[bug#51947] [PATCH core-updates-frozen 2/2] gnu: xf86-video-nouveau: Use upstream patch for xorg-server 21.1.

[Josselin Poiret]

* gnu/packages/xorg.scm (xf86-video-nouveau): Use patch.
* gnu/packages/patches/xf86-video-nouveau-fixup-ABI.patch: Add it.
---
 .../xf86-video-nouveau-fixup-ABI.patch        | 64 +++++++++++++++++++
 gnu/packages/xorg.scm                         |  3 +-
 2 files changed, 66 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/xf86-video-nouveau-fixup-ABI.patch

diff --git a/gnu/packages/patches/xf86-video-nouveau-fixup-ABI.patch 
b/gnu/packages/patches/xf86-video-nouveau-fixup-ABI.patch
new file mode 100644
index 0000000000..a18e3f8ab9
--- /dev/null
+++ b/gnu/packages/patches/xf86-video-nouveau-fixup-ABI.patch
@@ -0,0 +1,64 @@
+From e80e73ced69b15662103d0fd6837db4ce6c6eb5b Mon Sep 17 00:00:00 2001
+From: Dave Airlie <airlied@redhat.com>
+Date: Mon, 13 Jul 2020 09:20:15 +1000
+Subject: [PATCH] nouveau: fixup driver for new X server ABI
+
+---
+ src/compat-api.h  | 4 ++++
+ src/nouveau_exa.c | 2 +-
+ src/nv_driver.c   | 6 +++---
+ 3 files changed, 8 insertions(+), 4 deletions(-)
+
+diff --git a/src/compat-api.h b/src/compat-api.h
+index fde2f4b..8a1fcf9 100644
+--- a/src/compat-api.h
++++ b/src/compat-api.h
+@@ -102,4 +102,8 @@
+ 
+ #endif
+ 
++#if ABI_VIDEODRV_VERSION < SET_ABI_VERSION(25, 2)
++#define secondary_dst slave_dst
++#endif
++
+ #endif
+diff --git a/src/nouveau_exa.c b/src/nouveau_exa.c
+index 55df6f8..db3b112 100644
+--- a/src/nouveau_exa.c
++++ b/src/nouveau_exa.c
+@@ -157,7 +157,7 @@ nouveau_exa_destroy_pixmap(ScreenPtr pScreen, void *priv)
+ 
+ #ifdef NOUVEAU_PIXMAP_SHARING
+ static Bool
+-nouveau_exa_share_pixmap_backing(PixmapPtr ppix, ScreenPtr slave, void 
**handle_p)
++nouveau_exa_share_pixmap_backing(PixmapPtr ppix, ScreenPtr secondary, void 
**handle_p)
+ {
+       struct nouveau_bo *bo = nouveau_pixmap_bo(ppix);
+       struct nouveau_pixmap *nvpix = nouveau_pixmap(ppix);
+diff --git a/src/nv_driver.c b/src/nv_driver.c
+index e72a6b6..f9ab4af 100644
+--- a/src/nv_driver.c
++++ b/src/nv_driver.c
+@@ -559,16 +559,16 @@ redisplay_dirty(ScreenPtr screen, PixmapDirtyUpdatePtr 
dirty)
+ {
+       RegionRec pixregion;
+ 
+-      PixmapRegionInit(&pixregion, dirty->slave_dst);
++      PixmapRegionInit(&pixregion, dirty->secondary_dst);
+ 
+-      DamageRegionAppend(&dirty->slave_dst->drawable, &pixregion);
++      DamageRegionAppend(&dirty->secondary_dst->drawable, &pixregion);
+ #ifdef HAS_DIRTYTRACKING_ROTATION
+       PixmapSyncDirtyHelper(dirty);
+ #else
+       PixmapSyncDirtyHelper(dirty, &pixregion);
+ #endif
+ 
+-      DamageRegionProcessPending(&dirty->slave_dst->drawable);
++      DamageRegionProcessPending(&dirty->secondary_dst->drawable);
+       RegionUninit(&pixregion);
+ }
+ 
+-- 
+2.33.1
+
diff --git a/gnu/packages/xorg.scm b/gnu/packages/xorg.scm
index 2740d34deb..8a6e2951f9 100644
--- a/gnu/packages/xorg.scm
+++ b/gnu/packages/xorg.scm
@@ -3240,7 +3240,8 @@ (define-public xf86-video-nouveau
        (uri (string-append 
"mirror://xorg/individual/driver/xf86-video-nouveau-"
                            version ".tar.bz2"))
        (sha256
-        (base32 "0sqm1jwjg15sp8v7039y2hsbhph8gpjd2bdzcqqiij2mgbi254s9"))))
+        (base32 "0sqm1jwjg15sp8v7039y2hsbhph8gpjd2bdzcqqiij2mgbi254s9"))
+       (patches (search-patches "xf86-video-nouveau-fixup-ABI.patch"))))
     (build-system gnu-build-system)
     (inputs `(("xorg-server" ,xorg-server)))
     (native-inputs `(("pkg-config" ,pkg-config)))
-- 
2.33.1