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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>
This commit is contained in:
Krzysztof Helt 2007-10-16 01:28:32 -07:00 committed by Linus Torvalds
parent b0a318e2d9
commit c79ba28cc0
1 changed files with 8 additions and 6 deletions
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14
drivers/video/pm3fb.c
View File

@ -558,7 +558,8 @@ static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image)
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 @@ static int __devinit pm3fb_probe(struct pci_dev *dev,
*/
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 @@ static int __devinit pm3fb_probe(struct pci_dev *dev,
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 @@ static int __devinit pm3fb_probe(struct pci_dev *dev,
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;