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Commit 03b9ae4b authored by Antonino A. Daplas's avatar Antonino A. Daplas Committed by Linus Torvalds
Browse files

pm2fb: fb_sync added 



Convert internal wait_pm2() function to fb API fb_sync() method.

Signed-off-by: default avatarKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: default avatarAntonino Daplas <adaplas@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 647f2e7a

drivers/video/pm2fb.c

+21 −17
Original line number Diff line number Diff line
@@ -204,17 +204,6 @@ static inline void WAIT_FIFO(struct pm2fb_par* p, u32 a) 
}

#endif



static void wait_pm2(struct pm2fb_par* par) {



	WAIT_FIFO(par, 1);

	pm2_WR(par, PM2R_SYNC, 0);

	mb();

	do {

		while (pm2_RD(par, PM2R_OUT_FIFO_WORDS) == 0);

		rmb();

	} while (pm2_RD(par, PM2R_OUT_FIFO) != PM2TAG(PM2R_SYNC));

}



/*

 * partial products for the supported horizontal resolutions.

 */
@@ -1050,13 +1039,30 @@ static int pm2fb_blank(int blank_mode, struct fb_info *info) 
	return 0;

}



static int pm2fb_sync(struct fb_info *info)

{

	struct pm2fb_par *par = info->par;



	WAIT_FIFO(par, 1);

	pm2_WR(par, PM2R_SYNC, 0);

	mb();

	do {

		while (pm2_RD(par, PM2R_OUT_FIFO_WORDS) == 0)

			udelay(10);

		rmb();

	} while (pm2_RD(par, PM2R_OUT_FIFO) != PM2TAG(PM2R_SYNC));



	return 0;

}



/*

 * block operation. copy=0: rectangle fill, copy=1: rectangle copy.

 */

static void pm2fb_block_op(struct pm2fb_par* par, int copy,

static void pm2fb_block_op(struct fb_info* info, int copy,

				s32 xsrc, s32 ysrc,

				s32 x, s32 y, s32 w, s32 h,

				u32 color) {

	struct pm2fb_par *par = info->par;



	if (!w || !h)

		return;
@@ -1076,13 +1082,11 @@ static void pm2fb_block_op(struct pm2fb_par* par, int copy, 
				(x<xsrc ? PM2F_INCREASE_X : 0) |

				(y<ysrc ? PM2F_INCREASE_Y : 0) |

				(copy ? 0 : PM2F_RENDER_FASTFILL));

	wait_pm2(par);

}



static void pm2fb_fillrect (struct fb_info *info,

				const struct fb_fillrect *region)

{

	struct pm2fb_par *par = info->par;

	struct fb_fillrect modded;

	int vxres, vyres;

	u32 color = (info->fix.visual == FB_VISUAL_TRUECOLOR) ?
@@ -1116,7 +1120,7 @@ static void pm2fb_fillrect (struct fb_info *info, 
		color |= color << 16;



	if(info->var.bits_per_pixel != 24)

		pm2fb_block_op(par, 0, 0, 0,

		pm2fb_block_op(info, 0, 0, 0,

				modded.dx, modded.dy,

				modded.width, modded.height, color);

	else
@@ -1126,7 +1130,6 @@ static void pm2fb_fillrect (struct fb_info *info, 
static void pm2fb_copyarea(struct fb_info *info,

				const struct fb_copyarea *area)

{

	struct pm2fb_par *par = info->par;

	struct fb_copyarea modded;

	u32 vxres, vyres;
@@ -1156,7 +1159,7 @@ static void pm2fb_copyarea(struct fb_info *info, 
	if(modded.dy + modded.height > vyres)

		modded.height = vyres - modded.dy;



	pm2fb_block_op(par, 1, modded.sx, modded.sy,

	pm2fb_block_op(info, 1, modded.sx, modded.sy,

			modded.dx, modded.dy,

			modded.width, modded.height, 0);

}
@@ -1177,6 +1180,7 @@ static struct fb_ops pm2fb_ops = { 
	.fb_fillrect	= pm2fb_fillrect,

	.fb_copyarea	= pm2fb_copyarea,

	.fb_imageblit	= cfb_imageblit,

	.fb_sync	= pm2fb_sync,

};



/*