gpu: nvgpu: add esc read for PPC_COUNT

Add esc read for GRCTX_REG_LIST_PPC_COUNT else
gr_gk20a_determine_ppc_configuration function would
return -EINVAL if num_pes_per_gpc i.e. GPU_LIT_NUM_PES_PER_GPC
is > 1

JIRA GPUT19X-49
Bug 200311674

Change-Id: Iee7ee9ba14fcc7dca07c4c1dc20f8e7d018ed820
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1522443
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Tested-by: Tushar Kashalikar <tkashalikar@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_ctx_gk20a_sim.c b/drivers/gpu/nvgpu/gk20a/gr_ctx_gk20a_sim.c
index 36071223..58e62d32 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_ctx_gk20a_sim.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_ctx_gk20a_sim.c
@@ -72,6 +72,8 @@ int gr_gk20a_init_ctx_vars_sim(struct gk20a *g, struct gr_gk20a *gr)
                             &g->gr.ctx_vars.ctxsw_regs.pm_gpc.count);
         gk20a_sim_esc_readl(g, "GRCTX_REG_LIST_PM_TPC_COUNT", 0,
                             &g->gr.ctx_vars.ctxsw_regs.pm_tpc.count);
+        gk20a_sim_esc_readl(g, "GRCTX_REG_LIST_PPC_COUNT", 0,
+                            &g->gr.ctx_vars.ctxsw_regs.ppc.count);
         gk20a_sim_esc_readl(g, "GRCTX_REG_LIST_ETPC_COUNT", 0,
                             &g->gr.ctx_vars.ctxsw_regs.etpc.count);