some fixes

package/xf86-video-siliconmotion/patches/patch-src_Makefile_in

@@ -0,0 +1,11 @@
+--- xf86-video-siliconmotion-1.7.7.orig/src/Makefile.in	2012-07-17 08:28:17.000000000 +0200
++++ xf86-video-siliconmotion-1.7.7/src/Makefile.in	2014-03-14 18:09:06.901850694 +0100
+@@ -288,7 +288,7 @@ target_alias = @target_alias@
+ top_build_prefix = @top_build_prefix@
+ top_builddir = @top_builddir@
+ top_srcdir = @top_srcdir@
+-AM_CFLAGS = $(XORG_CFLAGS) $(CWARNFLAGS) $(PCIACCESS_CFLAGS)
++AM_CFLAGS = $(XORG_CFLAGS) $(PCIACCESS_CFLAGS)
+ siliconmotion_drv_la_LTLIBRARIES = siliconmotion_drv.la
+ siliconmotion_drv_la_LDFLAGS = -module -avoid-version
+ siliconmotion_drv_ladir = @moduledir@/drivers

package/xf86-video-siliconmotion/patches/patch-src_smi_driver_c

@@ -0,0 +1,11 @@
+--- xf86-video-siliconmotion-1.7.7.orig/src/smi_driver.c	2012-07-17 06:53:21.000000000 +0200
++++ xf86-video-siliconmotion-1.7.7/src/smi_driver.c	2014-03-14 18:39:37.307139846 +0100
+@@ -1750,8 +1750,6 @@ SMI_ScreenInit(SCREEN_INIT_ARGS_DECL)
+ 		   "Done writing mode.  Register dump:\n");
+     SMI_PrintRegs(pScrn);
+ 
+-    miInitializeBackingStore(pScreen);
+-
+ #ifdef HAVE_XMODES
+     xf86DiDGAInit(pScreen, (unsigned long)(pSmi->FBBase + pScrn->fbOffset));
+ #endif

