scrubbing times out.
-	 * @retval -EAGAIN if GR engine idle wait times out.
-	 *
-	 * @see nvgpu_gr_enable_hw
-	 */
-	int (*gr_enable_hw)(struct gk20a *g);
-
 	/**
 	 * @brief Initialize GR engine support.
 	 *

userspace/units/gr/nvgpu-gr.h

@@ -83,7 +83,7 @@ int test_gr_remove_setup(struct unit_module *m, struct gk20a *g, void *args);
  *
  * Test Type: Feature
  *
- * Targets: gops_gr.gr_enable_hw, nvgpu_gr_enable_hw,
+ * Targets: nvgpu_gr_enable_hw,
  *          gops_gr_intr.enable_hww_exceptions,
  *          gv11b_gr_intr_enable_hww_exceptions,
  *          gops_gr_intr.enable_interrupts,

userspace/units/init/nvgpu-init.c

@@ -404,7 +404,6 @@ static void set_poweron_funcs_success(struct gk20a *g)
 	setup_simple_init_func_success(&g->ops.mm.init_mm_support, i++);
 	setup_simple_init_func_success(&g->ops.fifo.fifo_init_support, i++);
 	setup_simple_init_func_success(&g->ops.therm.elcg_init_idle_filters, i++);
-	setup_simple_init_func_success(&g->ops.gr.gr_enable_hw, i++);
 	setup_simple_init_func_success(&g->ops.fbp.fbp_init_support, i++);
 	setup_simple_init_func_success(&g->ops.gr.gr_init_support, i++);
 	setup_simple_init_func_success(&g->ops.ecc.ecc_finalize_support, i++);