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path: root/drivers/gpu/drm/tegra/fb.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/fb.c')
-rw-r--r--drivers/gpu/drm/tegra/fb.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c
index 001cb77..e694349 100644
--- a/drivers/gpu/drm/tegra/fb.c
+++ b/drivers/gpu/drm/tegra/fb.c
@@ -55,6 +55,11 @@ int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
uint64_t modifier = fb->base.modifier;
switch (modifier) {
+ case DRM_FORMAT_MOD_LINEAR:
+ tiling->mode = TEGRA_BO_TILING_MODE_PITCH;
+ tiling->value = 0;
+ break;
+
case DRM_FORMAT_MOD_NVIDIA_TEGRA_TILED:
tiling->mode = TEGRA_BO_TILING_MODE_TILED;
tiling->value = 0;
@@ -91,9 +96,7 @@ int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer,
break;
default:
- /* TODO: handle YUV formats? */
- *tiling = fb->planes[0]->tiling;
- break;
+ return -EINVAL;
}
return 0;
@@ -224,12 +227,28 @@ unreference:
}
#ifdef CONFIG_DRM_FBDEV_EMULATION
+static int tegra_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
+{
+ struct drm_fb_helper *helper = info->par;
+ struct tegra_bo *bo;
+ int err;
+
+ bo = tegra_fb_get_plane(helper->fb, 0);
+
+ err = drm_gem_mmap_obj(&bo->gem, bo->gem.size, vma);
+ if (err < 0)
+ return err;
+
+ return __tegra_gem_mmap(&bo->gem, vma);
+}
+
static struct fb_ops tegra_fb_ops = {
.owner = THIS_MODULE,
DRM_FB_HELPER_DEFAULT_OPS,
.fb_fillrect = drm_fb_helper_sys_fillrect,
.fb_copyarea = drm_fb_helper_sys_copyarea,
.fb_imageblit = drm_fb_helper_sys_imageblit,
+ .fb_mmap = tegra_fb_mmap,
};
static int tegra_fbdev_probe(struct drm_fb_helper *helper,
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