Merge tag 'v4.15-rc1' into next-seccomp

Linux 4.15-rc1

1 files changed, 17 insertions, 9 deletions

diff --git a/drivers/gpu/drm/ast/ast_dp501.c b/drivers/gpu/drm/ast/ast_dp501.c
index 76f07f38b941..4c7375b45281 100644
--- a/drivers/gpu/drm/ast/ast_dp501.c
+++ b/drivers/gpu/drm/ast/ast_dp501.c
@@ -1,19 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
 
 #include <linux/firmware.h>
 #include <drm/drmP.h>
 #include "ast_drv.h"
 MODULE_FIRMWARE("ast_dp501_fw.bin");
 
-int ast_load_dp501_microcode(struct drm_device *dev)
+static int ast_load_dp501_microcode(struct drm_device *dev)
 {
 	struct ast_private *ast = dev->dev_private;
-	static char *fw_name = "ast_dp501_fw.bin";
-	int err;
-	err = request_firmware(&ast->dp501_fw, fw_name, dev->dev);
-	if (err)
-		return err;
 
-	return 0;
+	return request_firmware(&ast->dp501_fw, "ast_dp501_fw.bin", dev->dev);
 }
 
 static void send_ack(struct ast_private *ast)
@@ -187,7 +183,7 @@ bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size)
 	return false;
 }
 
-bool ast_launch_m68k(struct drm_device *dev)
+static bool ast_launch_m68k(struct drm_device *dev)
 {
 	struct ast_private *ast = dev->dev_private;
 	u32 i, data, len = 0;
@@ -201,7 +197,11 @@ bool ast_launch_m68k(struct drm_device *dev)
 		if (ast->dp501_fw_addr) {
 			fw_addr = ast->dp501_fw_addr;
 			len = 32*1024;
-		} else if (ast->dp501_fw) {
+		} else {
+			if (!ast->dp501_fw &&
+			    ast_load_dp501_microcode(dev) < 0)
+				return false;
+
 			fw_addr = (u8 *)ast->dp501_fw->data;
 			len = ast->dp501_fw->size;
 		}
@@ -432,3 +432,11 @@ void ast_init_3rdtx(struct drm_device *dev)
 		}
 	}
 }
+
+void ast_release_firmware(struct drm_device *dev)
+{
+	struct ast_private *ast = dev->dev_private;
+
+	release_firmware(ast->dp501_fw);
+	ast->dp501_fw = NULL;
+}