* Allocate, Clear and Align a Block of Chip Memory
*/
-static u_long unaligned_chipptr = 0;
+static void *aligned_chipptr;
static inline u_long __init chipalloc(u_long size)
{
- size += PAGE_SIZE-1;
- if (!(unaligned_chipptr = (u_long)amiga_chip_alloc(size,
- "amifb [RAM]")))
- panic("No Chip RAM for frame buffer");
- memset((void *)unaligned_chipptr, 0, size);
- return PAGE_ALIGN(unaligned_chipptr);
+ aligned_chipptr = amiga_chip_alloc(size, "amifb [RAM]");
+ if (!aligned_chipptr) {
+ pr_err("amifb: No Chip RAM for frame buffer");
+ return 0;
+ }
+ memset(aligned_chipptr, 0, size);
+ return (u_long)aligned_chipptr;
}
static inline void chipfree(void)
{
- if (unaligned_chipptr)
- amiga_chip_free((void *)unaligned_chipptr);
+ if (aligned_chipptr)
+ amiga_chip_free(aligned_chipptr);
}
defmode = amiga_vblank == 50 ? DEFMODE_PAL
: DEFMODE_NTSC;
if (amiga_chip_avail()-CHIPRAM_SAFETY_LIMIT >
- VIDEOMEMSIZE_ECS_1M)
+ VIDEOMEMSIZE_ECS_2M)
fb_info.fix.smem_len = VIDEOMEMSIZE_ECS_2M;
else
fb_info.fix.smem_len = VIDEOMEMSIZE_ECS_1M;
maxfmode = TAG_FMODE_4;
defmode = DEFMODE_AGA;
if (amiga_chip_avail()-CHIPRAM_SAFETY_LIMIT >
- VIDEOMEMSIZE_AGA_1M)
+ VIDEOMEMSIZE_AGA_2M)
fb_info.fix.smem_len = VIDEOMEMSIZE_AGA_2M;
else
fb_info.fix.smem_len = VIDEOMEMSIZE_AGA_1M;
DUMMYSPRITEMEMSIZE+
COPINITSIZE+
4*COPLISTSIZE);
+ if (!chipptr) {
+ err = -ENOMEM;
+ goto amifb_error;
+ }
assignchunk(videomemory, u_long, chipptr, fb_info.fix.smem_len);
assignchunk(spritememory, u_long, chipptr, SPRITEMEMSIZE);