1 files changed, 59 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/platform_gv11b_tegra.c b/drivers/gpu/nvgpu/gv11b/platform_gv11b_tegra.c
index 97845035..8ca9dd30 100644
--- a/drivers/gpu/nvgpu/gv11b/platform_gv11b_tegra.c
+++ b/drivers/gpu/nvgpu/gv11b/platform_gv11b_tegra.c
@@ -27,11 +27,13 @@
 #include "tegra/linux/clk.h"
 
 #include "gp10b/platform_gp10b.h"
+#include "tegra/linux/platform_gp10b_tegra.h"
 
 #include "tegra/linux/platform_gk20a_tegra.h"
 #include "gr_gv11b.h"
 #include "nvgpu_gpuid_t19x.h"
 
+static void gr_gv11b_remove_sysfs(struct device *dev);
 
 static int gv11b_tegra_probe(struct device *dev)
 {
@@ -57,6 +59,15 @@ static int gv11b_tegra_probe(struct device *dev)
         return 0;
 }
 
+static int gv11b_tegra_remove(struct device *dev)
+{
+        gp10b_tegra_remove(dev);
+
+        gr_gv11b_remove_sysfs(dev);
+
+        return 0;
+}
+
 static bool gv11b_tegra_is_railgated(struct device *dev)
 {
         bool ret = false;
@@ -89,6 +100,7 @@ struct gk20a_platform t19x_gpu_tegra_platform = {
         .ptimer_src_freq        = 31250000,
 
         .probe = gv11b_tegra_probe,
+        .remove = gv11b_tegra_remove,
 
         /* power management callbacks */
         .suspend = gv11b_tegra_suspend,
@@ -110,3 +122,50 @@ struct gk20a_platform t19x_gpu_tegra_platform = {
         .reset_assert = gp10b_tegra_reset_assert,
         .reset_deassert = gp10b_tegra_reset_deassert,
 };
+
+static struct device_attribute *dev_attr_sm_l1_tag_ecc_corrected_err_count_array;
+static struct device_attribute *dev_attr_sm_l1_tag_ecc_uncorrected_err_count_array;
+
+void gr_gv11b_create_sysfs(struct device *dev)
+{
+        struct gk20a *g = get_gk20a(dev);
+        int error = 0;
+        /* This stat creation function is called on GR init. GR can get
+       initialized multiple times but we only need to create the ECC
+       stats once. Therefore, add the following check to avoid
+       creating duplicate stat sysfs nodes. */
+        if (g->gr.t19x.ecc_stats.sm_l1_tag_corrected_err_count.counters != NULL)
+                return;
+
+        gr_gp10b_create_sysfs(dev);
+
+        error |= gr_gp10b_ecc_stat_create(dev,
+                                0,
+                                "sm_l1_tag_ecc_corrected_err_count",
+                                &g->gr.t19x.ecc_stats.sm_l1_tag_corrected_err_count,
+                                dev_attr_sm_l1_tag_ecc_corrected_err_count_array);
+
+        error |= gr_gp10b_ecc_stat_create(dev,
+                                0,
+                                "sm_l1_tag_ecc_uncorrected_err_count",
+                                &g->gr.t19x.ecc_stats.sm_l1_tag_uncorrected_err_count,
+                                dev_attr_sm_l1_tag_ecc_uncorrected_err_count_array);
+
+        if (error)
+                dev_err(dev, "Failed to create gv11b sysfs attributes!\n");
+}
+
+static void gr_gv11b_remove_sysfs(struct device *dev)
+{
+        struct gk20a *g = get_gk20a(dev);
+
+        gr_gp10b_ecc_stat_remove(dev,
+                        0,
+                        &g->gr.t19x.ecc_stats.sm_l1_tag_corrected_err_count,
+                        dev_attr_sm_l1_tag_ecc_corrected_err_count_array);
+
+        gr_gp10b_ecc_stat_remove(dev,
+                        0,
+                        &g->gr.t19x.ecc_stats.sm_l1_tag_uncorrected_err_count,
+                        dev_attr_sm_l1_tag_ecc_uncorrected_err_count_array);
+}