Merge branch 'parisc-4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc fixes from Helge Deller:
 "We have one important patch from Dave Anglin and myself which fixes
  PTE/TLB race conditions which caused random segmentation faults on our
  debian buildd servers, and one patch from Alex Ivanov which speeds up
  the graphical text console on the STI framebuffer driver"

* 'parisc-4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: Fix some PTE/TLB race conditions and optimize __flush_tlb_range based on timing results
  stifb: Implement hardware accelerated copyarea

1 files changed, 38 insertions, 2 deletions

diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c
index 86621fabbb8b..735355b0e023 100644
--- a/drivers/video/fbdev/stifb.c
+++ b/drivers/video/fbdev/stifb.c
@@ -121,6 +121,7 @@ static int __initdata stifb_bpp_pref[MAX_STI_ROMS];
 #define REG_3		0x0004a0
 #define REG_4		0x000600
 #define REG_6		0x000800
+#define REG_7		0x000804
 #define REG_8		0x000820
 #define REG_9		0x000a04
 #define REG_10		0x018000
@@ -135,6 +136,8 @@ static int __initdata stifb_bpp_pref[MAX_STI_ROMS];
 #define REG_21		0x200218
 #define REG_22		0x0005a0
 #define REG_23		0x0005c0
+#define REG_24		0x000808
+#define REG_25		0x000b00
 #define REG_26		0x200118
 #define REG_27		0x200308
 #define REG_32		0x21003c
@@ -429,6 +432,9 @@ ARTIST_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
 #define SET_LENXY_START_RECFILL(fb, lenxy) \
 	WRITE_WORD(lenxy, fb, REG_9)
 
+#define SETUP_COPYAREA(fb) \
+	WRITE_BYTE(0, fb, REG_16b1)
+
 static void
 HYPER_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
 {
@@ -1004,6 +1010,36 @@ stifb_blank(int blank_mode, struct fb_info *info)
 	return 0;
 }
 
+static void
+stifb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
+{
+	struct stifb_info *fb = container_of(info, struct stifb_info, info);
+
+	SETUP_COPYAREA(fb);
+
+	SETUP_HW(fb);
+	if (fb->info.var.bits_per_pixel == 32) {
+		WRITE_WORD(0xBBA0A000, fb, REG_10);
+
+		NGLE_REALLY_SET_IMAGE_PLANEMASK(fb, 0xffffffff);
+	} else {
+		WRITE_WORD(fb->id == S9000_ID_HCRX ? 0x13a02000 : 0x13a01000, fb, REG_10);
+
+		NGLE_REALLY_SET_IMAGE_PLANEMASK(fb, 0xff);
+	}
+
+	NGLE_QUICK_SET_IMAGE_BITMAP_OP(fb,
+		IBOvals(RopSrc, MaskAddrOffset(0),
+		BitmapExtent08, StaticReg(1),
+		DataDynamic, MaskOtc, BGx(0), FGx(0)));
+
+	WRITE_WORD(((area->sx << 16) | area->sy), fb, REG_24);
+	WRITE_WORD(((area->width << 16) | area->height), fb, REG_7);
+	WRITE_WORD(((area->dx << 16) | area->dy), fb, REG_25);
+
+	SETUP_FB(fb);
+}
+
 static void __init
 stifb_init_display(struct stifb_info *fb)
 {
@@ -1069,7 +1105,7 @@ static struct fb_ops stifb_ops = {
 	.fb_setcolreg	= stifb_setcolreg,
 	.fb_blank	= stifb_blank,
 	.fb_fillrect	= cfb_fillrect,
-	.fb_copyarea	= cfb_copyarea,
+	.fb_copyarea	= stifb_copyarea,
 	.fb_imageblit	= cfb_imageblit,
 };
 
@@ -1258,7 +1294,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
 	info->fbops = &stifb_ops;
 	info->screen_base = ioremap_nocache(REGION_BASE(fb,1), fix->smem_len);
 	info->screen_size = fix->smem_len;
-	info->flags = FBINFO_DEFAULT;
+	info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA;
 	info->pseudo_palette = &fb->pseudo_palette;
 
 	/* This has to be done !!! */