The patch titled
cirrusfb: add imageblit function
has been added to the -mm tree. Its filename is
cirrusfb-add-imageblit-function.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: cirrusfb: add imageblit function
From: Krzysztof Helt <krzysztof.h1@xxxxx>
Add hardware color expansion (imageblit) function. It roughly doubles
scrolling speed of my Alpine card (GD5430).
Signed-off-by: Krzysztof Helt <krzysztof.h1@xxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/cirrusfb.c | 64 ++++++++++++++++++++++++++-----------
1 file changed, 46 insertions(+), 18 deletions(-)
diff -puN drivers/video/cirrusfb.c~cirrusfb-add-imageblit-function drivers/video/cirrusfb.c
--- a/drivers/video/cirrusfb.c~cirrusfb-add-imageblit-function
+++ a/drivers/video/cirrusfb.c
@@ -381,7 +381,8 @@ static void cirrusfb_BitBLT(u8 __iomem *
static void cirrusfb_RectFill(u8 __iomem *regbase, int bits_per_pixel,
u_short x, u_short y,
u_short width, u_short height,
- u32 color, u_short line_length);
+ u32 fg_color, u32 bg_color,
+ u_short line_length, u_char blitmode);
static void bestclock(long freq, int *nom, int *den, int *div);
@@ -1790,8 +1791,8 @@ static void cirrusfb_fillrect(struct fb_
info->var.bits_per_pixel,
(region->dx * m) / 8, region->dy,
(region->width * m) / 8, region->height,
- color,
- info->fix.line_length);
+ color, color,
+ info->fix.line_length, 0x40);
}
static void cirrusfb_copyarea(struct fb_info *info,
@@ -1840,9 +1841,33 @@ static void cirrusfb_imageblit(struct fb
{
struct cirrusfb_info *cinfo = info->par;
- if (!is_laguna(cinfo))
+ if (info->state != FBINFO_STATE_RUNNING)
+ return;
+ if (info->flags & FBINFO_HWACCEL_DISABLED)
+ cfb_imageblit(info, image);
+ else {
+ unsigned size = ((image->width + 7) >> 3) * image->height;
+ int m = info->var.bits_per_pixel;
+ u32 fg, bg;
+
+ if (info->var.bits_per_pixel == 8) {
+ fg = image->fg_color;
+ bg = image->bg_color;
+ } else {
+ fg = ((u32 *)(info->pseudo_palette))[image->fg_color];
+ bg = ((u32 *)(info->pseudo_palette))[image->bg_color];
+ }
cirrusfb_WaitBLT(cinfo->regbase);
- cfb_imageblit(info, image);
+ /* byte rounded scanlines */
+ vga_wgfx(cinfo->regbase, CL_GR33, 0x00);
+ cirrusfb_RectFill(cinfo->regbase,
+ info->var.bits_per_pixel,
+ (image->dx * m) / 8, image->dy,
+ (image->width * m) / 8, image->height,
+ fg, bg,
+ info->fix.line_length, 0x04);
+ memcpy(info->screen_base, image->data, size);
+ }
}
#ifdef CONFIG_PPC_PREP
@@ -1988,10 +2013,12 @@ static int __devinit cirrusfb_set_fbinfo
| FBINFO_HWACCEL_XPAN
| FBINFO_HWACCEL_YPAN
| FBINFO_HWACCEL_FILLRECT
+ | FBINFO_HWACCEL_IMAGEBLIT
| FBINFO_HWACCEL_COPYAREA;
if (noaccel || is_laguna(cinfo))
info->flags |= FBINFO_HWACCEL_DISABLED;
info->fbops = &cirrusfb_ops;
+
if (cinfo->btype == BT_GD5480) {
if (var->bits_per_pixel == 16)
info->screen_base += 1 * MB_;
@@ -2711,7 +2738,8 @@ static void cirrusfb_BitBLT(u8 __iomem *
static void cirrusfb_RectFill(u8 __iomem *regbase, int bits_per_pixel,
