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author | David S. Miller <davem@davemloft.net> | 2011-12-02 13:49:21 -0500 |
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committer | David S. Miller <davem@davemloft.net> | 2011-12-02 13:49:21 -0500 |
commit | b3613118eb30a589d971e4eccbbb2a1314f5dfd4 (patch) | |
tree | 868c1ee59e1b5c19a4f2e43716400d0001a994e5 /drivers/gpu/drm/exynos/exynos_drm_fbdev.c | |
parent | 7505afe28c16a8d386624930a018d0052c75d687 (diff) | |
parent | 5983fe2b29df5885880d7fa3b91aca306c7564ef (diff) | |
download | op-kernel-dev-b3613118eb30a589d971e4eccbbb2a1314f5dfd4.zip op-kernel-dev-b3613118eb30a589d971e4eccbbb2a1314f5dfd4.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fbdev.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 44 |
1 files changed, 28 insertions, 16 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 1f4b3d1..836f410 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -33,6 +33,7 @@ #include "exynos_drm_drv.h" #include "exynos_drm_fb.h" +#include "exynos_drm_gem.h" #include "exynos_drm_buf.h" #define MAX_CONNECTOR 4 @@ -85,15 +86,13 @@ static struct fb_ops exynos_drm_fb_ops = { }; static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, - struct drm_framebuffer *fb, - unsigned int fb_width, - unsigned int fb_height) + struct drm_framebuffer *fb) { struct fb_info *fbi = helper->fbdev; struct drm_device *dev = helper->dev; struct exynos_drm_fbdev *exynos_fb = to_exynos_fbdev(helper); - struct exynos_drm_buf_entry *entry; - unsigned int size = fb_width * fb_height * (fb->bits_per_pixel >> 3); + struct exynos_drm_gem_buf *buffer; + unsigned int size = fb->width * fb->height * (fb->bits_per_pixel >> 3); unsigned long offset; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -101,20 +100,20 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, exynos_fb->fb = fb; drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth); - drm_fb_helper_fill_var(fbi, helper, fb_width, fb_height); + drm_fb_helper_fill_var(fbi, helper, fb->width, fb->height); - entry = exynos_drm_fb_get_buf(fb); - if (!entry) { - DRM_LOG_KMS("entry is null.\n"); + buffer = exynos_drm_fb_get_buf(fb); + if (!buffer) { + DRM_LOG_KMS("buffer is null.\n"); return -EFAULT; } offset = fbi->var.xoffset * (fb->bits_per_pixel >> 3); offset += fbi->var.yoffset * fb->pitch; - dev->mode_config.fb_base = entry->paddr; - fbi->screen_base = entry->vaddr + offset; - fbi->fix.smem_start = entry->paddr + offset; + dev->mode_config.fb_base = (resource_size_t)buffer->dma_addr; + fbi->screen_base = buffer->kvaddr + offset; + fbi->fix.smem_start = (unsigned long)(buffer->dma_addr + offset); fbi->screen_size = size; fbi->fix.smem_len = size; @@ -171,8 +170,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, goto out; } - ret = exynos_drm_fbdev_update(helper, helper->fb, sizes->fb_width, - sizes->fb_height); + ret = exynos_drm_fbdev_update(helper, helper->fb); if (ret < 0) fb_dealloc_cmap(&fbi->cmap); @@ -235,8 +233,7 @@ static int exynos_drm_fbdev_recreate(struct drm_fb_helper *helper, } helper->fb = exynos_fbdev->fb; - return exynos_drm_fbdev_update(helper, helper->fb, sizes->fb_width, - sizes->fb_height); + return exynos_drm_fbdev_update(helper, helper->fb); } static int exynos_drm_fbdev_probe(struct drm_fb_helper *helper, @@ -405,6 +402,18 @@ int exynos_drm_fbdev_reinit(struct drm_device *dev) fb_helper = private->fb_helper; if (fb_helper) { + struct list_head temp_list; + + INIT_LIST_HEAD(&temp_list); + + /* + * fb_helper is reintialized but kernel fb is reused + * so kernel_fb_list need to be backuped and restored + */ + if (!list_empty(&fb_helper->kernel_fb_list)) + list_replace_init(&fb_helper->kernel_fb_list, + &temp_list); + drm_fb_helper_fini(fb_helper); ret = drm_fb_helper_init(dev, fb_helper, @@ -414,6 +423,9 @@ int exynos_drm_fbdev_reinit(struct drm_device *dev) return ret; } + if (!list_empty(&temp_list)) + list_replace(&temp_list, &fb_helper->kernel_fb_list); + ret = drm_fb_helper_single_add_all_connectors(fb_helper); if (ret < 0) { DRM_ERROR("failed to add fb helper to connectors\n"); |