gpu: nvgpu: populate gpu rev based on soc check

Populate gpu rev as 0xa2 for gv11b with t194 A02 soc.

Bug 2053668

Change-Id: I22a2bc7026162e34e9a605dfda3d83fa989b5248
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1713096
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Wei Sun <wsun@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index e862f2e4..9c95dc84 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -34,6 +34,7 @@
 #include <nvgpu/vidmem.h>
 #include <nvgpu/mm.h>
 #include <nvgpu/ctxsw_trace.h>
+#include <nvgpu/soc.h>
 
 #include <trace/events/gk20a.h>
 
@@ -77,6 +78,14 @@ int gk20a_detect_chip(struct gk20a *g)
 
         gk20a_mc_boot_0(g, &p->gpu_arch, &p->gpu_impl, &p->gpu_rev);
 
+        if ((p->gpu_arch + p->gpu_impl) == NVGPU_GPUID_GV11B) {
+
+                /* overwrite gpu revison for A02  */
+                if (!nvgpu_is_soc_t194_a01(g))
+                        p->gpu_rev = 0xa2;
+
+        }
+
         nvgpu_log_info(g, "arch: %x, impl: %x, rev: %x\n",
                         g->params.gpu_arch,
                         g->params.gpu_impl,