diff options
Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_fb.c')
-rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_fb.c | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c index 5b7e64cac004..97c575a9a86f 100644 --- a/drivers/gpu/drm/mgag200/mgag200_fb.c +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c @@ -23,25 +23,25 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev, { int i; struct drm_gem_object *obj; - struct mgag200_bo *bo; + struct drm_gem_vram_object *gbo; int src_offset, dst_offset; int bpp = mfbdev->mfb.base.format->cpp[0]; int ret = -EBUSY; + u8 *dst; bool unmap = false; bool store_for_later = false; int x2, y2; unsigned long flags; obj = mfbdev->mfb.obj; - bo = gem_to_mga_bo(obj); + gbo = drm_gem_vram_of_gem(obj); - /* - * try and reserve the BO, if we fail with busy - * then the BO is being moved and we should - * store up the damage until later. + /* Try to lock the BO. If we fail with -EBUSY then + * the BO is being moved and we should store up the + * damage until later. */ if (drm_can_sleep()) - ret = mgag200_bo_reserve(bo, true); + ret = drm_gem_vram_lock(gbo, true); if (ret) { if (ret != -EBUSY) return; @@ -75,25 +75,32 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev, mfbdev->x2 = mfbdev->y2 = 0; spin_unlock_irqrestore(&mfbdev->dirty_lock, flags); - if (!bo->kmap.virtual) { - ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); - if (ret) { + dst = drm_gem_vram_kmap(gbo, false, NULL); + if (IS_ERR(dst)) { + DRM_ERROR("failed to kmap fb updates\n"); + goto out; + } else if (!dst) { + dst = drm_gem_vram_kmap(gbo, true, NULL); + if (IS_ERR(dst)) { DRM_ERROR("failed to kmap fb updates\n"); - mgag200_bo_unreserve(bo); - return; + goto out; } unmap = true; } + for (i = y; i <= y2; i++) { /* assume equal stride for now */ - src_offset = dst_offset = i * mfbdev->mfb.base.pitches[0] + (x * bpp); - memcpy_toio(bo->kmap.virtual + src_offset, mfbdev->sysram + src_offset, (x2 - x + 1) * bpp); - + src_offset = dst_offset = + i * mfbdev->mfb.base.pitches[0] + (x * bpp); + memcpy_toio(dst + dst_offset, mfbdev->sysram + src_offset, + (x2 - x + 1) * bpp); } + if (unmap) - ttm_bo_kunmap(&bo->kmap); + drm_gem_vram_kunmap(gbo); - mgag200_bo_unreserve(bo); +out: + drm_gem_vram_unlock(gbo); } static void mga_fillrect(struct fb_info *info, |