AUO-K190x: Use correct line length

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / video / auo_k1900fb.c

diff --git a/drivers/video/auo_k1900fb.c b/drivers/video/auo_k1900fb.c
index 1a9ac6e..d572d3e 100644 (file)
--- a/drivers/video/auo_k1900fb.c
+++ b/drivers/video/auo_k1900fb.c
@@ -82,6 +82,7 @@ static void auok1900_update_region(struct auok190xfb_par *par, int mode,
        struct device *dev = par->info->device;
        unsigned char *buf = (unsigned char *)par->info->screen_base;
        int xres = par->info->var.xres;
+       int line_length = par->info->fix.line_length;
        u16 args[4];
 
        pm_runtime_get_sync(dev);
@@ -100,9 +101,9 @@ static void auok1900_update_region(struct auok190xfb_par *par, int mode,
        args[1] = y1 + 1;
        args[2] = xres;
        args[3] = y2 - y1;
-       buf += y1 * xres;
+       buf += y1 * line_length;
        auok190x_send_cmdargs_pixels(par, AUOK1900_CMD_PARTIALDISP, 4, args,
-                                    ((y2 - y1) * xres)/2, (u16 *) buf);
+                                    ((y2 - y1) * line_length)/2, (u16 *) buf);
        auok190x_send_command(par, AUOK190X_CMD_DATA_STOP);
 
        par->update_cnt++;