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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>
This commit is contained in:
Tomi Valkeinen 2014-04-08 16:18:41 +03:00
parent 5e19c06d0e
commit 5ac9634589
1 changed files with 14 additions and 0 deletions
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14
drivers/gpu/drm/omapdrm/omap_fb.c
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@ -218,6 +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;