From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: linux-kernel@vger.kernel.org, greg@kroah.com
Subject: [PATCH 19/29] gma500: Move our other GEM helper into the bits want to push into GEM
Date: Tue, 28 Jun 2011 23:07:37 +0100 [thread overview]
Message-ID: <20110628220728.898.68440.stgit@bob.linux.org.uk> (raw)
In-Reply-To: <20110628220151.898.15775.stgit@bob.linux.org.uk>
From: Alan Cox <alan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
---
drivers/staging/gma500/gem_glue.c | 54 ++++++++++++++++++++++++++++++++++++
drivers/staging/gma500/gem_glue.h | 2 +
drivers/staging/gma500/psb_gem.c | 56 +------------------------------------
3 files changed, 56 insertions(+), 56 deletions(-)
diff --git a/drivers/staging/gma500/gem_glue.c b/drivers/staging/gma500/gem_glue.c
index 0817497..0e7364b 100644
--- a/drivers/staging/gma500/gem_glue.c
+++ b/drivers/staging/gma500/gem_glue.c
@@ -45,3 +45,57 @@ void drm_gem_object_release_wrap(struct drm_gem_object *obj)
if (obj->filp)
drm_gem_object_release(obj);
}
+
+/**
+ * gem_create_mmap_offset - invent an mmap offset
+ * @obj: our object
+ *
+ * Standard implementation of offset generation for mmap as is
+ * duplicated in several drivers. This belongs in GEM.
+ */
+int gem_create_mmap_offset(struct drm_gem_object *obj)
+{
+ struct drm_device *dev = obj->dev;
+ struct drm_gem_mm *mm = dev->mm_private;
+ struct drm_map_list *list;
+ struct drm_local_map *map;
+ int ret;
+
+ list = &obj->map_list;
+ list->map = kzalloc(sizeof(struct drm_map_list), GFP_KERNEL);
+ if (list->map == NULL)
+ return -ENOMEM;
+ map = list->map;
+ map->type = _DRM_GEM;
+ map->size = obj->size;
+ map->handle = obj;
+
+ list->file_offset_node = drm_mm_search_free(&mm->offset_manager,
+ obj->size / PAGE_SIZE, 0, 0);
+ if (!list->file_offset_node) {
+ dev_err(dev->dev, "failed to allocate offset for bo %d\n",
+ obj->name);
+ ret = -ENOSPC;
+ goto free_it;
+ }
+ list->file_offset_node = drm_mm_get_block(list->file_offset_node,
+ obj->size / PAGE_SIZE, 0);
+ if (!list->file_offset_node) {
+ ret = -ENOMEM;
+ goto free_it;
+ }
+ list->hash.key = list->file_offset_node->start;
+ ret = drm_ht_insert_item(&mm->offset_hash, &list->hash);
+ if (ret) {
+ dev_err(dev->dev, "failed to add to map hash\n");
+ goto free_mm;
+ }
+ return 0;
+
+free_mm:
+ drm_mm_put_block(list->file_offset_node);
+free_it:
+ kfree(list->map);
+ list->map = NULL;
+ return ret;
+}
diff --git a/drivers/staging/gma500/gem_glue.h b/drivers/staging/gma500/gem_glue.h
index c38285b..a0f2bc4 100644
--- a/drivers/staging/gma500/gem_glue.h
+++ b/drivers/staging/gma500/gem_glue.h
@@ -1,4 +1,4 @@
extern void drm_gem_object_release_wrap(struct drm_gem_object *obj);
extern int drm_gem_private_object_init(struct drm_device *dev,
struct drm_gem_object *obj, size_t size);
-
+extern int gem_create_mmap_offset(struct drm_gem_object *obj);
diff --git a/drivers/staging/gma500/psb_gem.c b/drivers/staging/gma500/psb_gem.c
index 3f658e4..1e7faae 100644
--- a/drivers/staging/gma500/psb_gem.c
+++ b/drivers/staging/gma500/psb_gem.c
@@ -61,60 +61,6 @@ int psb_gem_get_aperture(struct drm_device *dev, void *data,
}
/**
- * psb_gem_create_mmap_offset - invent an mmap offset
- * @obj: our object
- *
- * This is basically doing by hand a pile of ugly crap which should
- * be done automatically by the GEM library code but isn't
- */
-static int psb_gem_create_mmap_offset(struct drm_gem_object *obj)
-{
- struct drm_device *dev = obj->dev;
- struct drm_gem_mm *mm = dev->mm_private;
- struct drm_map_list *list;
- struct drm_local_map *map;
- int ret;
-
- list = &obj->map_list;
- list->map = kzalloc(sizeof(struct drm_map_list), GFP_KERNEL);
- if (list->map == NULL)
- return -ENOMEM;
- map = list->map;
- map->type = _DRM_GEM;
- map->size = obj->size;
- map->handle = obj;
-
- list->file_offset_node = drm_mm_search_free(&mm->offset_manager,
