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[v2,07/29] fbdev: da8xx: use display information in info not in var for panning

Message ID 1308043507-11083-8-git-send-email-laurent.pinchart@ideasonboard.com (mailing list archive)
State Accepted
Commit e6c4d3d43d4d00a0ed945c77e6b89c74b38120d7
Headers show

Commit Message

Laurent Pinchart June 14, 2011, 9:24 a.m. UTC 
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: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Cc: Martin Ambrose <martin@ti.com>
---
 drivers/video/da8xx-fb.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index fcdac87..8d4e4eb 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -877,8 +877,8 @@  static int da8xx_pan_display(struct fb_var_screeninfo *var,
 
 			start	= fix->smem_start +
 				new_var.yoffset * fix->line_length +
-				new_var.xoffset * var->bits_per_pixel / 8;
-			end	= start + var->yres * fix->line_length - 1;
+				new_var.xoffset * fbi->var.bits_per_pixel / 8;
+			end	= start + fbi->var.yres * fix->line_length - 1;
 			par->dma_start	= start;
 			par->dma_end	= end;
 		}