[PATCH v3 23/29] sm501fb: use display information in info not in var for panning
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: 2011-07-08 11:14:37
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
We must not use any information in the passed var besides xoffset, yoffset and vmode as otherwise applications might abuse it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Ben Dooks <redacted> --- drivers/video/sm501fb.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c
index 6294dca..a78254c 100644
--- a/drivers/video/sm501fb.c
+++ b/drivers/video/sm501fb.c@@ -582,7 +582,7 @@ static int sm501fb_pan_crt(struct fb_var_screeninfo *var, { struct sm501fb_par *par = info->par; struct sm501fb_info *fbi = par->info; - unsigned int bytes_pixel = var->bits_per_pixel / 8; + unsigned int bytes_pixel = info->var.bits_per_pixel / 8; unsigned long reg; unsigned long xoffs;
@@ -614,10 +614,10 @@ static int sm501fb_pan_pnl(struct fb_var_screeninfo *var, struct sm501fb_info *fbi = par->info; unsigned long reg; - reg = var->xoffset | (var->xres_virtual << 16); + reg = var->xoffset | (info->var.xres_virtual << 16); smc501_writel(reg, fbi->regs + SM501_DC_PANEL_FB_WIDTH); - reg = var->yoffset | (var->yres_virtual << 16); + reg = var->yoffset | (info->var.yres_virtual << 16); smc501_writel(reg, fbi->regs + SM501_DC_PANEL_FB_HEIGHT); sm501fb_sync_regs(fbi);
--
1.7.3.4