gpu: nvgpu: ZBC update without idle

Do ZBC updates without forcing engine idle first.

Bug 1698013

Change-Id: I99218c8cfd02be05dace2003b8d91921765f7ca9
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/829145

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/ltc_common.c b/drivers/gpu/nvgpu/gk20a/ltc_common.c
index 6fbd0c2d..1c18418c 100644
--- a/drivers/gpu/nvgpu/gk20a/ltc_common.c
+++ b/drivers/gpu/nvgpu/gk20a/ltc_common.c
@@ -52,9 +52,10 @@ static void gk20a_ltc_set_zbc_color_entry(struct gk20a *g,
                      ltc_ltcs_ltss_dstg_zbc_index_address_f(real_index));
 
         for (i = 0;
-             i < ltc_ltcs_ltss_dstg_zbc_color_clear_value__size_1_v(); i++)
-                gk20a_writel(g, ltc_ltcs_ltss_dstg_zbc_color_clear_value_r(i),
+             i < ltc_ltcs_ltss_dstg_zbc_color_clear_value__size_1_v(); i++) {
+                gk20a_writel_check(g, ltc_ltcs_ltss_dstg_zbc_color_clear_value_r(i),
                              color_val->color_l2[i]);
+        }
 }
 
 /*
@@ -69,7 +70,7 @@ static void gk20a_ltc_set_zbc_depth_entry(struct gk20a *g,
         gk20a_writel(g, ltc_ltcs_ltss_dstg_zbc_index_r(),
                      ltc_ltcs_ltss_dstg_zbc_index_address_f(real_index));
 
-        gk20a_writel(g, ltc_ltcs_ltss_dstg_zbc_depth_clear_value_r(),
+        gk20a_writel_check(g, ltc_ltcs_ltss_dstg_zbc_depth_clear_value_r(),
                      depth_val->depth);
 }