diff options
Diffstat (limited to 'vidix/sh_veu_vid.c')
| -rw-r--r-- | vidix/sh_veu_vid.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/vidix/sh_veu_vid.c b/vidix/sh_veu_vid.c index 7ce49b4a94..03868ac364 100644 --- a/vidix/sh_veu_vid.c +++ b/vidix/sh_veu_vid.c @@ -1,6 +1,6 @@ /* * VIDIX driver for SuperH Mobile VEU hardware block. - * Copyright (C) 2008 Magnus Damm + * Copyright (C) 2008, 2009 Magnus Damm * * Requires a kernel that exposes the VEU hardware block to user space * using UIO. Available in upstream linux-2.6.27 or later. @@ -179,8 +179,7 @@ static int get_fb_info(char *device, struct fb_info *fip) memset(iomem, 0, fip->line_length * fip->height); munmap(iomem, fip->size); - close(fd); - return 0; + return fd; } #define VESTR 0x00 /* start register */ @@ -268,6 +267,7 @@ struct sh_veu_plane { static struct sh_veu_plane _src, _dst; static vidix_playback_t my_info; +static int fb_fd; static int sh_veu_probe(int verbose, int force) { @@ -276,6 +276,7 @@ static int sh_veu_probe(int verbose, int force) ret = get_fb_info("/dev/fb0", &fbi); if (ret < 0) return ret; + fb_fd = ret; if (fbi.bpp != 16) { printf("sh_veu: only 16bpp supported\n"); @@ -315,6 +316,9 @@ static void sh_veu_wait_irq(vidix_playback_t *info) read(uio_dev.fd, &n_pending, sizeof(unsigned long)); write_reg(&uio_mmio, 0x100, VEVTR); /* ack int, write 0 to bit 0 */ + + /* flush framebuffer to handle deferred io case */ + fsync(fb_fd); } static int sh_veu_is_veu2h(void) @@ -486,6 +490,7 @@ static int sh_veu_init(void) static void sh_veu_destroy(void) { + close(fb_fd); } static int sh_veu_get_caps(vidix_capability_t *to) |