diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_fb.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_fb.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c index f2b8f0668c0..2a5cacdc344 100644 --- a/drivers/gpu/drm/omapdrm/omap_fb.c +++ b/drivers/gpu/drm/omapdrm/omap_fb.c @@ -123,12 +123,16 @@ static int omap_framebuffer_dirty(struct drm_framebuffer *fb, { int i; + drm_modeset_lock_all(fb->dev); + for (i = 0; i < num_clips; i++) { omap_framebuffer_flush(fb, clips[i].x1, clips[i].y1, clips[i].x2 - clips[i].x1, clips[i].y2 - clips[i].y1); } + drm_modeset_unlock_all(fb->dev); + return 0; } @@ -214,6 +218,20 @@ void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, info->rotation_type = OMAP_DSS_ROT_TILER; info->screen_width = omap_gem_tiled_stride(plane->bo, orient); } else { + switch (win->rotation & 0xf) { + case 0: + case BIT(DRM_ROTATE_0): + /* OK */ + break; + + default: + dev_warn(fb->dev->dev, + "rotation '%d' ignored for non-tiled fb\n", + win->rotation); + win->rotation = 0; + break; + } + info->paddr = get_linear_addr(plane, format, 0, x, y); info->rotation_type = OMAP_DSS_ROT_DMA; info->screen_width = plane->pitch; @@ -302,13 +320,14 @@ struct drm_connector *omap_framebuffer_get_next_connector( struct drm_connector *connector = from; if (!from) - return list_first_entry(connector_list, typeof(*from), head); + return list_first_entry_or_null(connector_list, typeof(*from), + head); list_for_each_entry_from(connector, connector_list, head) { if (connector != from) { struct drm_encoder *encoder = connector->encoder; struct drm_crtc *crtc = encoder ? encoder->crtc : NULL; - if (crtc && crtc->fb == fb) + if (crtc && crtc->primary->fb == fb) return connector; } @@ -327,6 +346,7 @@ void omap_framebuffer_flush(struct drm_framebuffer *fb, VERB("flush: %d,%d %dx%d, fb=%p", x, y, w, h, fb); + /* FIXME: This is racy - no protection against modeset config changes. */ while ((connector = omap_framebuffer_get_next_connector(fb, connector))) { /* only consider connectors that are part of a chain */ if (connector->encoder && connector->encoder->crtc) { |