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From: Mans Rullgard <mans@mansr.com>
Date: Mon, 7 Jul 2008 00:13:00 +0000 (+0100)
Subject: omapfb: fix display panning
X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=9fec252c96b0e69bcef0afd9cb9dd72b7179c239
omapfb: fix display panning
---
diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
index 4e1a8e3..c17371c 100644
--- a/drivers/video/omap/dispc.c
+++ b/drivers/video/omap/dispc.c
@@ -435,6 +435,8 @@ static inline int _setup_plane(int plane, int channel_out,
dispc_write_reg(ri_reg[plane], (screen_width - width) * bpp / 8 + 1);
+ MOD_REG_FLD(DISPC_CONTROL, 1<<5, 1<<5);
+
return height * screen_width * bpp / 8;
}
diff --git a/drivers/video/omap/omapfb_main.c b/drivers/video/omap/omapfb_main.c
index 1166a01..3e4959e 100644
--- a/drivers/video/omap/omapfb_main.c
+++ b/drivers/video/omap/omapfb_main.c
@@ -206,8 +206,8 @@ static int ctrl_change_mode(struct fb_info *fbi)
struct omapfb_device *fbdev = plane->fbdev;
struct fb_var_screeninfo *var = &fbi->var;
- offset = var->yoffset * fbi->fix.line_length +
- var->xoffset * var->bits_per_pixel / 8;
+ offset = (var->yoffset * var->xres_virtual + var->xoffset) *
+ var->bits_per_pixel / 8;
if (fbdev->ctrl->sync)
fbdev->ctrl->sync();
@@ -423,6 +423,8 @@ static void set_fb_fix(struct fb_info *fbi)
}
fix->accel = FB_ACCEL_OMAP1610;
fix->line_length = var->xres_virtual * bpp / 8;
+ fix->xpanstep = 1;
+ fix->ypanstep = 1;
}
static int set_color_mode(struct omapfb_plane_struct *plane,
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