diff --git a/xorg/xf86-video-intel/build b/xorg/xf86-video-intel/build
index 4492d7ac..f713c91a 100755
--- a/xorg/xf86-video-intel/build
+++ b/xorg/xf86-video-intel/build
@@ -1,5 +1,7 @@
 #!/bin/sh -e
 
+patch -p1 < fix-clang.patch
+
 export DESTDIR="$1"
 export LDFLAGS="$LDFLAGS -Wl,-z,lazy"
 
diff --git a/xorg/xf86-video-intel/checksums b/xorg/xf86-video-intel/checksums
index 9581cd02..43253f23 100644
--- a/xorg/xf86-video-intel/checksums
+++ b/xorg/xf86-video-intel/checksums
@@ -1 +1,2 @@
-f1ee7394446d38ef840d4327646421a3b744a7675955b6c29963a9887026c296  xf86-video-intel-846b53dacd96981329bcb9ef348e6acba0b53e94.tar.gz
+f1ee7394446d38ef840d4327646421a3b744a7675955b6c29963a9887026c296
+635e441d123efe501b8d7edbab811029a34f390b490d5f256b34223bb1fbe07e
diff --git a/xorg/xf86-video-intel/patches/fix-clang.patch b/xorg/xf86-video-intel/patches/fix-clang.patch
new file mode 100644
index 00000000..1744e9ad
--- /dev/null
+++ b/xorg/xf86-video-intel/patches/fix-clang.patch
@@ -0,0 +1,286 @@
+From a92ccaf05efe8f11b3c5cd217d48ad3cf4caa090 Mon Sep 17 00:00:00 2001
+From: Ethan Sommer <e5ten.arch@gmail.com>
+Date: Mon, 16 Dec 2019 15:23:10 -0500
+Subject: [PATCH] fix uninitialized variables causing segfaults when built with
+ clang
+
+fixes #171
+---
+ src/sna/kgem.c        | 22 +++++++++++-----------
+ src/sna/kgem_debug.c  |  4 ++--
+ src/sna/sna_damage.c  |  4 ++--
+ src/sna/sna_display.c | 18 +++++++++---------
+ src/sna/sna_dri3.c    |  2 +-
+ src/sna/sna_present.c |  4 ++--
+ 6 files changed, 27 insertions(+), 27 deletions(-)
+
+diff --git a/src/sna/kgem.c b/src/sna/kgem.c
+index 6a35067c..488cfa47 100644
+--- a/src/sna/kgem.c
++++ b/src/sna/kgem.c
+@@ -2846,7 +2846,7 @@ static bool kgem_bo_move_to_cache(struct kgem *kgem, struct kgem_bo *bo)
+ static struct kgem_bo *
+ search_snoop_cache(struct kgem *kgem, unsigned int num_pages, unsigned flags)
+ {
+-	struct kgem_bo *bo, *first = NULL;
++	struct kgem_bo *bo = NULL, *first = NULL;
+ 
+ 	DBG(("%s: num_pages=%d, flags=%x\n", __FUNCTION__, num_pages, flags));
+ 
+@@ -3112,7 +3112,7 @@ void kgem_retire__buffers(struct kgem *kgem)
+ 
+ static bool kgem_retire__flushing(struct kgem *kgem)
+ {
+-	struct kgem_bo *bo, *next;
++	struct kgem_bo *bo = NULL, *next;
+ 	bool retired = false;
+ 
+ 	list_for_each_entry_safe(bo, next, &kgem->flushing, request) {
+@@ -3410,7 +3410,7 @@ static void kgem_commit__check_reloc(struct kgem *kgem)
+ #ifndef NDEBUG
+ static void kgem_commit__check_buffers(struct kgem *kgem)
+ {
+-	struct kgem_buffer *bo;
++	struct kgem_buffer *bo = NULL;
+ 
+ 	list_for_each_entry(bo, &kgem->active_buffers, base.list)
+ 		assert(bo->base.exec == NULL);
+@@ -3422,7 +3422,7 @@ static void kgem_commit__check_buffers(struct kgem *kgem)
+ static void kgem_commit(struct kgem *kgem)
+ {
