gpu: nvgpu: gm20b: halify tpc lookup

Since the number of TPCs is different between GM20B and GK20a,
the function to look up the number of TPCs needs to be halified.

Change-Id: I19dab9a7105814f86c08c92283a0bb70abb6aa00
Signed-off-by: Mayank Kaushik <mkaushik@nvidia.com>
Reviewed-on: http://git-master/r/500064
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/gr_gm20b.c b/drivers/gpu/nvgpu/gm20b/gr_gm20b.c
index 8a3de4e8..835ff6bf 100644
--- a/drivers/gpu/nvgpu/gm20b/gr_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/gr_gm20b.c
@@ -614,6 +614,37 @@ static int gr_gm20b_load_ctxsw_ucode_segments(struct gk20a *g, u64 addr_base,
         return 0;
 }
 
+static bool gr_gm20b_is_tpc_addr_shared(u32 addr)
+{
+        return (addr >= proj_tpc_in_gpc_shared_base_v()) &&
+                (addr < (proj_tpc_in_gpc_shared_base_v() +
+                         proj_tpc_in_gpc_stride_v()));
+}
+
+static bool gr_gm20b_is_tpc_addr(u32 addr)
+{
+        return ((addr >= proj_tpc_in_gpc_base_v()) &&
+                (addr < proj_tpc_in_gpc_base_v() +
+                 (proj_scal_litter_num_tpc_per_gpc_v() *
+                  proj_tpc_in_gpc_stride_v())))
+                || gr_gm20b_is_tpc_addr_shared(addr);
+}
+
+static u32 gr_gm20b_get_tpc_num(u32 addr)
+{
+        u32 i, start;
+        u32 num_tpcs = proj_scal_litter_num_tpc_per_gpc_v();
+
+        for (i = 0; i < num_tpcs; i++) {
+                start = proj_tpc_in_gpc_base_v() +
+                        (i * proj_tpc_in_gpc_stride_v());
+                if ((addr >= start) &&
+                    (addr < (start + proj_tpc_in_gpc_stride_v())))
+                        return i;
+        }
+        return 0;
+}
+
 #ifdef CONFIG_TEGRA_ACR
 static void gr_gm20b_load_gpccs_with_bootloader(struct gk20a *g)
 {
@@ -748,4 +779,6 @@ void gm20b_init_gr(struct gpu_ops *gops)
         gops->gr.free_obj_ctx = gk20a_free_obj_ctx;
         gops->gr.bind_ctxsw_zcull = gr_gk20a_bind_ctxsw_zcull;
         gops->gr.get_zcull_info = gr_gk20a_get_zcull_info;
+        gops->gr.is_tpc_addr = gr_gm20b_is_tpc_addr;
+        gops->gr.get_tpc_num = gr_gm20b_get_tpc_num;
 }