video: tegra: host: gk20a: GM20B characteristics

This patch adds initial support for GM20B for GPU characteristics
IOCTL.

Bug 1392902

Change-Id: I55bfb7e087244eae1462d44319bd91c7c0901c2e
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/359227
Reviewed-by: Automatic_Commit_Validation_User

2 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index 97649b19..0dc0dca5 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -1625,6 +1625,11 @@ static u32 gk20a_determine_L2_size_bytes(struct gk20a *g)
                 bytes_per_line = 128;
                 break;
 
+        case GK20A_GPUID_GM20B:
+                lts_per_ltc = 2;
+                bytes_per_line = 128;
+                break;
+
         default:
                 dev_err(dev_from_gk20a(g), "Unknown GPU id 0x%02x\n",
                         (unsigned)gpuid);
diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 48b0f0a6..b8de8744 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -567,6 +567,9 @@ gk20a_request_firmware(struct gk20a *g, const char *fw_name);
 #define GK20A_GPUID_GK20A \
         GK20A_GPUID(NVHOST_GPU_ARCH_GK100, NVHOST_GPU_IMPL_GK20A)
 
+#define GK20A_GPUID_GM20B \
+        GK20A_GPUID(NVHOST_GPU_ARCH_GM200, NVHOST_GPU_IMPL_GM20B)
+
 int gk20a_init_gpu_characteristics(struct gk20a *g);
 
 #endif /* _NVHOST_GK20A_H_ */