drm/exynos: update exynos_drm_framebuffer_init() for multiple buffers
This modifies exynos_drm_framebuffer_init() to be possible to support
multiple buffers. Then it can be used by exynos_user_fb_create().
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index 33911c1..8f94eac 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -23,7 +23,6 @@
#include "exynos_drm_drv.h"
#include "exynos_drm_fb.h"
#include "exynos_drm_fbdev.h"
-#include "exynos_drm_gem.h"
#include "exynos_drm_iommu.h"
#include "exynos_drm_crtc.h"
@@ -134,36 +133,41 @@
struct drm_framebuffer *
exynos_drm_framebuffer_init(struct drm_device *dev,
struct drm_mode_fb_cmd2 *mode_cmd,
- struct drm_gem_object *obj)
+ struct exynos_drm_gem_obj **gem_obj,
+ int count)
{
struct exynos_drm_fb *exynos_fb;
- struct exynos_drm_gem_obj *exynos_gem_obj;
+ int i;
int ret;
- exynos_gem_obj = to_exynos_gem_obj(obj);
-
- ret = check_fb_gem_memory_type(dev, exynos_gem_obj);
- if (ret < 0)
- return ERR_PTR(ret);
-
exynos_fb = kzalloc(sizeof(*exynos_fb), GFP_KERNEL);
if (!exynos_fb)
return ERR_PTR(-ENOMEM);
- drm_helper_mode_fill_fb_struct(&exynos_fb->fb, mode_cmd);
- exynos_fb->exynos_gem_obj[0] = exynos_gem_obj;
+ exynos_fb->buf_cnt = count;
+ DRM_DEBUG_KMS("buf_cnt = %d\n", exynos_fb->buf_cnt);
- /* buffer count to framebuffer always is 1 at booting time. */
- exynos_fb->buf_cnt = 1;
+ for (i = 0; i < count; i++) {
+ ret = check_fb_gem_memory_type(dev, gem_obj[i]);
+ if (ret < 0)
+ goto err;
+
+ exynos_fb->exynos_gem_obj[i] = gem_obj[i];
+ }
+
+ drm_helper_mode_fill_fb_struct(&exynos_fb->fb, mode_cmd);
ret = drm_framebuffer_init(dev, &exynos_fb->fb, &exynos_drm_fb_funcs);
- if (ret) {
- kfree(exynos_fb);
+ if (ret < 0) {
DRM_ERROR("failed to initialize framebuffer\n");
- return ERR_PTR(ret);
+ goto err;
}
return &exynos_fb->fb;
+
+err:
+ kfree(exynos_fb);
+ return ERR_PTR(ret);
}
static struct drm_framebuffer *