package/xf86-video-siliconmotion/patches/patch-src_smi_video_c

@@ -0,0 +1,137 @@
+--- xf86-video-siliconmotion-1.7.7.orig/src/smi_video.c	2012-07-17 06:53:21.000000000 +0200
++++ xf86-video-siliconmotion-1.7.7/src/smi_video.c	2014-03-14 18:35:37.546382342 +0100
+@@ -275,6 +275,7 @@ static XF86ImageRec SMI_VideoImages[] =
+     XVIMAGE_YUY2,
+     XVIMAGE_YV12,
+     XVIMAGE_I420,
++    XVIMAGE_UYVY,
+     {
+ 	FOURCC_RV15,			/* id				*/
+ 	XvRGB,				/* type				*/
+@@ -1461,6 +1462,117 @@ SMI_QueryBestSize(
+     LEAVE();
+ }
+ 
++static void myXVCopyYUV12ToPacked(const unsigned char *srcy, const unsigned char *srcv, const unsigned char *srcu,
++		unsigned char *dst, int srcPitchy, int srcPitchuv, int dstPitch, int h, int w)
++{
++	int i, j;
++	unsigned char const *y, *u, *v;
++	int dstinc, yinc, uinc, vinc;
++
++	y = srcy;
++	u = srcu;
++	v = srcv;
++
++	dstinc = dstPitch - 2*w;
++	yinc = srcPitchy - w;
++	uinc = srcPitchuv - w/2;
++	vinc = srcPitchuv - w/2;
++
++	for (i = 0; i < h; i++) {
++		asm (
++//			".set arch=loongson2f\n\t"
++			".set noreorder\n\t"
++			"move $8, %8 \n\t"
++			"1: \n\t"
++			"beqz $8, 2f \n\t"
++			"xor $f0, $f0, $f0 \n\t"
++			"ldc1 $f4, (%0) \n\t"
++			"punpcklbh $f2, $f4, $f0 \n\t"
++			"punpckhbh $f4, $f4, $f0 \n\t"
++			"ldc1 $f16, 8(%0) \n\t"
++			"punpcklbh $f14, $f16, $f0 \n\t"
++			"punpckhbh $f16, $f16, $f0 \n\t"
++			
++			"lwc1 $f8, (%1) \n\t"
++			"lwc1 $f12, (%2) \n\t"
++			"punpcklbh $f8, $f8, $f12 \n\t"
++			"punpcklbh $f6, $f0, $f8 \n\t"
++			"punpckhbh $f8, $f0, $f8 \n\t"
++			"lwc1 $f18, 4(%1) \n\t"
++			"lwc1 $f12, 4(%2) \n\t"
++			"punpcklbh $f18, $f18, $f12 \n\t"
++			"punpcklbh $f10, $f0, $f18 \n\t"
++			"punpckhbh $f12, $f0, $f18 \n\t"
++
++			"or $f2, $f2, $f6 \n\t"
++			"or $f4, $f4, $f8 \n\t"
++			"or $f14, $f14, $f10 \n\t"
++			"or $f16, $f16, $f12 \n\t"
++
++			"sdc1 $f2, (%3) \n\t"
++			"sdc1 $f4, 8(%3) \n\t"
++			"add %0, 16 \n\t"
++			"add %1, 8 \n\t"
++			"add %2, 8 \n\t"
++			"sdc1 $f14, 0x10(%3) \n\t"
++			"sdc1 $f16, 0x18(%3) \n\t"
++			"add $8, -1 \n\t"
++			"b 1b \n\t"
++			"add %3, 32 \n\t"
++			"2: \n\t"
++			".set reorder\n\t"
++			: "=r" (y), "=r" (u), "=r" (v), "=r" (dst)
++			: "0" (y), "1" (u), "2" (v), "3" (dst), "r" (w>>4)
++			: "memory","$8"
++		);
++
++		asm (
++//			".set arch=loongson2f\n\t"
++			".set noreorder\n\t"
++			"move $8, %8 \n\t"
++			"1: \n\t"
++			"beqz $8, 2f \n\t"
++			"xor $f0, $f0, $f0 \n\t"
++			"ldc1 $f4, (%0) \n\t"
++			"punpcklbh $f2, $f4, $f0 \n\t"
++			"punpckhbh $f4, $f4, $f0 \n\t"
++			
++			"lwc1 $f8, (%1) \n\t"
++			"lwc1 $f12, (%2) \n\t"
++			"punpcklbh $f8, $f8, $f12 \n\t"
++			"punpcklbh $f6, $f0, $f8 \n\t"
++			"punpckhbh $f8, $f0, $f8 \n\t"
++
++			"or $f2, $f2, $f6 \n\t"
++			"or $f4, $f4, $f8 \n\t"
++
++			"sdc1 $f2, (%3) \n\t"
++			"sdc1 $f4, 8(%3) \n\t"
++			"add %0, 8 \n\t"
++			"add %1, 4 \n\t"
++			"add %2, 4 \n\t"
++			"add $8, -1 \n\t"
++			"b 1b \n\t"
++			"add %3, 16 \n\t"
++			"2:\n\t"
++			".set reorder\n\t"
++			: "=r" (y), "=r" (u), "=r" (v), "=r" (dst)
++			: "0" (y), "1" (u), "2" (v), "3" (dst), "r" ((w&0xf)/8)
++			: "memory","$8"
++		);
++
++		for (j = (w&7)/2; j; j--) {
++			*dst++ = *y++;
++			*dst++ = *u++;
++			*dst++ = *y++;
++			*dst++ = *v++;
++		}
++		y += yinc;
++		u = (i%2) ? (u + uinc): (u - w/2);
++		v = (i%2) ? (v + vinc): (v - w/2);
++		dst += dstinc;
++	}
++}
+ 
+ static int
+ SMI_PutImage(
+@@ -1592,7 +1704,7 @@ SMI_PutImage(
+ 		offset3 = tmp;
+ 	    }
+ 	    nLines = ((((y2 + 0xffff) >> 16) + 1) & ~1) - top;
+-	    xf86XVCopyYUV12ToPacked(buf + (top * srcPitch) + (left >> 1), 
++	    myXVCopyYUV12ToPacked(buf + (top * srcPitch) + (left >> 1), 
+ 				    buf + offset2, buf + offset3, dstStart,
+ 				    srcPitch, srcPitch2, dstPitch, nLines,
+ 				    nPixels);