From: "Antonino A. Daplas" <adaplas@hotpop.com>

1. Fixed cursor corruption if acceleration is enabled
2. Round up fields in var instead of rounding down
3. Set capabilities flags
4. Added myself to the MAINTAINERS file for i810fb

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 25-sparc64-akpm/MAINTAINERS                    |    6 ++
 25-sparc64-akpm/drivers/video/Kconfig          |    4 +
 25-sparc64-akpm/drivers/video/i810/i810_dvt.c  |   14 ++---
 25-sparc64-akpm/drivers/video/i810/i810_main.c |   68 +++++++++++++++----------
 4 files changed, 57 insertions(+), 35 deletions(-)

diff -puN drivers/video/i810/i810_dvt.c~i810fb-fixes drivers/video/i810/i810_dvt.c
--- 25-sparc64/drivers/video/i810/i810_dvt.c~i810fb-fixes	2004-07-31 20:58:00.699032304 -0700
+++ 25-sparc64-akpm/drivers/video/i810/i810_dvt.c	2004-07-31 20:58:00.708030936 -0700
@@ -193,19 +193,19 @@ struct mode_registers std_modes[] = {
 
 void round_off_xres(u32 *xres) 
 {
-	if (*xres < 800) 
+	if (*xres <= 640)
 		*xres = 640;
-	if (*xres < 1024 && *xres >= 800) 
+	else if (*xres <= 800)
 		*xres = 800;
-	if (*xres < 1152 && *xres >= 1024)
+	else if (*xres <= 1024)
 		*xres = 1024;
-	if (*xres < 1280 && *xres >= 1152)
+	else if (*xres <= 1152)
 		*xres = 1152;
-	if (*xres < 1600 && *xres >= 1280)
+	else if (*xres <= 1280)
 		*xres = 1280;
-	if (*xres >= 1600)
+	else
 		*xres = 1600;
-}		
+}
 
 inline void round_off_yres(u32 *xres, u32 *yres)
 {
diff -puN drivers/video/i810/i810_main.c~i810fb-fixes drivers/video/i810/i810_main.c
--- 25-sparc64/drivers/video/i810/i810_main.c~i810fb-fixes	2004-07-31 20:58:00.701032000 -0700
+++ 25-sparc64-akpm/drivers/video/i810/i810_main.c	2004-07-31 20:58:00.710030632 -0700
@@ -1353,11 +1353,15 @@ static int i810fb_set_par(struct fb_info
 
 	encode_fix(&info->fix, info);
 
-	if (info->var.accel_flags && !(par->dev_flags & LOCKUP)) 
+	if (info->var.accel_flags && !(par->dev_flags & LOCKUP)) {
+		info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN |
+		FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
+		FBINFO_HWACCEL_IMAGEBLIT;
 		info->pixmap.scan_align = 2;
-	else 
+	} else {
 		info->pixmap.scan_align = 1;
-	
+		info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
+	}
 	return 0;
 }
 
@@ -1388,16 +1392,17 @@ static int i810fb_cursor(struct fb_info 
 {
 	struct i810fb_par *par = (struct i810fb_par *)info->par;
 	u8 *mmio = par->mmio_start_virtual;	
-	u8 data[64 * 8];
-	
+
 	if (!info->var.accel_flags || par->dev_flags & LOCKUP) 
 		return soft_cursor(info, cursor);
 
 	if (cursor->image.width > 64 || cursor->image.height > 64)
 		return -ENXIO;
 
-	if ((i810_readl(CURBASE, mmio) & 0xf) != par->cursor_heap.physical)
+	if ((i810_readl(CURBASE, mmio) & 0xf) != par->cursor_heap.physical) {
 		i810_init_cursor(par);
+		cursor->set |= FB_CUR_SETALL;
+	}
 
 	i810_enable_cursor(mmio, OFF);
 
@@ -1409,50 +1414,56 @@ static int i810fb_cursor(struct fb_info 
 
 		info->cursor.image.dx = cursor->image.dx;
 		info->cursor.image.dy = cursor->image.dy;
-		
-		tmp = cursor->image.dx - info->var.xoffset;
-		tmp |= (cursor->image.dy - info->var.yoffset) << 16;
-	    
+		tmp = (info->cursor.image.dx - info->var.xoffset) & 0xffff;
+		tmp |= (info->cursor.image.dy - info->var.yoffset) << 16;
 		i810_writel(CURPOS, mmio, tmp);
 	}
 
 	if (cursor->set & FB_CUR_SETSIZE) {
+		i810_reset_cursor_image(par);
 		info->cursor.image.height = cursor->image.height;
 		info->cursor.image.width = cursor->image.width;
-		i810_reset_cursor_image(par);
 	}
 
 	if (cursor->set & FB_CUR_SETCMAP) {
-		info->cursor.image.fg_color = cursor->image.fg_color;
-		info->cursor.image.bg_color = cursor->image.bg_color;
 		i810_load_cursor_colors(cursor->image.fg_color,
 					cursor->image.bg_color,
 					info);
+		info->cursor.image.fg_color = cursor->image.fg_color;
+		info->cursor.image.bg_color = cursor->image.bg_color;
+
 	}
 