+ 	struct kgem_request *rq = kgem->next_request;
+-	struct kgem_bo *bo, *next;
++	struct kgem_bo *bo = NULL, *next;
+ 
+ 	kgem_commit__check_reloc(kgem);
+ 
+@@ -3536,7 +3536,7 @@ static void kgem_close_inactive(struct kgem *kgem)
+ 
+ static void kgem_finish_buffers(struct kgem *kgem)
+ {
+-	struct kgem_buffer *bo, *next;
++	struct kgem_buffer *bo = NULL, *next;
+ 
+ 	list_for_each_entry_safe(bo, next, &kgem->batch_buffers, base.list) {
+ 		DBG(("%s: buffer handle=%d, used=%d, exec?=%d, write=%d, mmapped=%s, refcnt=%d\n",
+@@ -3925,7 +3925,7 @@ static int compact_batch_surface(struct kgem *kgem, int *shrink)
+ 
+ static struct kgem_bo *first_available(struct kgem *kgem, struct list *list)
+ {
+-	struct kgem_bo *bo;
++	struct kgem_bo *bo = NULL;
+ 
+ 	list_for_each_entry(bo, list, list) {
+ 		assert(bo->refcnt > 0);
+@@ -4209,7 +4209,7 @@ void _kgem_submit(struct kgem *kgem)
+ 		       kgem->nreloc, kgem->nexec, kgem->nfence, kgem->aperture, kgem->aperture_fenced, kgem->aperture_high, kgem->aperture_total, -ret);
+ 
+ 		for (i = 0; i < kgem->nexec; i++) {
+-			struct kgem_bo *bo, *found = NULL;
++			struct kgem_bo *bo = NULL, *found = NULL;
+ 
+ 			list_for_each_entry(bo, &kgem->next_request->buffers, request) {
+ 				if (bo->handle == kgem->exec[i].handle) {
+@@ -4573,7 +4573,7 @@ bool kgem_cleanup_cache(struct kgem *kgem)
+ static struct kgem_bo *
+ search_linear_cache(struct kgem *kgem, unsigned int num_pages, unsigned flags)
+ {
+-	struct kgem_bo *bo, *first = NULL;
++	struct kgem_bo *bo = NULL, *first = NULL;
+ 	bool use_active = (flags & CREATE_INACTIVE) == 0;
+ 	struct list *cache;
+ 
+@@ -5377,7 +5377,7 @@ struct kgem_bo *kgem_create_2d(struct kgem *kgem,
+ 			       uint32_t flags)
+ {
+ 	struct list *cache;
+-	struct kgem_bo *bo;
++	struct kgem_bo *bo = NULL;
+ 	uint32_t pitch, tiled_height, size;
+ 	uint32_t handle;
+ 	int i, bucket, retry;
+@@ -7220,7 +7220,7 @@ void kgem_bo_sync__gtt(struct kgem *kgem, struct kgem_bo *bo)
+ void kgem_clear_dirty(struct kgem *kgem)
+ {
+ 	struct list * const buffers = &kgem->next_request->buffers;
+-	struct kgem_bo *bo;
++	struct kgem_bo *bo = NULL;
+ 
+ 	list_for_each_entry(bo, buffers, request) {
+ 		if (!bo->gpu_dirty)
+@@ -7500,7 +7500,7 @@ struct kgem_bo *kgem_create_buffer(struct kgem *kgem,
+ 				   uint32_t size, uint32_t flags,
+ 				   void **ret)
+ {
+-	struct kgem_buffer *bo;
++	struct kgem_buffer *bo = NULL;
+ 	unsigned offset, alloc;
+ 	struct kgem_bo *old;
+ 
+diff --git a/src/sna/kgem_debug.c b/src/sna/kgem_debug.c
+index d90e5439..e417a99a 100644
+--- a/src/sna/kgem_debug.c
++++ b/src/sna/kgem_debug.c
+@@ -56,7 +56,7 @@ struct kgem_bo *
+ kgem_debug_get_bo_for_reloc_entry(struct kgem *kgem,
+ 				  struct drm_i915_gem_relocation_entry *reloc)
+ {
+-	struct kgem_bo *bo;
++	struct kgem_bo *bo = NULL;
+ 
