OMAPDSS: convert pixel clock to common videomode style

omapdss has its own video-timings struct, but we want to move the common
videomode.

The first step is to change the omapdss's pixelclock unit from kHz to
Hz. Also, omapdss uses "pixel_clock" field name, whereas the common
videomode uses "pixelclock" field name. This patch changes the field
name also, as that makes it easy to spot any non-converted pixel_clock
uses.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index fcb9e93..8d02f16 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -723,8 +723,8 @@
 		display->driver->get_timings(display, &timings);
 
 		/* pixclock in ps, the rest in pixclock */
-		var->pixclock = timings.pixel_clock != 0 ?
-			KHZ2PICOS(timings.pixel_clock) :
+		var->pixclock = timings.pixelclock != 0 ?
+			KHZ2PICOS(timings.pixelclock / 1000) :
 			0;
 		var->left_margin = timings.hbp;
 		var->right_margin = timings.hfp;
@@ -2077,7 +2077,7 @@
 		timings->sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES;
 	}
 
-	timings->pixel_clock = PICOS2KHZ(var->pixclock);
+	timings->pixelclock = PICOS2KHZ(var->pixclock) * 1000;
 	timings->hbp = var->left_margin;
 	timings->hfp = var->right_margin;
 	timings->vbp = var->upper_margin;
@@ -2229,7 +2229,7 @@
 
 	t->x_res = m->xres;
 	t->y_res = m->yres;
-	t->pixel_clock = PICOS2KHZ(m->pixclock);
+	t->pixelclock = PICOS2KHZ(m->pixclock) * 1000;
 	t->hsw = m->hsync_len;
 	t->hfp = m->right_margin;
 	t->hbp = m->left_margin;