kernel-disable-gpu-auth-dtb-fix.patch

diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
index 3bd66cc..b29886f 100644
--- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
@@ -131,14 +131,6 @@
 			hdmi-mux-supply = <&ext_3p3v>;
 		};
 
-		mdp: qcom,mdp@5100000 {
-			status = "okay";
-			qcom,lvds-panel = <&panel>;
-			lvds-vccs-3p3v-supply = <&ext_3p3v>;
-			lvds-pll-vdda-supply = <&pm8921_l2>;
-			lvds-vdda-supply = <&pm8921_lvs7>;
-		};
-
 		bl_3p3v: bl_3p3v {
 			pinctrl-0 = <&pwm_bl_gpios>;
 			pinctrl-names = "default";
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index c46ca31..25cc408 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -25,6 +25,13 @@ config DRM_MIPI_DSI
 	bool
 	depends on DRM
 
+config NO_GPU_AUTHENTICATION
+       bool "Disable GPU authentication"
+       depends on DRM
+       default n
+       help
+         Choose this option if you want to disable GPU authentication.
+
 config DRM_KMS_HELPER
 	tristate
 	depends on DRM
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index b1d303f..6007eae 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -482,6 +482,7 @@ static int drm_version(struct drm_device *dev, void *data,
  */
 static int drm_ioctl_permit(u32 flags, struct drm_file *file_priv)
 {
+   #ifndef CONFIG_NO_GPU_AUTHENTICATION
 	/* ROOT_ONLY is only for CAP_SYS_ADMIN */
 	if (unlikely((flags & DRM_ROOT_ONLY) && !capable(CAP_SYS_ADMIN)))
 		return -EACCES;
@@ -505,7 +506,7 @@ static int drm_ioctl_permit(u32 flags, struct drm_file *file_priv)
 	if (unlikely(!(flags & DRM_RENDER_ALLOW) &&
 		     drm_is_render_client(file_priv)))
 		return -EACCES;
-
+   #endif
 	return 0;
 }