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drm/ast: Managed cursor release 

Register a release function to finalize cursors. The _fini() function
gets un-exported from the source file.

The function ast_mode_fini() is now empty and will be removed by a
later patch.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200702115029.5281-11-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2020-07-02 13:50:25 +02:00
parent 0d384eec10
commit 3e9d787371
3 changed files with 22 additions and 20 deletions
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38
drivers/gpu/drm/ast/ast_cursor.c
View File

@ -28,9 +28,30 @@
*/
#include <drm/drm_gem_vram_helper.h>
#include <drm/drm_managed.h>
#include "ast_drv.h"
static void ast_cursor_fini(struct ast_private *ast)
{
size_t i;
struct drm_gem_vram_object *gbo;
for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) {
gbo = ast->cursor.gbo[i];
drm_gem_vram_vunmap(gbo, ast->cursor.vaddr[i]);
drm_gem_vram_unpin(gbo);
drm_gem_vram_put(gbo);
}
}
static void ast_cursor_release(struct drm_device *dev, void *ptr)
{
struct ast_private *ast = dev->dev_private;
ast_cursor_fini(ast);
}
/*
* Allocate cursor BOs and pins them at the end of VRAM.
*/
@ -68,7 +89,7 @@ int ast_cursor_init(struct ast_private *ast)
ast->cursor.vaddr[i] = vaddr;
}
return 0;
return drmm_add_action_or_reset(dev, ast_cursor_release, NULL);
err_drm_gem_vram_put:
while (i) {
@ -77,25 +98,10 @@ int ast_cursor_init(struct ast_private *ast)
drm_gem_vram_vunmap(gbo, ast->cursor.vaddr[i]);
drm_gem_vram_unpin(gbo);
drm_gem_vram_put(gbo);
ast->cursor.gbo[i] = NULL;
ast->cursor.vaddr[i] = NULL;
}
return ret;
}
void ast_cursor_fini(struct ast_private *ast)
{
size_t i;
struct drm_gem_vram_object *gbo;
for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) {
gbo = ast->cursor.gbo[i];
drm_gem_vram_vunmap(gbo, ast->cursor.vaddr[i]);
drm_gem_vram_unpin(gbo);
drm_gem_vram_put(gbo);
}
}
static void update_cursor_image(u8 __iomem *dst, const u8 *src, int width, int height)
{
union {

1
drivers/gpu/drm/ast/ast_drv.h
View File

@ -317,7 +317,6 @@ void ast_release_firmware(struct drm_device *dev);
/* ast_cursor.c */
int ast_cursor_init(struct ast_private *ast);
void ast_cursor_fini(struct ast_private *ast);
int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb);
void ast_cursor_page_flip(struct ast_private *ast);
void ast_cursor_show(struct ast_private *ast, int x, int y,

3
drivers/gpu/drm/ast/ast_mode.c
View File

@ -1108,9 +1108,6 @@ int ast_mode_init(struct drm_device *dev)
void ast_mode_fini(struct drm_device *dev)
{
struct ast_private *ast = to_ast_private(dev);
ast_cursor_fini(ast);
}
static int get_clock(void *i2c_priv)