drm/omap: print warning when rotating non-TILER fb
Print a warning when the user tries to rotate a non-TILER framebuffer.
Also set the rotation to 0, to avoid constant flood of the warnings in
case of page flipping.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c
index d2b8c49..8b01960 100644
--- a/drivers/gpu/drm/omapdrm/omap_fb.c
+++ b/drivers/gpu/drm/omapdrm/omap_fb.c
@@ -218,6 +218,20 @@
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;