gpu: nvgpu: VBIOS version check

Add a minimum VBIOS version field for each SKU. This requires the
gk20a_platform structure to be per SKU.

Also sets power_on back to false if there was any error in booting
GPU.

Bug 1811880

Change-Id: I23ef312f0db7061b31a3d503ded7e41ef45ad6b3
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1227229
(cherry picked from commit 69c9ab4349ec7526a7f8a2fcad01f9128ed4769c)
Reviewed-on: http://git-master/r/1239428
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gm206/bios_gm206.c b/drivers/gpu/nvgpu/gm206/bios_gm206.c
index ea65e392..aa40f410 100644
--- a/drivers/gpu/nvgpu/gm206/bios_gm206.c
+++ b/drivers/gpu/nvgpu/gm206/bios_gm206.c
@@ -894,6 +894,14 @@ static int gm206_bios_init(struct gk20a *g)
                 gk20a_err(g->dev, "no valid VBIOS found");
                 return -EINVAL;
         }
+
+        if (g->gpu_characteristics.vbios_version <
+            platform->vbios_min_version) {
+                gk20a_err(g->dev, "unsupported VBIOS version %08x",
+                                g->gpu_characteristics.vbios_version);
+                return -EINVAL;
+        }
+
         g->bios_blob.data = g->bios.data;
         g->bios_blob.size = g->bios.size;