1 files changed, 48 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3449-dynamically-adding-GPIO-may-cause-amdgpu-driver-crac.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3449-dynamically-adding-GPIO-may-cause-amdgpu-driver-crac.patch
new file mode 100644
index 00000000..a239b7b6
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3449-dynamically-adding-GPIO-may-cause-amdgpu-driver-crac.patch
@@ -0,0 +1,48 @@
+From f41341160cb4faa33fd3a63c5bb8ed9dcbe2ab56 Mon Sep 17 00:00:00 2001
+From: chaudhary amit <chaudhary@yocto-build.amd.com>
+Date: Mon, 21 May 2018 14:59:33 +0530
+Subject: [PATCH 3449/4131] dynamically adding GPIO may cause amdgpu driver
+ crach fix
+
+---
+ drivers/gpu/drm/amd/display/dc/gpio/gpio_base.c    | 2 +-
+ drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | 4 ++--
+ 2 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_base.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_base.c
+index 1d1efd7..85205e5 100644
+--- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_base.c
++++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_base.c
+@@ -61,7 +61,7 @@ enum gpio_result dal_gpio_open_ex(
+ 	enum gpio_mode mode)
+ {
+ 	if (gpio->pin) {
+-		ASSERT_CRITICAL(false);
++		printk(KERN_ERR "Already opened GPIO");
+ 		return GPIO_RESULT_ALREADY_OPENED;
+ 	}
+ 
+diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
+index 80038e0..faa7979 100644
+--- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
++++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
+@@ -483,14 +483,14 @@ enum gpio_result dal_ddc_open(
+ 
+ 	result = dal_gpio_open_ex(ddc->pin_data, mode);
+ 
+-	if (result != GPIO_RESULT_OK) {
++	if (result != GPIO_RESULT_OK && result != GPIO_RESULT_ALREADY_OPENED) {
+ 		BREAK_TO_DEBUGGER();
+ 		return result;
+ 	}
+ 
+ 	result = dal_gpio_open_ex(ddc->pin_clock, mode);
+ 
+-	if (result != GPIO_RESULT_OK) {
++	if (result != GPIO_RESULT_OK && result != GPIO_RESULT_ALREADY_OPENED) {
+ 		BREAK_TO_DEBUGGER();
+ 		goto failure;
+ 	}
+-- 
+2.7.4
+