u_short x, u_short y, u_short width, u_short height,
- u32 color, u_short line_length)
+ u32 fg_color, u32 bg_color, u_short line_length,
+ u_char blitmode)
{
u_long ndest = (y * line_length) + x;
u_char op;
@@ -2720,24 +2748,24 @@ static void cirrusfb_RectFill(u8 __iomem
/* This is a ColorExpand Blt, using the */
/* same color for foreground and background */
- vga_wgfx(regbase, VGA_GFX_SR_VALUE, color); /* foreground color */
- vga_wgfx(regbase, VGA_GFX_SR_ENABLE, color); /* background color */
+ vga_wgfx(regbase, VGA_GFX_SR_VALUE, bg_color);
+ vga_wgfx(regbase, VGA_GFX_SR_ENABLE, fg_color);
- op = 0xc0;
+ op = 0x80;
if (bits_per_pixel >= 16) {
- vga_wgfx(regbase, CL_GR10, color >> 8); /* foreground color */
- vga_wgfx(regbase, CL_GR11, color >> 8); /* background color */
- op = 0xd0;
+ vga_wgfx(regbase, CL_GR10, bg_color >> 8);
+ vga_wgfx(regbase, CL_GR11, fg_color >> 8);
+ op = 0x90;
}
if (bits_per_pixel == 32) {
- vga_wgfx(regbase, CL_GR12, color >> 16);/* foreground color */
- vga_wgfx(regbase, CL_GR13, color >> 16);/* background color */
- vga_wgfx(regbase, CL_GR14, color >> 24);/* foreground color */
- vga_wgfx(regbase, CL_GR15, color >> 24);/* background color */
- op = 0xf0;
+ vga_wgfx(regbase, CL_GR12, bg_color >> 16);
+ vga_wgfx(regbase, CL_GR13, fg_color >> 16);
+ vga_wgfx(regbase, CL_GR14, bg_color >> 24);
+ vga_wgfx(regbase, CL_GR15, fg_color >> 24);
+ op = 0xb0;
}
cirrusfb_set_blitter(regbase, width - 1, height - 1,
- 0, ndest, op, line_length);
+ 0, ndest, op | blitmode, line_length);
}
/**************************************************************************
_
Patches currently in -mm which might be from krzysztof.h1@xxxxx are
linux-next.patch
cirrusfb-fix-laguna-chipset-memory-detection-and-clock-setting.patch
cirrusfb-add-laguna-additional-overflow-register.patch
cirrusfb-add-mmio-registers-for-laguna-chipsets.patch
cirrusfb-do-not-calculate-line-length-twice.patch
cirrusfb-use-5-6-5-rgb-for-16bpp-mode.patch
cirrusfb-various-improvements.patch
cirrusfb-laguna-chipset-8bpp-fix.patch
cirrusfb-check_var-improvements.patch
cirrusfb-various-laguna-fixes.patch
cirrusfb-acceleration-improvements.patch
cirrusfb-add-imageblit-function.patch
cirrusfb-fix-error-paths-in-cirrusfb_xxx_register.patch
drivers-video-sgivwfbc-fix-memory-leaks-in-removal-path.patch
tdfxfb-fix-memory-leaks-in-removal-path.patch
tridentfb-fix-memory-leaks-in-removal-path.patch
vfb-fix-memory-leaks-in-removal-path.patch
sstfb-check-fb_alloc_cmap-return-value-and-handle-failure-properly.patch
stifb-check-fb_alloc_cmap-return-value-and-handle-failure-properly.patch
valkyriefb-check-fb_alloc_cmap-return-value-and-handle-failure-properly.patch
68328fb-fix-cmap-memory-leaks.patch
amba-clcd-fix-cmap-memory-leaks.patch
amifb-check-fb_alloc_cmap-return-value-and-handle-failure-properly.patch
asiliantfb-fix-cmap-memory-leaks.patch
asiliantfb-fix-cmap-memory-leaks-fix.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
