gpu: nvgpu: Do not touch gr status mask

GR status disable mask was never set, so driver always disabled all
engines from status rollup.

Change-Id: I500a127be9253294f73d1f42ce89b886471a9117
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/719141

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index 0aa0037f..4933d442 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -4214,10 +4214,6 @@ static int gk20a_init_gr_setup_hw(struct gk20a *g)
         gk20a_writel(g, gr_exception2_r(), 0xFFFFFFFF);
         gk20a_writel(g, gr_exception2_en_r(), 0xFFFFFFFF);
 
-        /* ignore status from some units */
-        data = gk20a_readl(g, gr_status_mask_r());
-        gk20a_writel(g, gr_status_mask_r(), data & gr->status_disable_mask);
-
         gr_gk20a_load_zbc_table(g, gr);
 
         g->ops.ltc.init_cbc(g, gr);