diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtvfb.c')
| -rw-r--r-- | drivers/media/video/ivtv/ivtvfb.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c index 17247451c693..6b7c9c823330 100644 --- a/drivers/media/video/ivtv/ivtvfb.c +++ b/drivers/media/video/ivtv/ivtvfb.c @@ -247,7 +247,7 @@ static int ivtvfb_set_osd_coords(struct ivtv *itv, const struct ivtv_osd_coords static int ivtvfb_set_display_window(struct ivtv *itv, struct v4l2_rect *ivtv_window) { - int osd_height_limit = itv->is_50hz ? 576 : 480; + int osd_height_limit = itv->is_out_50hz ? 576 : 480; /* Only fail if resolution too high, otherwise fudge the start coords. */ if ((ivtv_window->height > osd_height_limit) || (ivtv_window->width > IVTV_OSD_MAX_WIDTH)) @@ -471,9 +471,9 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar vblank.flags = FB_VBLANK_HAVE_COUNT |FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC; trace = read_reg(IVTV_REG_DEC_LINE_FIELD) >> 16; - if (itv->is_50hz && trace > 312) + if (itv->is_out_50hz && trace > 312) trace -= 312; - else if (itv->is_60hz && trace > 262) + else if (itv->is_out_60hz && trace > 262) trace -= 262; if (trace == 1) vblank.flags |= FB_VBLANK_VSYNCING; @@ -656,7 +656,7 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) IVTVFB_DEBUG_INFO("ivtvfb_check_var\n"); /* Set base references for mode calcs. */ - if (itv->is_50hz) { + if (itv->is_out_50hz) { pixclock = 84316; hlimit = 776; vlimit = 591; @@ -784,12 +784,12 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) If the margins are too large, just center the screen (enforcing margins causes too many problems) */ - if (var->left_margin + var->xres > IVTV_OSD_MAX_WIDTH + 1) { + if (var->left_margin + var->xres > IVTV_OSD_MAX_WIDTH + 1) var->left_margin = 1 + ((IVTV_OSD_MAX_WIDTH - var->xres) / 2); - } - if (var->upper_margin + var->yres > (itv->is_50hz ? 577 : 481)) { - var->upper_margin = 1 + (((itv->is_50hz ? 576 : 480) - var->yres) / 2); - } + + if (var->upper_margin + var->yres > (itv->is_out_50hz ? 577 : 481)) + var->upper_margin = 1 + (((itv->is_out_50hz ? 576 : 480) - + var->yres) / 2); /* Maintain overall 'size' for a constant refresh rate */ var->right_margin = hlimit - var->left_margin - var->xres; @@ -836,7 +836,12 @@ static int ivtvfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *inf u32 osd_pan_index; struct ivtv *itv = (struct ivtv *) info->par; - osd_pan_index = (var->xoffset + (var->yoffset * var->xres_virtual))*var->bits_per_pixel/8; + if (var->yoffset + info->var.yres > info->var.yres_virtual || + var->xoffset + info->var.xres > info->var.xres_virtual) + return -EINVAL; + + osd_pan_index = var->yoffset * info->fix.line_length + + var->xoffset * info->var.bits_per_pixel / 8; write_reg(osd_pan_index, 0x02A0C); /* Pass this info back the yuv handler */ @@ -1003,19 +1008,21 @@ static int ivtvfb_init_vidmode(struct ivtv *itv) /* Hardware coords start at 0, user coords start at 1. */ osd_left--; - start_window.left = osd_left >= 0 ? osd_left : ((IVTV_OSD_MAX_WIDTH - start_window.width) / 2); + start_window.left = osd_left >= 0 ? + osd_left : ((IVTV_OSD_MAX_WIDTH - start_window.width) / 2); oi->display_byte_stride = start_window.width * oi->bytes_per_pixel; /* Vertical size & position */ - max_height = itv->is_50hz ? 576 : 480; + max_height = itv->is_out_50hz ? 576 : 480; if (osd_yres > max_height) osd_yres = max_height; - start_window.height = osd_yres ? osd_yres : itv->is_50hz ? 480 : 400; + start_window.height = osd_yres ? + osd_yres : itv->is_out_50hz ? 480 : 400; /* Check vertical start (osd_upper). */ if (osd_upper + start_window.height > max_height + 1) { |