-	if (cursor->set & FB_CUR_SETSHAPE) {
+	if (cursor->set & (FB_CUR_SETSHAPE)) {
 		int size = ((info->cursor.image.width + 7) >> 3) * 
-			     info->cursor.image.height;
+			info->cursor.image.height;
 		int i;
+		u8 *data = kmalloc(64 * 8, GFP_KERNEL);
+
+		if (data == NULL)
+			return -ENOMEM;
+		info->cursor.image.data = cursor->image.data;
 
 		switch (info->cursor.rop) {
 		case ROP_XOR:
 			for (i = 0; i < size; i++)
-				data[i] = cursor->image.data[i] ^ info->cursor.mask[i]; 
+				data[i] = info->cursor.image.data[i] ^ info->cursor.mask[i];
 			break;
 		case ROP_COPY:
 		default:
 			for (i = 0; i < size; i++)
-				data[i] = cursor->image.data[i] & info->cursor.mask[i]; 
+				data[i] = info->cursor.image.data[i] & info->cursor.mask[i];
 			break;
 		}
 		i810_load_cursor_image(info->cursor.image.width, 
 				       info->cursor.image.height, data,
 				       par);
+		kfree(data);
 	}
 
 	if (info->cursor.enable)
 		i810_enable_cursor(mmio, ON);
+
 	return 0;
 }
 
@@ -1641,9 +1652,11 @@ static void __devinit i810_init_monspecs
 		hsync1 = HFMIN;
 	if (!hsync2) 
 		hsync2 = HFMAX;
-	info->monspecs.hfmax = hsync2;
-	info->monspecs.hfmin = hsync1;
-	if (hsync2 < hsync1) 
+	if (!info->monspecs.hfmax)
+		info->monspecs.hfmax = hsync2;
+	if (!info->monspecs.hfmin)
+		info->monspecs.hfmin = hsync1;
+	if (hsync1 < hsync2)
 		info->monspecs.hfmin = hsync2;
 
 	if (!vsync1)
@@ -1652,8 +1665,10 @@ static void __devinit i810_init_monspecs
 		vsync2 = VFMAX;
 	if (IS_DVT && vsync1 < 60)
 		vsync1 = 60;
-	info->monspecs.vfmax = vsync2;
-	info->monspecs.vfmin = vsync1;		
+	if (!info->monspecs.vfmax)
+		info->monspecs.vfmax = vsync2;
+	if (!info->monspecs.vfmin)
+		info->monspecs.vfmin = vsync1;
 	if (vsync2 < vsync1) 
 		info->monspecs.vfmin = vsync2;
 }
@@ -1724,6 +1739,7 @@ static void __devinit i810_init_device(s
 	pci_read_config_byte(par->dev, 0x50, &reg);
 	reg &= FREQ_MASK;
 	par->mem_freq = (reg) ? 133 : 100;
+
 }
 
 static int __devinit 
@@ -1836,8 +1852,9 @@ static int __devinit i810fb_init_pci (st
 {
 	struct fb_info    *info;
 	struct i810fb_par *par = NULL;
-	int err, vfreq, hfreq, pixclock;
+	int i, err = -1, vfreq, hfreq, pixclock;
 
+	i = 0;
 	if (!(info = kmalloc(sizeof(struct fb_info), GFP_KERNEL))) {
 		i810fb_release_resource(info, par);
 		return -ENOMEM;
@@ -1879,8 +1896,6 @@ static int __devinit i810fb_init_pci (st
 	info->screen_base = par->fb.virtual;
 	info->fbops = &par->i810fb_ops;
 	info->pseudo_palette = par->pseudo_palette;
-	info->flags = FBINFO_FLAG_DEFAULT;
-	
 	fb_alloc_cmap(&info->cmap, 256, 0);
 
 	if ((err = info->fbops->fb_check_var(&info->var, info))) {
@@ -1957,8 +1972,7 @@ static void i810fb_release_resource(stru
 
 		kfree(par);
 	}
-	if (info) 
-		kfree(info);
+	kfree(info);
 }
 
 static void __exit i810fb_remove_pci(struct pci_dev *dev)
diff -puN drivers/video/Kconfig~i810fb-fixes drivers/video/Kconfig
--- 25-sparc64/drivers/video/Kconfig~i810fb-fixes	2004-07-31 20:58:00.703031696 -0700
+++ 25-sparc64-akpm/drivers/video/Kconfig	2004-07-31 20:58:00.711030480 -0700
@@ -457,7 +457,9 @@ config FB_RIVA_DEBUG
 
 config FB_I810
 	tristate "Intel 810/815 support (EXPERIMENTAL)"
-	depends on FB && AGP && AGP_INTEL && EXPERIMENTAL && PCI	
+	depends on FB && EXPERIMENTAL && PCI
+	select AGP
+	select AGP_INTEL
 	help
 	  This driver supports the on-board graphics built in to the Intel 810 
           and 815 chipsets.  Say Y if you have and plan to use such a board.
diff -puN MAINTAINERS~i810fb-fixes MAINTAINERS
--- 25-sparc64/MAINTAINERS~i810fb-fixes	2004-07-31 20:58:00.705031392 -0700
+++ 25-sparc64-akpm/MAINTAINERS	2004-07-31 20:58:00.713030176 -0700
@@ -1062,6 +1062,12 @@ M:	lethal@chaoticdreams.org
 L:	linux-fbdev-devel@lists.sourceforge.net
 S:	Maintained
 
+INTEL 810/815 FRAMEBUFFER DRIVER
+P:      Antonino Daplas
+M:      adaplas@pol.net
+L:      linux-fbdev-devel@lists.sourceforge.net
+S:      Maintained
+
 INTEL APIC/IOAPIC, LOWLEVEL X86 SMP SUPPORT
 P:	Ingo Molnar
 M:	mingo@redhat.com
_