+ 	if (reloc == NULL)
+ 		return NULL;
+@@ -86,7 +86,7 @@ static int kgem_debug_handle_is_fenced(struct kgem *kgem, uint32_t handle)
+ 
+ static int kgem_debug_handle_tiling(struct kgem *kgem, uint32_t handle)
+ {
+-	struct kgem_bo *bo;
++	struct kgem_bo *bo = NULL;
+ 
+ 	list_for_each_entry(bo, &kgem->next_request->buffers, request)
+ 		if (bo->target_handle == handle)
+diff --git a/src/sna/sna_damage.c b/src/sna/sna_damage.c
+index 8824a10b..a51935a3 100644
+--- a/src/sna/sna_damage.c
++++ b/src/sna/sna_damage.c
+@@ -215,7 +215,7 @@ static void __sna_damage_reduce(struct sna_damage *damage)
+ 	int n, nboxes;
+ 	BoxPtr boxes, free_boxes = NULL;
+ 	pixman_region16_t *region = &damage->region;
+-	struct sna_damage_box *iter;
++	struct sna_damage_box *iter = NULL;
+ 
+ 	assert(damage->mode != DAMAGE_ALL);
+ 	assert(damage->dirty);
+@@ -1808,7 +1808,7 @@ void _sna_damage_debug_get_region(struct sna_damage *damage, RegionRec *r)
+ {
+ 	int n, nboxes;
+ 	BoxPtr boxes;
+-	struct sna_damage_box *iter;
++	struct sna_damage_box *iter = NULL;
+ 
+ 	RegionCopy(r, &damage->region);
+ 	if (!damage->dirty)
+diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c
+index 874292bc..ee38e1a6 100644
+--- a/src/sna/sna_display.c
++++ b/src/sna/sna_display.c
+@@ -467,7 +467,7 @@ static inline uint32_t fb_id(struct kgem_bo *bo)
+ 
+ unsigned sna_crtc_count_sprites(xf86CrtcPtr crtc)
+ {
+-	struct plane *sprite;
++	struct plane *sprite = NULL;
+ 	unsigned count;
+ 
+ 	count = 0;
+@@ -479,7 +479,7 @@ unsigned sna_crtc_count_sprites(xf86CrtcPtr crtc)
+ 
+ static struct plane *lookup_sprite(struct sna_crtc *crtc, unsigned idx)
+ {
+-	struct plane *sprite;
++	struct plane *sprite = NULL;
+ 
+ 	list_for_each_entry(sprite, &crtc->sprites, link)
+ 		if (idx-- == 0)
+@@ -1727,7 +1727,7 @@ static bool wait_for_shadow(struct sna *sna,
+ 
+ 	if ((flags & MOVE_WRITE) == 0) {
+ 		if ((flags & __MOVE_SCANOUT) == 0) {
+-			struct sna_crtc *crtc;
++			struct sna_crtc *crtc = NULL;
+ 
+ 			list_for_each_entry(crtc, &sna->mode.shadow_crtc, shadow_link) {
+ 				if (overlap(&sna->mode.shadow_region.extents,
+@@ -1768,7 +1768,7 @@ static bool wait_for_shadow(struct sna *sna,
+ 
+ 	flip_active = sna->mode.flip_active;
+ 	if (flip_active) {
+-		struct sna_crtc *crtc;
++		struct sna_crtc *crtc = NULL;
+ 		list_for_each_entry(crtc, &sna->mode.shadow_crtc, shadow_link)
+ 			flip_active -= crtc->flip_pending;
+ 		DBG(("%s: %d flips still pending, shadow flip_active=%d\n",
+@@ -3263,7 +3263,7 @@ static void
+ sna_crtc_destroy(xf86CrtcPtr crtc)
+ {
+ 	struct sna_crtc *sna_crtc = to_sna_crtc(crtc);
+-	struct plane *sprite, *sn;
++	struct plane *sprite = NULL, *sn;
+ 
+ 	if (sna_crtc == NULL)
+ 		return;
+@@ -3652,7 +3652,7 @@ bool sna_has_sprite_format(struct sna *sna, uint32_t format)
+ 