- obj->size / PAGE_SIZE, 0, 0);
- if (!list->file_offset_node) {
- dev_err(dev->dev, "failed to allocate offset for bo %d\n",
- obj->name);
- ret = -ENOSPC;
- goto free_it;
- }
- list->file_offset_node = drm_mm_get_block(list->file_offset_node,
- obj->size / PAGE_SIZE, 0);
- if (!list->file_offset_node) {
- ret = -ENOMEM;
- goto free_it;
- }
- list->hash.key = list->file_offset_node->start;
- ret = drm_ht_insert_item(&mm->offset_hash, &list->hash);
- if (ret) {
- dev_err(dev->dev, "failed to add to map hash\n");
- goto free_mm;
- }
- return 0;
-
-free_mm:
- drm_mm_put_block(list->file_offset_node);
-free_it:
- kfree(list->map);
- list->map = NULL;
- return ret;
-}
-
-/**
* psb_gem_dumb_map_gtt - buffer mapping for dumb interface
* @file: our drm client file
* @dev: drm device
@@ -144,7 +90,7 @@ int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
/* Make it mmapable */
if (!obj->map_list.map) {
- ret = psb_gem_create_mmap_offset(obj);
+ ret = gem_create_mmap_offset(obj);
if (ret)
goto out;
}
next prev parent reply other threads:[~2011-06-28 22:08 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-28 22:02 [PATCH 00/29] GMA500 updates Alan Cox
2011-06-28 22:03 ` [PATCH 01/29] gma500: fix warnings Alan Cox
2011-06-28 22:03 ` [PATCH 02/29] gma500: Make GTT pages uncached Alan Cox
2011-06-28 22:03 ` [PATCH 03/29] gma500: Ensure the frame buffer has a linear virtual mapping Alan Cox
2011-06-28 22:03 ` [PATCH 04/29] gma500: Set the correct bits according to the pipe Alan Cox
2011-06-28 22:04 ` [PATCH 05/29] gma500: Fix uninitialized variable and style issues Alan Cox
2011-06-28 22:04 ` [PATCH 06/29] gma500: revamp frame buffer creation and handling Alan Cox
2011-06-29 16:38 ` Jesse Barnes
2011-06-29 18:44 ` Alan Cox
2011-06-28 22:04 ` [PATCH 07/29] gma500: Do sane FB cleanup Alan Cox
2011-06-28 22:04 ` [PATCH 08/29] gma500: trim some of the debug Alan Cox
2011-06-28 22:05 ` [PATCH 09/29] gma500: polish for completion of this phase Alan Cox
2011-06-28 22:05 ` [PATCH 10/29] gma500: 2D acceleration tidying Alan Cox
2011-06-28 22:05 ` [PATCH 11/29] gma500: nuke the last bits of TTM code Alan Cox
2011-06-28 22:05 ` [PATCH 12/29] gma500: nuke the PSB debug stuff Alan Cox
2011-06-28 22:06 ` [PATCH 13/29] gma500: Kill spare kref Alan Cox
2011-06-28 22:06 ` [PATCH 14/29] gma500: GEM glue Alan Cox
2011-06-28 22:06 ` [PATCH 15/29] gma500: Use the GEM tweaks to provide a GEM frame buffer Alan Cox
2011-06-28 22:06 ` [PATCH 16/29] gma500: CodingStyle pass Alan Cox
2011-06-28 22:07 ` [PATCH 17/29] gma500: 2D polish Alan Cox
2011-06-28 22:07 ` [PATCH 18/29] gma500: Medfield support Alan Cox
2011-06-28 22:07 ` Alan Cox [this message]
2011-06-28 22:07 ` [PATCH 20/29] gma500: Extract BIOSisy stuff from psb_drv Alan Cox
2011-06-28 22:08 ` [PATCH 21/29] gma500: psb_fb tidy/cleanup pass Alan Cox
2011-06-28 22:08 ` [PATCH 22/29] gma500: Only fiddle with clock gating on PSB Alan Cox
2011-06-28 22:08 ` [PATCH 23/29] gma500: being abstracting out devices a bit more Alan Cox
2011-06-28 22:08 ` [PATCH 24/29] gma500: continue abstracting platform specific code Alan Cox
2011-06-28 22:08 ` [PATCH 25/29] gma500: Fix early Medfield crash Alan Cox
2011-06-28 22:09 ` [PATCH 26/29] gma500: Read the GCT panel type information for Medfield Alan Cox
2011-06-28 22:09 ` [PATCH 27/29] gma500: enable Medfield CRTC support Alan Cox
2011-06-28 22:09 ` [PATCH 28/29] gma500: drivers/staging/gma501/psb_intel_display.c: fix build Alan Cox
2011-06-28 22:09 ` [PATCH 29/29] gma500: fix build without backlight device support Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2011-06-16 16:05 [PATCH 00/29] gma500: pending patches versus next 20110616 Alan Cox
2011-06-16 16:40 ` [PATCH 19/29] gma500: Move our other GEM helper into the bits want to push into GEM Alan Cox
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