!24 Add sw64 architecture

From: @zhouwenpei 
Reviewed-by: @t_feng 
Signed-off-by: @t_feng

libdrm-2.4.109-sw.patch

@@ -0,0 +1,75 @@
+diff -Nuar libdrm-2.4.109.org/include/drm/drm_sarea.h libdrm-2.4.109.sw/include/drm/drm_sarea.h
+--- libdrm-2.4.109.org/include/drm/drm_sarea.h	2022-02-26 01:16:04.810000000 +0000
++++ libdrm-2.4.109.sw/include/drm/drm_sarea.h	2022-02-26 04:13:03.090000000 +0000
+@@ -39,7 +39,9 @@
+ #endif
+ 
+ /* SAREA area needs to be at least a page */
+-#if defined(__alpha__)
++#if defined(__sw_64__)
++#define SAREA_MAX                       0x2000U
++#elif defined(__alpha__)
+ #define SAREA_MAX                       0x2000U
+ #elif defined(__mips__)
+ #define SAREA_MAX                       0x4000U
+diff -Nuar libdrm-2.4.109.org/xf86drm.c libdrm-2.4.109.sw/xf86drm.c
+--- libdrm-2.4.109.org/xf86drm.c	2022-02-26 01:16:04.840000000 +0000
++++ libdrm-2.4.109.sw/xf86drm.c	2022-02-26 02:33:50.700000000 +0000
+@@ -1044,7 +1044,7 @@
+             sv.drm_dd_major = -1;        /* Don't care */
+             sv.drm_dd_minor = -1;        /* Don't care */
+             if (drmSetInterfaceVersion(fd, &sv)) {
+-#ifndef __alpha__
++#ifndef __sw_64__
+                 pci_domain_ok = 0;
+ #endif
+                 sv.drm_di_major = 1;
+diff -Nuar libdrm-2.4.109.org/xf86drm.h libdrm-2.4.109.sw/xf86drm.h
+--- libdrm-2.4.109.org/xf86drm.h	2022-02-26 01:16:04.840000000 +0000
++++ libdrm-2.4.109.sw/xf86drm.h	2022-02-26 04:11:01.090000000 +0000
+@@ -382,6 +382,34 @@
+ 			  "r" (new));                                  \
+ 	} while (0)
+ 
++#elif defined(__sw_64__)
++#define DRM_CAS(lock, old, new, ret)            \
++        do{                                     \
++                int tmp, old32;                 \
++                int tmp1;                       \
++                __asm__ __volatile__(           \
++                "       addw    $31, %6, %4\n"  \
++                "       ldi     %1, %3\n"       \
++                "1:     lldw    %0, 0(%1)\n"    \
++                "       cmpeq   %0, %4, %2\n"   \
++                "       wr_f    %2\n"           \
++                "       mov     %5, %0\n"       \
++                "       lstw    %0, 0(%1)\n"    \
++                "       rd_f    %0\n"           \
++                "       beq     %2, 2f\n"       \
++                "       beq     %0, 3f\n"       \
++                "       memb\n"                 \
++                "2:     cmpeq   %2, 0, %2\n"    \
++                ".subsection 2\n"               \
++                "3:     br      1b\n"           \
++                ".previous"                     \
++                : "=&r"(tmp),"=&r"(tmp1), "=&r"(ret),   \
++                  "=m"(__drm_dummy_lock(lock)), \
++                  "=&r"(old32)                  \
++                : "r"(new), "r"(old)            \
++                : "memory");                    \
++        } while (0)
++
+ #elif defined(__alpha__)
+ 
+ #define	DRM_CAS(lock, old, new, ret)		\
+@@ -511,7 +539,9 @@
+ #define DRM_CAS(lock,old,new,ret) do { ret=1; } while (0) /* FAST LOCK FAILS */
+ #endif
+ 
+-#if defined(__alpha__)
++#if defined(__sw_64__)
++#define DRM_CAS_RESULT(_result)		long _result
++#elif defined(__alpha__)
+ #define DRM_CAS_RESULT(_result)		long _result
+ #elif defined(__powerpc__)
+ #define DRM_CAS_RESULT(_result)		int _result

libdrm.spec

@@ -47,7 +47,7 @@ end}
 
 Name:           libdrm
 Version:        2.4.109
-Release:        4
+Release:        6
 License:        MIT
 Summary:        library for direct rendering manager
 
@@ -80,6 +80,9 @@ BuildRequires:  pkgconfig(udev)
 
 Patch1001:      %{name}-make-dri-perms-okay.patch
 Patch1002:      %{name}-2.4.0-no-bc.patch
+%ifarch sw_64
+Patch1003:      libdrm-2.4.109-sw.patch
+%endif
 
 %description
 %{name} provides a user space library for accessing the DRM, direct rendering manager, 
@@ -267,6 +270,12 @@ install -Dpm0644 -t %{buildroot}%{_udevrulesdir} %{S:2}
 %endif
 
 %changelog
+* Fri Nov 18 2022 zhouwenpei<zhouwenpei1@h-partners.com> - 2.4.109-6
+- Optimize the patch for add sw architecture
+
+* Fri Nov 18 2022 wuzx<wuzx1226@qq.com> - 2.4.109-5
+- Add sw64 architecture
+
 * Tue Oct 18 2022 Liu Zixian <liuzixian4@huawei.com> - 2.4.109-4
 - remove unused BuildRequires