pm3fb: 3 small fixes
This patch contains 3 small improvements:
- it corrects scan line width calculation in pm3fb_imageblit()
- it corrects mmio mapping for big endian machines
- it enables panning acceleration constants
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/pm3fb.c b/drivers/video/pm3fb.c
index 280d108..fb91b64 100644
--- a/drivers/video/pm3fb.c
+++ b/drivers/video/pm3fb.c
@@ -558,7 +558,8 @@
while (height--) {
- int width = ((image->width + 7) >> 3) + info->pixmap.scan_align;
+ int width = ((image->width + 7) >> 3)
+ + info->pixmap.scan_align - 1;
width >>= 2;
while (width >= PM3_FIFO_SIZE) {
@@ -1194,6 +1195,10 @@
*/
pm3fb_fix.mmio_start = pci_resource_start(dev, 0);
pm3fb_fix.mmio_len = PM3_REGS_SIZE;
+#if defined(__BIG_ENDIAN)
+ pm3fb_fix.mmio_start += PM3_REGS_SIZE;
+ DPRINTK("Adjusting register base for big-endian.\n");
+#endif
/* Registers - request region and map it. */
if (!request_mem_region(pm3fb_fix.mmio_start, pm3fb_fix.mmio_len,
@@ -1210,10 +1215,6 @@
goto err_exit_neither;
}
-#if defined(__BIG_ENDIAN)
- pm3fb_fix.mmio_start += PM3_REGS_SIZE;
- DPRINTK("Adjusting register base for big-endian.\n");
-#endif
/* Linear frame buffer - request region and map it. */
pm3fb_fix.smem_start = pci_resource_start(dev, 1);
pm3fb_fix.smem_len = pm3fb_size_memory(par);
@@ -1243,7 +1244,8 @@
info->fix = pm3fb_fix;
info->pseudo_palette = par->palette;
info->flags = FBINFO_DEFAULT |
-/* FBINFO_HWACCEL_YPAN |*/
+ FBINFO_HWACCEL_XPAN |
+ FBINFO_HWACCEL_YPAN |
FBINFO_HWACCEL_COPYAREA |
FBINFO_HWACCEL_IMAGEBLIT |
FBINFO_HWACCEL_FILLRECT;