+ 	for (i = 0; i < sna->mode.num_real_crtc; i++) {
+ 		struct sna_crtc *sna_crtc = to_sna_crtc(config->crtc[i]);
+-		struct plane *plane;
++		struct plane *plane = NULL;
+ 
+ 		list_for_each_entry(plane, &sna_crtc->sprites, link) {
+ 			struct local_mode_get_plane p;
+@@ -8639,7 +8639,7 @@ sna_mode_disable_secondary_planes(struct sna *sna)
+ 	for (c = 0; c < sna->mode.num_real_crtc; c++) {
+ 		xf86CrtcPtr crtc = config->crtc[c];
+ 		struct sna_crtc *sna_crtc = to_sna_crtc(crtc);
+-		struct plane *plane;
++		struct plane *plane = NULL;
+ 
+ 		list_for_each_entry(plane, &sna_crtc->sprites, link) {
+ 			struct local_mode_get_plane p;
+@@ -8737,7 +8737,7 @@ static bool
+ sna_crtc_hide_planes(struct sna *sna, struct sna_crtc *crtc)
+ {
+ 	struct local_mode_set_plane s;
+-	struct plane *plane;
++	struct plane *plane = NULL;
+ 
+ 	if (crtc->primary.id == 0)
+ 		return false;
+@@ -8774,7 +8774,7 @@ void sna_mode_reset(struct sna *sna)
+ 
+ 	for (i = 0; i < sna->mode.num_real_crtc; i++) {
+ 		struct sna_crtc *sna_crtc = to_sna_crtc(config->crtc[i]);
+-		struct plane *plane;
++		struct plane *plane = NULL;
+ 
+ 		assert(sna_crtc != NULL);
+ 
+diff --git a/src/sna/sna_dri3.c b/src/sna/sna_dri3.c
+index ce4970ae..c5a7c820 100644
+--- a/src/sna/sna_dri3.c
++++ b/src/sna/sna_dri3.c
+@@ -175,7 +175,7 @@ static PixmapPtr sna_dri3_pixmap_from_fd(ScreenPtr screen,
+ {
+ 	struct sna *sna = to_sna_from_screen(screen);
+ 	PixmapPtr pixmap;
+-	struct sna_pixmap *priv;
++	struct sna_pixmap *priv = NULL;
+ 	struct kgem_bo *bo;
+ 
+ 	DBG(("%s(fd=%d, width=%d, height=%d, stride=%d, depth=%d, bpp=%d)\n",
+diff --git a/src/sna/sna_present.c b/src/sna/sna_present.c
+index 6bb7b927..7309871b 100644
+--- a/src/sna/sna_present.c
++++ b/src/sna/sna_present.c
+@@ -376,7 +376,7 @@ sna_present_get_crtc(WindowPtr window)
+ static void add_keepalive(struct sna *sna, xf86CrtcPtr crtc, uint64_t msc)
+ {
+ 	struct list *q = sna_crtc_vblank_queue(crtc);
+-	struct sna_present_event *info, *tmp;
++	struct sna_present_event *info, *tmp = NULL;
+ 	union drm_wait_vblank vbl;
+ 
+ 	list_for_each_entry(tmp, q, link) {
+@@ -480,7 +480,7 @@ static int
+ sna_present_queue_vblank(RRCrtcPtr crtc, uint64_t event_id, uint64_t msc)
+ {
+ 	struct sna *sna = to_sna_from_screen(crtc->pScreen);
+-	struct sna_present_event *info, *tmp;
++	struct sna_present_event *info, *tmp = NULL;
+ 	const struct ust_msc *swap;
+ 	struct list *q;
+ 
+-- 
+GitLab
+
diff --git a/xorg/xf86-video-intel/sources b/xorg/xf86-video-intel/sources
index 945f5275..d254a40f 100644
--- a/xorg/xf86-video-intel/sources
+++ b/xorg/xf86-video-intel/sources
@@ -1 +1,2 @@
 https://gitlab.freedesktop.org/xorg/driver/xf86-video-intel/-/archive/846b53dacd96981329bcb9ef348e6acba0b53e94/xf86-video-intel-846b53dacd96981329bcb9ef348e6acba0b53e94.tar.gz
+patches/fix-clang.patch