gpu: nvgpu: add sw method for SET_BES_CROP_DEBUG4

Added sw method support for SET_BES_CROP_DEBUG4.
In this sw method:
CLAMP_FP_BLEND_TO_MAXVAL forces overflow and
CLAMP_FP_BLEND_TO_INF blend results to clamp to FP maxval.

Added support for this sw method in gp10b/gp106/gv11b
and gv100.

Bug 2046636

Change-Id: I3a9e97587aca76718f7f504ea3b853f87409092a
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1641529
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/gr_gp10b.c b/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
index 549a4da4..17685f59 100644
--- a/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/gr_gp10b.c
@@ -695,6 +695,30 @@ void gr_gp10b_set_bes_crop_debug3(struct gk20a *g, u32 data)
         gk20a_writel(g, gr_bes_crop_debug3_r(), val);
 }
 
+void gr_gp10b_set_bes_crop_debug4(struct gk20a *g, u32 data)
+{
+        u32 val;
+
+        nvgpu_log_fn(g, " ");
+
+        val = gk20a_readl(g, gr_bes_crop_debug4_r());
+        if (data & NVC097_BES_CROP_DEBUG4_CLAMP_FP_BLEND_TO_MAXVAL) {
+                val = set_field(val,
+                        gr_bes_crop_debug4_clamp_fp_blend_m(),
+                        gr_bes_crop_debug4_clamp_fp_blend_to_maxval_f());
+        } else if (data & NVC097_BES_CROP_DEBUG4_CLAMP_FP_BLEND_TO_INF) {
+                val = set_field(val,
+                        gr_bes_crop_debug4_clamp_fp_blend_m(),
+                        gr_bes_crop_debug4_clamp_fp_blend_to_inf_f());
+        } else {
+                nvgpu_warn(g,
+                        "gr_gp10b_set_bes_crop_debug4: wrong data sent!");
+                return;
+        }
+        gk20a_writel(g, gr_bes_crop_debug4_r(), val);
+}
+
+
 int gr_gp10b_handle_sw_method(struct gk20a *g, u32 addr,
                                      u32 class_num, u32 offset, u32 data)
 {
@@ -736,6 +760,9 @@ int gr_gp10b_handle_sw_method(struct gk20a *g, u32 addr,
                 case NVC097_SET_BES_CROP_DEBUG3:
                         g->ops.gr.set_bes_crop_debug3(g, data);
                         break;
+                case NVC097_SET_BES_CROP_DEBUG4:
+                        g->ops.gr.set_bes_crop_debug4(g, data);
+                        break;
                 default:
                         goto fail;
                 }