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 at samsung.com> --- drivers/gpu/drm/exynos/exynos_drm_fb.c | 36 +++++++++++++++++-------------- drivers/gpu/drm/exynos/exynos_drm_fb.h | 5 ++++- drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 3 +-- 3 files changed, 25 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index 5cee148..8e5d3eb 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 @@ unsigned int exynos_drm_fb_get_buf_cnt(struct drm_framebuffer *fb) 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 * diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.h b/drivers/gpu/drm/exynos/exynos_drm_fb.h index 897d2cf..8900f6b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.h +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.h @@ -14,10 +14,13 @@ #ifndef _EXYNOS_DRM_FB_H_ #define _EXYNOS_DRM_FB_H +#include "exynos_drm_gem.h" + 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); /* get gem object of a drm framebuffer */ struct exynos_drm_gem_obj *exynos_drm_fb_gem_obj(struct drm_framebuffer *fb, diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 133cf5f..a221f75 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -21,7 +21,6 @@ #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" #define MAX_CONNECTOR 4 @@ -160,7 +159,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, exynos_fbdev->obj = obj; - helper->fb = exynos_drm_framebuffer_init(dev, &mode_cmd, &obj->base); + helper->fb = exynos_drm_framebuffer_init(dev, &mode_cmd, &obj, 1); if (IS_ERR(helper->fb)) { DRM_ERROR("failed to create drm framebuffer.\n"); ret = PTR_ERR(helper->fb); -- 1.9.1