openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/ast: Use drm_gem_vram_{vmap,vunmap}() to map cursor source BO 

The VRAM helper's vmap interfaces provide pinning and mapping of BO
memory. This patch replaces the respective code in ast cursor handling.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190911120352.20084-3-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2019-09-11 14:03:51 +02:00
parent c8908bde0d
commit 820d6606e9
1 changed files with 7 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/gpu/drm/ast/ast_mode.c
View File

@ -1167,26 +1167,22 @@ static int ast_cursor_set(struct drm_crtc *crtc,
return -ENOENT;
}
gbo = drm_gem_vram_of_gem(obj);
ret = drm_gem_vram_pin(gbo, 0);
if (ret)
goto err_drm_gem_object_put_unlocked;
src = drm_gem_vram_kmap(gbo, true, NULL);
src = drm_gem_vram_vmap(gbo);
if (IS_ERR(src)) {
ret = PTR_ERR(src);
goto err_drm_gem_vram_unpin;
goto err_drm_gem_object_put_unlocked;
}
dst = drm_gem_vram_kmap(drm_gem_vram_of_gem(ast->cursor_cache),
false, NULL);
if (IS_ERR(dst)) {
ret = PTR_ERR(dst);
goto err_drm_gem_vram_kunmap;
goto err_drm_gem_vram_vunmap;
}
dst_gpu = drm_gem_vram_offset(drm_gem_vram_of_gem(ast->cursor_cache));
if (dst_gpu < 0) {
ret = (int)dst_gpu;
goto err_drm_gem_vram_kunmap;
goto err_drm_gem_vram_vunmap;
}
dst += (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE)*ast->next_cursor;
@ -1221,16 +1217,13 @@ static int ast_cursor_set(struct drm_crtc *crtc,
ast_show_cursor(crtc);
drm_gem_vram_kunmap(gbo);
drm_gem_vram_unpin(gbo);
drm_gem_vram_vunmap(gbo, src);
drm_gem_object_put_unlocked(obj);
return 0;
err_drm_gem_vram_kunmap:
drm_gem_vram_kunmap(gbo);
err_drm_gem_vram_unpin:
drm_gem_vram_unpin(gbo);
err_drm_gem_vram_vunmap:
drm_gem_vram_vunmap(gbo, src);
err_drm_gem_object_put_unlocked:
drm_gem_object_put_unlocked(obj);
return ret;