gpu: nvgpu: Enable CE always

All GPUs have a copy engine. So delete the flag has_ce, because
it's always true.

JIRA NVGPU-16

Change-Id: I89db74c7cf66b24db84301b79832862ef28100b9
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1325355
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
(cherry picked from commit 81660ab58c)
Reviewed-on: http://git-master/r/1328222
Reviewed-by: David Martinez Nieto <dmartineznie@nvidia.com>
Tested-by: David Martinez Nieto <dmartineznie@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sumeet Gupta <sumeetg@nvidia.com>

drivers/gpu/nvgpu/gk20a/ce2_gk20a.c

@@ -709,9 +709,6 @@ void gk20a_ce_debugfs_init(struct device *dev)
 	struct gk20a_platform *platform = dev_get_drvdata(dev);
 	struct gk20a *g = get_gk20a(dev);
 
-	if (!platform->has_ce)
-		return;
-
 	debugfs_create_u32("ce_app_ctx_count", S_IWUSR | S_IRUGO,
 			   platform->debugfs, &g->ce_app.ctx_count);
 	debugfs_create_u32("ce_app_state", S_IWUSR | S_IRUGO,

drivers/gpu/nvgpu/gk20a/gk20a.c

@@ -806,8 +806,7 @@ static int gk20a_pm_prepare_poweroff(struct device *dev)
 	/* cancel any pending cde work */
 	gk20a_cde_suspend(g);
 
-	if (platform->has_ce)
-		gk20a_ce_suspend(g);
+	gk20a_ce_suspend(g);
 
 	ret = gk20a_channel_suspend(g);
 	if (ret)
@@ -1095,8 +1094,7 @@ int gk20a_pm_finalize_poweron(struct device *dev)
 	if (platform->has_cde)
 		gk20a_init_cde_support(g);
 
-	if (platform->has_ce)
-		gk20a_init_ce_support(g);
+	gk20a_init_ce_support(g);
 
 	gk20a_init_mm_ce_context(g);
 
@@ -1687,8 +1685,7 @@ static int __exit gk20a_remove(struct platform_device *pdev)
 	if (g->remove_support)
 		g->remove_support(dev);
 
-	if (platform->has_ce)
-		gk20a_ce_destroy(g);
+	gk20a_ce_destroy(g);
 
 #ifdef CONFIG_ARCH_TEGRA_18x_SOC
 	nvgpu_clk_arb_cleanup_arbiter(g);

drivers/gpu/nvgpu/gk20a/mm_gk20a.c

@@ -806,15 +806,13 @@ static void gk20a_vidmem_destroy(struct gk20a *g)
 static void gk20a_remove_mm_ce_support(struct mm_gk20a *mm)
 {
 	struct gk20a *g = gk20a_from_mm(mm);
-	struct gk20a_platform *platform = gk20a_get_platform(g->dev);
 
 	if (mm->vidmem.ce_ctx_id != (u32)~0)
 		gk20a_ce_delete_context(g->dev, mm->vidmem.ce_ctx_id);
 
 	mm->vidmem.ce_ctx_id = (u32)~0;
 
-	if (platform->has_ce)
-		gk20a_vm_remove_support_nofree(&mm->ce.vm);
+	gk20a_vm_remove_support_nofree(&mm->ce.vm);
 
 }
 
@@ -989,7 +987,6 @@ int gk20a_init_mm_setup_sw(struct gk20a *g)
 {
 	struct mm_gk20a *mm = &g->mm;
 	int err;
-	struct gk20a_platform *platform = gk20a_get_platform(g->dev);
 
 	gk20a_dbg_fn("");
 
@@ -1054,11 +1051,9 @@ int gk20a_init_mm_setup_sw(struct gk20a *g)
 	if (err)
 		return err;
 
-	if (platform->has_ce) {
-		err = gk20a_init_ce_vm(mm);
-		if (err)
-			return err;
-	}
+	err = gk20a_init_ce_vm(mm);
+	if (err)
+		return err;
 
 	/* set vm_alloc_share op here as gk20a_as_alloc_share needs it */
 	g->ops.mm.vm_alloc_share = gk20a_vm_alloc_share;

drivers/gpu/nvgpu/gk20a/platform_gk20a.h

@@ -244,8 +244,6 @@ struct gk20a_platform {
 
 	bool has_cde;
 
-	bool has_ce;
-
 	/* soc name for finding firmware files */
 	const char *soc_name;
 

drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c

@@ -1072,8 +1072,6 @@ struct gk20a_platform gk20a_tegra_platform = {
 	.secure_page_alloc = gk20a_tegra_secure_page_alloc,
 	.dump_platform_dependencies = gk20a_tegra_debug_dump,
 
-	.has_ce = true,
-
 	.soc_name = "tegra12x",
 
 	.vidmem_is_vidmem = false,
@@ -1150,8 +1148,6 @@ struct gk20a_platform gm20b_tegra_platform = {
 
 	.has_cde = true,
 
-	.has_ce = true,
-
 	.soc_name = "tegra21x",
 
 	.vidmem_is_vidmem = false,

drivers/gpu/nvgpu/gp10b/platform_gp10b_tegra.c

@@ -440,8 +440,6 @@ struct gk20a_platform gp10b_tegra_platform = {
 
 	.has_cde = true,
 
-	.has_ce = true,
-
 	.clk_get_rate = gp10b_get_clk_rate,
 	.clk_round_rate = gp10b_round_clk_rate,
 	.clk_set_rate = gp10b_set_clk_rate,

drivers/gpu/nvgpu/pci.c

@@ -83,8 +83,6 @@ static struct gk20a_platform nvgpu_pci_device[] = {
 
 	.ch_wdt_timeout_ms = 7000,
 
-	.has_ce = true,
-
 	.vidmem_is_vidmem = true,
 	.vbios_min_version = 0x86063000,
 	.hardcode_sw_threshold = true,
@@ -117,8 +115,6 @@ static struct gk20a_platform nvgpu_pci_device[] = {
 
 	.ch_wdt_timeout_ms = 7000,
 
-	.has_ce = true,
-
 	.vidmem_is_vidmem = true,
 	.vbios_min_version = 0x86062d00,
 	.hardcode_sw_threshold = true,
@@ -151,8 +147,6 @@ static struct gk20a_platform nvgpu_pci_device[] = {
 
 	.ch_wdt_timeout_ms = 7000,
 
-	.has_ce = true,
-
 	.vidmem_is_vidmem = true,
 	.vbios_min_version = 0x86063000,
 	.hardcode_sw_threshold = true,
@@ -185,8 +179,6 @@ static struct gk20a_platform nvgpu_pci_device[] = {
 
 	.ch_wdt_timeout_ms = 7000,
 
-	.has_ce = true,
-
 	.vidmem_is_vidmem = true,
 	.vbios_min_version = 0x86064700,
 	.hardcode_sw_threshold = false,