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author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-04-08 16:18:41 +0300 |
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committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-04-15 13:35:14 +0300 |
commit | 5ac96345899be859529e05af42f708ae7bd65782 (patch) | |
tree | 51de48868775faffd2cc1ec6be77db9bb5f2d16e | |
parent | 5e19c06d0e570a347669acc2b850c2f730090b60 (diff) | |
download | linux-stable-5ac96345899be859529e05af42f708ae7bd65782.tar.gz linux-stable-5ac96345899be859529e05af42f708ae7bd65782.tar.bz2 linux-stable-5ac96345899be859529e05af42f708ae7bd65782.zip |
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>
-rw-r--r-- | drivers/gpu/drm/omapdrm/omap_fb.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c index d2b8c49bfb4a..8b019602ffe6 100644 --- a/drivers/gpu/drm/omapdrm/omap_fb.c +++ b/drivers/gpu/drm/omapdrm/omap_fb.c @@ -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; |