From: jsg <jsg@openbsd.org>
Date: Sat, 11 Apr 2015 04:36:10 +0000 (+0000)
Subject: change back to drm_free_large/drm_malloc_ab
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=e5d003c248be100cc16c34100fd834f2a5072367;p=openbsd

change back to drm_free_large/drm_malloc_ab
---

diff --git a/sys/dev/pci/drm/drmP.h b/sys/dev/pci/drm/drmP.h
index 129b3c01fb8..c36d8a9843a 100644
--- a/sys/dev/pci/drm/drmP.h
+++ b/sys/dev/pci/drm/drmP.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: drmP.h,v 1.190 2015/04/10 12:06:52 jsg Exp $ */
+/* $OpenBSD: drmP.h,v 1.191 2015/04/11 04:36:10 jsg Exp $ */
 /* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
  * Created: Mon Jan  4 10:05:05 1999 by faith@precisioninsight.com
  */
@@ -678,6 +678,8 @@ void	*drm_calloc(size_t, size_t);
 void	*drm_realloc(void *, size_t, size_t);
 void	 drm_free(void *);
 
+#include "drm_mem_util.h"
+
 /* XXX until we get PAT support */
 #define drm_core_ioremap_wc drm_core_ioremap
 void	drm_core_ioremap(struct drm_local_map *, struct drm_device *);
diff --git a/sys/dev/pci/drm/drm_mem_util.h b/sys/dev/pci/drm/drm_mem_util.h
index ead94b188a2..f9582b54144 100644
--- a/sys/dev/pci/drm/drm_mem_util.h
+++ b/sys/dev/pci/drm/drm_mem_util.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: drm_mem_util.h,v 1.2 2014/07/12 18:48:52 tedu Exp $	*/
+/*	$OpenBSD: drm_mem_util.h,v 1.3 2015/04/11 04:36:10 jsg Exp $	*/
 /*
  * Copyright © 2008 Intel Corporation
  *
@@ -49,14 +49,13 @@ static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
 /* Modeled after cairo's malloc_ab, it's like calloc but without the zeroing. */
 static __inline__ void *drm_malloc_ab(size_t nmemb, size_t size)
 {
-	printf("%s stub\n", __func__);
-	return NULL;
+	return (mallocarray(nmemb, size, M_DRM, M_WAITOK | M_CANFAIL));
 #ifdef notyet
 	if (size != 0 && nmemb > SIZE_MAX / size)
 		return NULL;
 
 	if (size * nmemb <= PAGE_SIZE)
-	    return malloc(nmemb * size, M_DRM, M_WAITOK);
+	    return kmalloc(nmemb * size, GFP_KERNEL);
 
 	return __vmalloc(size * nmemb,
 			 GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL);
diff --git a/sys/dev/pci/drm/i915/i915_gem_execbuffer.c b/sys/dev/pci/drm/i915/i915_gem_execbuffer.c
index 0b4f56765ed..0123ae7a7ba 100644
--- a/sys/dev/pci/drm/i915/i915_gem_execbuffer.c
+++ b/sys/dev/pci/drm/i915/i915_gem_execbuffer.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: i915_gem_execbuffer.c,v 1.36 2015/04/05 11:53:53 kettenis Exp $	*/
+/*	$OpenBSD: i915_gem_execbuffer.c,v 1.37 2015/04/11 04:36:10 jsg Exp $	*/
 /*
  * Copyright (c) 2008-2009 Owain G. Ainsworth <oga@openbsd.org>
  *
@@ -542,12 +542,11 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
 	for (i = 0; i < count; i++)
 		total += exec[i].relocation_count;
 
-	reloc_offset = mallocarray(count, sizeof(*reloc_offset), M_DRM,
-	    M_WAITOK);
-	reloc = mallocarray(total, sizeof(*reloc), M_DRM, M_WAITOK);
+	reloc_offset = drm_malloc_ab(count, sizeof(*reloc_offset));
+	reloc = drm_malloc_ab(total, sizeof(*reloc));
 	if (reloc == NULL || reloc_offset == NULL) {
-		drm_free(reloc);
-		drm_free(reloc_offset);
+		drm_free_large(reloc);
+		drm_free_large(reloc_offset);
 		mutex_lock(&dev->struct_mutex);
 		return -ENOMEM;
 	}
@@ -633,8 +632,8 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
 	 */
 
 err:
-	drm_free(reloc);
-	drm_free(reloc_offset);
+	drm_free_large(reloc);
+	drm_free_large(reloc_offset);
 	return ret;
 }
 
@@ -1225,6 +1224,9 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
 
 	exec2_list = kmalloc(sizeof(*exec2_list)*args->buffer_count,
 			     GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY);
+	if (exec2_list == NULL)
+		exec2_list = drm_malloc_ab(sizeof(*exec2_list),
+					   args->buffer_count);
 	if (exec2_list == NULL) {
 		DRM_DEBUG("Failed to allocate exec list for %d buffers\n",
 			  args->buffer_count);
@@ -1237,7 +1239,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
 	if (ret != 0) {
 		DRM_DEBUG("copy %d exec entries failed %d\n",
 			  args->buffer_count, ret);
-		drm_free(exec2_list);
+		drm_free_large(exec2_list);
 		return -EFAULT;
 	}
 
@@ -1255,7 +1257,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
 		}
 	}
 
-	drm_free(exec2_list);
+	drm_free_large(exec2_list);
 	return ret;
 }