From e7ac9211f29f2fc2e7d11586a33267d2a26d3f2f Mon Sep 17 00:00:00 2001 From: Jakob Bornecrantz Date: Mon, 28 Nov 2011 13:19:12 +0100 Subject: [PATCH] vmwgfx: Refactor kms code to use vmw_user_lookup_handle helper Signed-off-by: Jakob Bornecrantz Signed-off-by: Thomas Hellstrom Signed-off-by: Dave Airlie --- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 98 ++++++++++++++----------------------- 1 file changed, 37 insertions(+), 61 deletions(-) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index bee6716..ac24cfd 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -147,24 +147,21 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, return -EINVAL; if (handle) { - ret = vmw_user_surface_lookup_handle(dev_priv, tfile, - handle, &surface); - if (!ret) { - if (!surface->snooper.image) { - DRM_ERROR("surface not suitable for cursor\n"); - vmw_surface_unreference(&surface); - return -EINVAL; - } - } else { - ret = vmw_user_dmabuf_lookup(tfile, - handle, &dmabuf); - if (ret) { - DRM_ERROR("failed to find surface or dmabuf: %i\n", ret); - return -EINVAL; - } + ret = vmw_user_lookup_handle(dev_priv, tfile, + handle, &surface, &dmabuf); + if (ret) { + DRM_ERROR("failed to find surface or dmabuf: %i\n", ret); + return -EINVAL; } } + /* need to do this before taking down old image */ + if (surface && !surface->snooper.image) { + DRM_ERROR("surface not suitable for cursor\n"); + vmw_surface_unreference(&surface); + return -EINVAL; + } + /* takedown old cursor */ if (du->cursor_surface) { du->cursor_surface->snooper.crtc = NULL; @@ -568,6 +565,10 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, * Sanity checks. */ + /* Surface must be marked as a scanout. */ + if (unlikely(!surface->scanout)) + return -EINVAL; + if (unlikely(surface->mip_levels[0] != 1 || surface->num_sizes != 1 || surface->sizes[0].width < mode_cmd->width || @@ -1045,46 +1046,29 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, return ERR_PTR(-ENOENT); } - /** - * End conditioned code. - */ - - ret = vmw_user_surface_lookup_handle(dev_priv, tfile, - mode_cmd->handle, &surface); + /* returns either a dmabuf or surface */ + ret = vmw_user_lookup_handle(dev_priv, tfile, + mode_cmd->handle, + &surface, &bo); if (ret) - goto try_dmabuf; - - if (!surface->scanout) - goto err_not_scanout; - - ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, surface, - &vfb, mode_cmd); - - /* vmw_user_surface_lookup takes one ref so does new_fb */ - vmw_surface_unreference(&surface); - - if (ret) { - DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret); - ttm_base_object_unref(&user_obj); - return ERR_PTR(ret); - } else - vfb->user_obj = user_obj; - return &vfb->base; - -try_dmabuf: - DRM_INFO("%s: trying buffer\n", __func__); - - ret = vmw_user_dmabuf_lookup(tfile, mode_cmd->handle, &bo); - if (ret) { - DRM_ERROR("failed to find buffer: %i\n", ret); - return ERR_PTR(-ENOENT); - } - - ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb, - mode_cmd); + goto err_out; + + /* Create the new framebuffer depending one what we got back */ + if (bo) + ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb, + mode_cmd); + else if (surface) + ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, + surface, &vfb, mode_cmd); + else + BUG(); - /* vmw_user_dmabuf_lookup takes one ref so does new_fb */ - vmw_dmabuf_unreference(&bo); +err_out: + /* vmw_user_lookup_handle takes one ref so does new_fb */ + if (bo) + vmw_dmabuf_unreference(&bo); + if (surface) + vmw_surface_unreference(&surface); if (ret) { DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret); @@ -1094,14 +1078,6 @@ try_dmabuf: vfb->user_obj = user_obj; return &vfb->base; - -err_not_scanout: - DRM_ERROR("surface not marked as scanout\n"); - /* vmw_user_surface_lookup takes one ref */ - vmw_surface_unreference(&surface); - ttm_base_object_unref(&user_obj); - - return ERR_PTR(-EINVAL); } static struct drm_mode_config_funcs vmw_kms_funcs = { -- 2.7.4