gpu: nvgpu: vgpu: add new attributes

Add support for reading num FBPs and FBP enable mask.

Bug 1621056

Change-Id: I92ec1123373308ed280d4ffd30fe77ae6073ac45
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/715826
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/gr_vgpu.c b/drivers/gpu/nvgpu/vgpu/gr_vgpu.c
index 8c41c3d9..60880f6d 100644
--- a/drivers/gpu/nvgpu/vgpu/gr_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/gr_vgpu.c
@@ -629,6 +629,34 @@ static u32 vgpu_gr_get_gpc_tpc_mask(struct gk20a *g, u32 gpc_index)
         return 0x1;
 }
 
+static u32 vgpu_gr_get_max_fbps_count(struct gk20a *g)
+{
+        struct gk20a_platform *platform = gk20a_get_platform(g->dev);
+        u32 max_fbps_count = 0;
+
+        gk20a_dbg_fn("");
+
+        if (vgpu_get_attribute(platform->virt_handle,
+                        TEGRA_VGPU_ATTRIB_NUM_FBPS, &max_fbps_count))
+                gk20a_err(dev_from_gk20a(g), "failed to retrieve num fbps");
+
+        return max_fbps_count;
+}
+
+static u32 vgpu_gr_get_fbp_en_mask(struct gk20a *g)
+{
+        struct gk20a_platform *platform = gk20a_get_platform(g->dev);
+        u32 fbp_en_mask = 0;
+
+        gk20a_dbg_fn("");
+
+        if (vgpu_get_attribute(platform->virt_handle,
+                        TEGRA_VGPU_ATTRIB_FBP_EN_MASK, &fbp_en_mask))
+                gk20a_err(dev_from_gk20a(g), "failed to retrieve fbp en mask");
+
+        return fbp_en_mask;
+}
+
 static void vgpu_remove_gr_support(struct gr_gk20a *gr)
 {
         gk20a_dbg_fn("");
@@ -748,4 +776,6 @@ void vgpu_init_gr_ops(struct gpu_ops *gops)
         gops->gr.get_zcull_info = vgpu_gr_get_zcull_info;
         gops->gr.detect_sm_arch = vgpu_gr_detect_sm_arch;
         gops->gr.get_gpc_tpc_mask = vgpu_gr_get_gpc_tpc_mask;
+        gops->gr.get_max_fbps_count = vgpu_gr_get_max_fbps_count;
+        gops->gr.get_fbp_en_mask = vgpu_gr_get_fbp_en_mask;
 }