X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fvideo%2Fvesafb.c;h=8982e540214c56b2de7d0299ce8c15258d76fc83;hb=fe69102188cde0700cddd8d4cda0b77d68284884;hp=e25eae1a78c1de86e9f1f7f25103c12708c63a38;hpb=e532c37858fdcc18e9a91d24c2e22cd21aa22561;p=linux-2.6

diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
index e25eae1a78..8982e54021 100644
--- a/drivers/video/vesafb.c
+++ b/drivers/video/vesafb.c
@@ -57,7 +57,6 @@ static unsigned short  *pmi_base  = NULL;
 static void            (*pmi_start)(void);
 static void            (*pmi_pal)(void);
 static int             depth;
-static int             vga_compat;
 
 /* --------------------------------------------------------------------- */
 
@@ -67,15 +66,6 @@ static int vesafb_pan_display(struct fb_var_screeninfo *var,
 #ifdef __i386__
 	int offset;
 
-	if (!ypan)
-		return -EINVAL;
-	if (var->xoffset)
-		return -EINVAL;
-	if (var->yoffset > var->yres_virtual)
-		return -EINVAL;
-	if ((ypan==1) && var->yoffset+var->yres > var->yres_virtual)
-		return -EINVAL;
-
 	offset = (var->yoffset * info->fix.line_length + var->xoffset) / 4;
 
         __asm__ __volatile__(
@@ -90,37 +80,6 @@ static int vesafb_pan_display(struct fb_var_screeninfo *var,
 	return 0;
 }
 
-static int vesafb_blank(int blank, struct fb_info *info)
-{
-	int err = 1;
-
-	if (vga_compat) {
-		int loop = 10000;
-		u8 seq = 0, crtc17 = 0;
-
-		if (blank == FB_BLANK_POWERDOWN) {
-			seq = 0x20;
-			crtc17 = 0x00;
-			err = 0;
-		} else {
-			seq = 0x00;
-			crtc17 = 0x80;
-			err = (blank == FB_BLANK_UNBLANK) ? 0 : -EINVAL;
-		}
-
-		vga_wseq(NULL, 0x00, 0x01);
-		seq |= vga_rseq(NULL, 0x01) & ~0x20;
-		vga_wseq(NULL, 0x00, seq);
-
-		crtc17 |= vga_rcrt(NULL, 0x17) & ~0x80;
-		while (loop--);
-		vga_wcrt(NULL, 0x17, crtc17);
-		vga_wseq(NULL, 0x00, 0x03);
-	}
-
-	return err;
-}
-
 static void vesa_setpalette(int regno, unsigned red, unsigned green,
 			    unsigned blue)
 {
@@ -205,7 +164,6 @@ static struct fb_ops vesafb_ops = {
 	.owner		= THIS_MODULE,
 	.fb_setcolreg	= vesafb_setcolreg,
 	.fb_pan_display	= vesafb_pan_display,
-	.fb_blank       = vesafb_blank,
 	.fb_fillrect	= cfb_fillrect,
 	.fb_copyarea	= cfb_copyarea,
 	.fb_imageblit	= cfb_imageblit,
@@ -245,9 +203,8 @@ static int __init vesafb_setup(char *options)
 	return 0;
 }
 
-static int __init vesafb_probe(struct device *device)
+static int __init vesafb_probe(struct platform_device *dev)
 {
-	struct platform_device *dev = to_platform_device(device);
 	struct fb_info *info;
 	int i, err;
 	unsigned int size_vmode;
@@ -414,6 +371,7 @@ static int __init vesafb_probe(struct device *device)
 	 * region already (FIXME) */
 	request_region(0x3c0, 32, "vesafb");
 
+#ifdef CONFIG_MTRR
 	if (mtrr) {
 		unsigned int temp_size = size_total;
 		unsigned int type = 0;
@@ -451,6 +409,7 @@ static int __init vesafb_probe(struct device *device)
 			} while (temp_size >= PAGE_SIZE && rc == -EINVAL);
 		}
 	}
+#endif
 	
 	info->fbops = &vesafb_ops;
 	info->var = vesafb_defined;
@@ -458,9 +417,8 @@ static int __init vesafb_probe(struct device *device)
 	info->flags = FBINFO_FLAG_DEFAULT |
 		(ypan) ? FBINFO_HWACCEL_YPAN : 0;
 
-	vga_compat = (screen_info.capabilities & 2) ? 0 : 1;
-	printk("vesafb: Mode is %sVGA compatible\n",
-	       (vga_compat) ? "" : "not ");
+	if (!ypan)
+		info->fbops->fb_pan_display = NULL;
 
 	if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {
 		err = -ENOMEM;
@@ -480,10 +438,11 @@ err:
 	return err;
 }
 
-static struct device_driver vesafb_driver = {
-	.name	= "vesafb",
-	.bus	= &platform_bus_type,
+static struct platform_driver vesafb_driver = {
 	.probe	= vesafb_probe,
+	.driver	= {
+		.name	= "vesafb",
+	},
 };
 
 static struct platform_device vesafb_device = {
@@ -498,12 +457,12 @@ static int __init vesafb_init(void)
 	/* ignore error return of fb_get_options */
 	fb_get_options("vesafb", &option);
 	vesafb_setup(option);
-	ret = driver_register(&vesafb_driver);
+	ret = platform_driver_register(&vesafb_driver);
 
 	if (!ret) {
 		ret = platform_device_register(&vesafb_device);
 		if (ret)
-			driver_unregister(&vesafb_driver);
+			platform_driver_unregister(&vesafb_driver);
 	}
 	return ret;
 }