The ast driver keeps a backup copy of the DP501 encoder's firmware. This
patch adds managed release of the allocated memory.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/gpu/drm/ast/ast_main.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index e3b7748335a3..67e20727d82d 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -33,6 +33,7 @@
#include <drm/drm_drv.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_vram_helper.h>
+#include <drm/drm_managed.h>
#include "ast_drv.h"
@@ -231,11 +232,11 @@ static int ast_detect_chip(struct drm_device *dev, bool *need_post)
ast->tx_chip_type = AST_TX_SIL164;
break;
case 0x08:
- ast->dp501_fw_addr = kzalloc(32*1024, GFP_KERNEL);
+ ast->dp501_fw_addr = drmm_kzalloc(dev, 32*1024, GFP_KERNEL);
if (ast->dp501_fw_addr) {
/* backup firmware */
if (ast_backup_fw(dev, ast->dp501_fw_addr, 32*1024)) {
- kfree(ast->dp501_fw_addr);
+ drmm_kfree(dev, ast->dp501_fw_addr);
ast->dp501_fw_addr = NULL;
}
}
@@ -444,6 +445,4 @@ void ast_device_destroy(struct ast_private *ast)
{
/* enable standard VGA decode */
ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x04);
-
- kfree(ast->dp501_fw_addr);
}
--
2.27.0
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