staging: sm750: Fix lynxfb_ops_imageblit() if image->depth != 1

If image->depth != 1, lynxfb_ops_imageblit() should fallback to call
cfb_imageblit(), not return directly. Otherwise it can't display the
boot logo.

Cc: Teddy Wang <teddy.wang@siliconmotion.com>
Acked-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/sm750fb/TODO b/drivers/staging/sm750fb/TODO
index ce23f3c..a3a877d 100644 (file)
--- a/drivers/staging/sm750fb/TODO
+++ b/drivers/staging/sm750fb/TODO
@@ -2,6 +2,7 @@ TODO:
 - lots of checkpatch cleanup
 - use kernel coding style
 - refine the code and remove unused code
+- Implement hardware acceleration for imageblit if image->depth > 1
 - check on hardware effects of removal of USE_HW_I2C and USE_DVICHIP (these two
        are supposed to be sample code which is given here if someone wants to
        use those functionalities)

diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
index 97fe04a..69b18f3 100644 (file)
--- a/drivers/staging/sm750fb/sm750.c
+++ b/drivers/staging/sm750fb/sm750.c
@@ -274,7 +274,10 @@ static void lynxfb_ops_imageblit(struct fb_info *info,
                }
                goto _do_work;
        }
+       /* TODO: Implement hardware acceleration for image->depth > 1 */
+       cfb_imageblit(info, image);
        return;
+
 _do_work:
        /*
         * If not use spin_lock, system will die if user load driver