[PATCH 5/5] [I810FB]: i810fb fixes
From: Antonino A. Daplas
Date: Wed Jul 28 2004 - 21:24:53 EST
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
Tony
Signed-off-by: Antonino Daplas <adaplas@xxxxxxx>
MAINTAINERS | 6 +++
drivers/video/Kconfig | 4 +-
drivers/video/i810/i810_dvt.c | 14 +++----
drivers/video/i810/i810_main.c | 72 ++++++++++++++++++++++++-----------------
4 files changed, 59 insertions(+), 37 deletions(-)
diff -uprN linux-2.6.8-rc2-mm1-orig/MAINTAINERS linux-2.6.8-rc2-mm1/MAINTAINERS
--- linux-2.6.8-rc2-mm1-orig/MAINTAINERS 2004-07-29 00:36:12.028112928 +0000
+++ linux-2.6.8-rc2-mm1/MAINTAINERS 2004-07-29 00:35:56.592459504 +0000
@@ -1060,6 +1060,12 @@ M: lethal@xxxxxxxxxxxxxxxxx
L: linux-fbdev-devel@xxxxxxxxxxxxxxxxxxxxx
S: Maintained
+INTEL 810/815 FRAMEBUFFER DRIVER
+P: Antonino Daplas
+M: adaplas@xxxxxxx
+L: linux-fbdev-devel@xxxxxxxxxxxxxxxxxxxxx
+S: Maintained
+
INTEL APIC/IOAPIC, LOWLEVEL X86 SMP SUPPORT
P: Ingo Molnar
M: mingo@xxxxxxxxxx
diff -uprN linux-2.6.8-rc2-mm1-orig/drivers/video/Kconfig linux-2.6.8-rc2-mm1/drivers/video/Kconfig
--- linux-2.6.8-rc2-mm1-orig/drivers/video/Kconfig 2004-07-28 19:51:13.000000000 +0000
+++ linux-2.6.8-rc2-mm1/drivers/video/Kconfig 2004-07-29 00:35:04.115437224 +0000
@@ -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 -uprN linux-2.6.8-rc2-mm1-orig/drivers/video/i810/i810_dvt.c linux-2.6.8-rc2-mm1/drivers/video/i810/i810_dvt.c
--- linux-2.6.8-rc2-mm1-orig/drivers/video/i810/i810_dvt.c 2004-05-10 02:33:13.000000000 +0000
+++ linux-2.6.8-rc2-mm1/drivers/video/i810/i810_dvt.c 2004-07-29 00:35:35.466671112 +0000
@@ -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 -uprN linux-2.6.8-rc2-mm1-orig/drivers/video/i810/i810_main.c linux-2.6.8-rc2-mm1/drivers/video/i810/i810_main.c
--- linux-2.6.8-rc2-mm1-orig/drivers/video/i810/i810_main.c 2004-05-10 02:32:27.000000000 +0000
+++ linux-2.6.8-rc2-mm1/drivers/video/i810/i810_main.c 2004-07-29 01:53:15.973166432 +0000
@@ -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)
+
+ 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 &= 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)
-
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