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authorThomas Zimmermann <tzimmermann@suse.de>2020-07-30 15:52:04 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2020-08-03 09:04:37 +0200
commit2c0b6566d621227ca5716d799e1b3c37e525a31d (patch)
tree0deb0b924fe05504c83502e3f33c69e4782862cc /drivers/gpu/drm/ast
parente0f5a738cfe572bed3deb08fab0b5273b9535b74 (diff)
drm/ast: Managed release of ast firmware
The ast driver loads firmware for the DP501 display encoder. The patch replaces the removal code with a managed release function. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200730135206.30239-8-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/ast')
-rw-r--r--drivers/gpu/drm/ast/ast_dp501.c23
-rw-r--r--drivers/gpu/drm/ast/ast_drv.h1
-rw-r--r--drivers/gpu/drm/ast/ast_main.c3
3 files changed, 14 insertions, 13 deletions
diff --git a/drivers/gpu/drm/ast/ast_dp501.c b/drivers/gpu/drm/ast/ast_dp501.c
index 4b85a504825a..88121c0e0d05 100644
--- a/drivers/gpu/drm/ast/ast_dp501.c
+++ b/drivers/gpu/drm/ast/ast_dp501.c
@@ -8,11 +8,24 @@
MODULE_FIRMWARE("ast_dp501_fw.bin");
+static void ast_release_firmware(void *data)
+{
+ struct ast_private *ast = data;
+
+ release_firmware(ast->dp501_fw);
+ ast->dp501_fw = NULL;
+}
+
static int ast_load_dp501_microcode(struct drm_device *dev)
{
struct ast_private *ast = to_ast_private(dev);
+ int ret;
+
+ ret = request_firmware(&ast->dp501_fw, "ast_dp501_fw.bin", dev->dev);
+ if (ret)
+ return ret;
- return request_firmware(&ast->dp501_fw, "ast_dp501_fw.bin", dev->dev);
+ return devm_add_action_or_reset(dev->dev, ast_release_firmware, ast);
}
static void send_ack(struct ast_private *ast)
@@ -435,11 +448,3 @@ void ast_init_3rdtx(struct drm_device *dev)
}
}
}
-
-void ast_release_firmware(struct drm_device *dev)
-{
- struct ast_private *ast = to_ast_private(dev);
-
- release_firmware(ast->dp501_fw);
- ast->dp501_fw = NULL;
-}
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index acd9bbfec98e..af26483106bd 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -312,7 +312,6 @@ bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
u8 ast_get_dp501_max_clk(struct drm_device *dev);
void ast_init_3rdtx(struct drm_device *dev);
-void ast_release_firmware(struct drm_device *dev);
/* ast_cursor.c */
int ast_cursor_init(struct ast_private *ast);
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 792fb7f616ec..e3b7748335a3 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -442,11 +442,8 @@ struct ast_private *ast_device_create(struct drm_driver *drv,
void ast_device_destroy(struct ast_private *ast)
{
- struct drm_device *dev = &ast->base;
-
/* enable standard VGA decode */
ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa1, 0x04);
- ast_release_firmware(dev);
kfree(ast->dp501_fw_addr);
}