1 files changed, 20 insertions, 2 deletions

diff --git a/drivers/gpu/drm/tegra/gr3d.c b/drivers/gpu/drm/tegra/gr3d.c
index 4cec8f526af7..0cbb24b1ae04 100644
--- a/drivers/gpu/drm/tegra/gr3d.c
+++ b/drivers/gpu/drm/tegra/gr3d.c
@@ -11,6 +11,7 @@
 #include <linux/host1x.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/reset.h>
 #include <linux/tegra-powergate.h>
 
 #include "drm.h"
@@ -22,6 +23,8 @@ struct gr3d {
         struct host1x_channel *channel;
         struct clk *clk_secondary;
         struct clk *clk;
+        struct reset_control *rst_secondary;
+        struct reset_control *rst;
 
         DECLARE_BITMAP(addr_regs, GR3D_NUM_REGS);
 };
@@ -255,15 +258,29 @@ static int gr3d_probe(struct platform_device *pdev)
                 return PTR_ERR(gr3d->clk);
         }
 
+        gr3d->rst = devm_reset_control_get(&pdev->dev, "3d");
+        if (IS_ERR(gr3d->rst)) {
+                dev_err(&pdev->dev, "cannot get reset\n");
+                return PTR_ERR(gr3d->rst);
+        }
+
         if (of_device_is_compatible(np, "nvidia,tegra30-gr3d")) {
                 gr3d->clk_secondary = devm_clk_get(&pdev->dev, "3d2");
                 if (IS_ERR(gr3d->clk)) {
                         dev_err(&pdev->dev, "cannot get secondary clock\n");
                         return PTR_ERR(gr3d->clk);
                 }
+
+                gr3d->rst_secondary = devm_reset_control_get(&pdev->dev,
+                                                                "3d2");
+                if (IS_ERR(gr3d->rst_secondary)) {
+                        dev_err(&pdev->dev, "cannot get secondary reset\n");
+                        return PTR_ERR(gr3d->rst_secondary);
+                }
         }
 
-        err = tegra_powergate_sequence_power_up(TEGRA_POWERGATE_3D, gr3d->clk);
+        err = tegra_powergate_sequence_power_up(TEGRA_POWERGATE_3D, gr3d->clk,
+                                                gr3d->rst);
         if (err < 0) {
                 dev_err(&pdev->dev, "failed to power up 3D unit\n");
                 return err;
@@ -271,7 +288,8 @@ static int gr3d_probe(struct platform_device *pdev)
 
         if (gr3d->clk_secondary) {
                 err = tegra_powergate_sequence_power_up(TEGRA_POWERGATE_3D1,
-                                                        gr3d->clk_secondary);
+                                                        gr3d->clk_secondary,
+                                                        gr3d->rst_secondary);
                 if (err < 0) {
                         dev_err(&pdev->dev,
                                 "failed to power up secondary 3D unit\n");