gpu: nvgpu: Add CDE program number selection for GP10B

Add CDE program number selection for GP10B.

Bug 1604102

Change-Id: I0054e670e3bc6b8c2380124eb58204088aaae275
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/785459
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 64 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/cde_gp10b.c b/drivers/gpu/nvgpu/gp10b/cde_gp10b.c
new file mode 100644
index 00000000..acb8aee3
--- /dev/null
+++ b/drivers/gpu/nvgpu/gp10b/cde_gp10b.c
@@ -0,0 +1,64 @@
+/*
+ * GP10B CDE
+ *
+ * Copyright (c) 2015, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#include "gk20a/gk20a.h"
+#include "cde_gp10b.h"
+
+enum gp10b_programs {
+        GP10B_PROG_HPASS              = 0,
+        GP10B_PROG_HPASS_4K           = 1,
+        GP10B_PROG_VPASS              = 2,
+        GP10B_PROG_VPASS_4K           = 3,
+        GP10B_PROG_HPASS_DEBUG        = 4,
+        GP10B_PROG_HPASS_4K_DEBUG     = 5,
+        GP10B_PROG_VPASS_DEBUG        = 6,
+        GP10B_PROG_VPASS_4K_DEBUG     = 7,
+        GP10B_PROG_PASSTHROUGH        = 8,
+};
+
+static void gp10b_cde_get_program_numbers(struct gk20a *g,
+                                          u32 block_height_log2,
+                                          int *hprog_out, int *vprog_out)
+{
+        int hprog, vprog;
+
+        if (g->cde_app.shader_parameter == 1) {
+                hprog = GP10B_PROG_PASSTHROUGH;
+                vprog = GP10B_PROG_PASSTHROUGH;
+        } else {
+                hprog = GP10B_PROG_HPASS;
+                vprog = GP10B_PROG_VPASS;
+                if (g->cde_app.shader_parameter == 2) {
+                        hprog = GP10B_PROG_HPASS_DEBUG;
+                        vprog = GP10B_PROG_VPASS_DEBUG;
+                }
+                if (g->mm.bypass_smmu) {
+                        if (!g->mm.disable_bigpage) {
+                                gk20a_warn(&g->dev->dev,
+                                           "when bypass_smmu is 1, disable_bigpage must be 1 too");
+                        }
+                        hprog |= 1;
+                        vprog |= 1;
+                }
+        }
+
+        *hprog_out = hprog;
+        *vprog_out = vprog;
+}
+
+void gp10b_init_cde_ops(struct gpu_ops *gops)
+{
+        gops->cde.get_program_numbers = gp10b_cde_get_program_numbers;
+}