AUO-K190x: Use correct line length

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / video / auo_k1901fb.c

diff --git a/drivers/video/auo_k1901fb.c b/drivers/video/auo_k1901fb.c
index d1db165..9efbe27 100644 (file)
--- a/drivers/video/auo_k1901fb.c
+++ b/drivers/video/auo_k1901fb.c
@@ -121,6 +121,7 @@ static void auok1901_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[5];
 
        pm_runtime_get_sync(dev);
@@ -139,9 +140,9 @@ static void auok1901_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_nowait(par, AUOK1901_CMD_DMA_START, 4,
-                                           args, ((y2 - y1) * xres)/2,
+                                           args, ((y2 - y1) * line_length)/2,
                                            (u16 *) buf);
        auok190x_send_command_nowait(par, AUOK190X_CMD_DATA_STOP);