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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 08:42:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-25 08:42:37 -0700 |
| commit | 0f1493a60167cf6333626456d3fc8aff4e6fa237 (patch) | |
| tree | 3b46a263bbab4fd396f01f35f0ceca7f3b063163 /drivers/video/amifb.c | |
| parent | 023bc8e75f8cf9e4da8411154be22a4f809d3314 (diff) | |
| parent | 087faf77a57b06f9a8ce37781c68e3f02468322b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6: (126 commits)
sh_mobile_meram: Safely disable MERAM operation when not initialized
video: mb862xxfb: add support for L1 displaying
video: mb862xx: add support for controller's I2C bus adapter
video: mb862xxfb: relocate register space to get contiguous vram
video: mb862xxfb: use pre-initialized configuration for PCI GDCs
video: mb862xxfb: correct fix.smem_len field initialization
video: s3c-fb: correct transparency checking in 32bpp
video: s3c-fb: add gpio setup function to resume function
fbdev/amifb: Remove superfluous alignment of frame buffer memory
fbdev/amifb: Do not call panic() if there's not enough Chip RAM
fbdev/amifb: Correct check for video memory size
video: mb862xxfb: Require either FB_MB862XX_PCI_GDC or FB_MB862XX_LIME
video: s3c-fb: add window variant information for S5P
video: s3c-fb: add additional validate bpps
video: s3c-fb: correct window osd size offset values
udlfb: include prefetch.h explicitly
drivers/video/s3c2410fb.c: Convert release_resource to release_mem_region
drivers/video/sm501fb.c: Convert release_resource to release_mem_region
drivers/video: Convert release_resource to release_mem_region
video, udlfb: Fix two build warnings about 'ignoring return value'
...
Diffstat (limited to 'drivers/video/amifb.c')
| -rw-r--r-- | drivers/video/amifb.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c index e5d6b56d4447..5ea6596dd824 100644 --- a/drivers/video/amifb.c +++ b/drivers/video/amifb.c @@ -2224,22 +2224,23 @@ static int amifb_ioctl(struct fb_info *info, * 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); } @@ -2295,7 +2296,7 @@ default_chipset: 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; @@ -2312,7 +2313,7 @@ default_chipset: 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; @@ -2385,6 +2386,10 @@ default_chipset: 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); |