pxa_lcd: make driver cache-aware
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
diff --git a/drivers/video/pxa_lcd.c b/drivers/video/pxa_lcd.c
index ba4f897..d64c25b 100644
--- a/drivers/video/pxa_lcd.c
+++ b/drivers/video/pxa_lcd.c
@@ -353,6 +353,9 @@
pxafb_init(&panel_info);
pxafb_setup_gpio(&panel_info);
pxafb_enable_controller(&panel_info);
+
+ /* Enable flushing if we enabled dcache */
+ lcd_set_flush_dcache(1);
}
/*----------------------------------------------------------------------*/
@@ -565,6 +568,10 @@
fbi->dmadesc_fblow->fidr = 0;
fbi->dmadesc_fblow->ldcmd = BYTES_PER_PANEL;
+ flush_dcache_range((u32)fbi->dmadesc_fblow,
+ (u32)fbi->dmadesc_fblow +
+ sizeof(*fbi->dmadesc_fblow));
+
fbi->fdadr1 = (u_long)fbi->dmadesc_fblow; /* only used in dual-panel mode */
fbi->dmadesc_fbhigh->fsadr = fbi->screen;
@@ -580,11 +587,20 @@
/* assume any mode with <12 bpp is palette driven */
fbi->dmadesc_palette->fdadr = (u_long)fbi->dmadesc_fbhigh;
fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_palette;
+ flush_dcache_range((u32)fbi->dmadesc_fbhigh,
+ (u32)fbi->dmadesc_fbhigh +
+ sizeof(*fbi->dmadesc_fbhigh));
+ flush_dcache_range((u32)fbi->dmadesc_palette,
+ (u32)fbi->dmadesc_palette +
+ sizeof(*fbi->dmadesc_palette));
/* flips back and forth between pal and fbhigh */
fbi->fdadr0 = (u_long)fbi->dmadesc_palette;
}
else
{
+ flush_dcache_range((u32)fbi->dmadesc_fbhigh,
+ (u32)fbi->dmadesc_fbhigh +
+ sizeof(*fbi->dmadesc_fbhigh));
/* palette shouldn't be loaded in true-color mode */
fbi->dmadesc_fbhigh->fdadr = (u_long)fbi->dmadesc_fbhigh;
fbi->fdadr0 = (u_long)fbi->dmadesc_fbhigh; /* no pal just fbhigh */