--- zzzz-none-000/linux-3.10.107/drivers/gpu/drm/omapdrm/omap_gem.c 2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/gpu/drm/omapdrm/omap_gem.c 2021-02-04 17:41:59.000000000 +0000
@@ -17,9 +17,10 @@
* this program. If not, see .
*/
-
-#include
#include
+#include
+
+#include
#include "omap_drv.h"
#include "omap_dmm_tiler.h"
@@ -152,24 +153,24 @@
static void evict_entry(struct drm_gem_object *obj,
enum tiler_fmt fmt, struct usergart_entry *entry)
{
- if (obj->dev->dev_mapping) {
- struct omap_gem_object *omap_obj = to_omap_bo(obj);
- int n = usergart[fmt].height;
- size_t size = PAGE_SIZE * n;
- loff_t off = mmap_offset(obj) +
- (entry->obj_pgoff << PAGE_SHIFT);
- const int m = 1 + ((omap_obj->width << fmt) / PAGE_SIZE);
- if (m > 1) {
- int i;
- /* if stride > than PAGE_SIZE then sparse mapping: */
- for (i = n; i > 0; i--) {
- unmap_mapping_range(obj->dev->dev_mapping,
- off, PAGE_SIZE, 1);
- off += PAGE_SIZE * m;
- }
- } else {
- unmap_mapping_range(obj->dev->dev_mapping, off, size, 1);
+ struct omap_gem_object *omap_obj = to_omap_bo(obj);
+ int n = usergart[fmt].height;
+ size_t size = PAGE_SIZE * n;
+ loff_t off = mmap_offset(obj) +
+ (entry->obj_pgoff << PAGE_SHIFT);
+ const int m = 1 + ((omap_obj->width << fmt) / PAGE_SIZE);
+
+ if (m > 1) {
+ int i;
+ /* if stride > than PAGE_SIZE then sparse mapping: */
+ for (i = n; i > 0; i--) {
+ unmap_mapping_range(obj->dev->anon_inode->i_mapping,
+ off, PAGE_SIZE, 1);
+ off += PAGE_SIZE * m;
}
+ } else {
+ unmap_mapping_range(obj->dev->anon_inode->i_mapping,
+ off, size, 1);
}
entry->obj = NULL;
@@ -232,11 +233,7 @@
WARN_ON(omap_obj->pages);
- /* TODO: __GFP_DMA32 .. but somehow GFP_HIGHMEM is coming from the
- * mapping_gfp_mask(mapping) which conflicts w/ GFP_DMA32.. probably
- * we actually want CMA memory for it all anyways..
- */
- pages = _drm_gem_get_pages(obj, GFP_KERNEL);
+ pages = drm_gem_get_pages(obj);
if (IS_ERR(pages)) {
dev_err(obj->dev->dev, "could not get pages: %ld\n", PTR_ERR(pages));
return PTR_ERR(pages);
@@ -270,7 +267,7 @@
return 0;
free_pages:
- _drm_gem_put_pages(obj, pages, true, false);
+ drm_gem_put_pages(obj, pages, true, false);
return ret;
}
@@ -294,7 +291,7 @@
kfree(omap_obj->addrs);
omap_obj->addrs = NULL;
- _drm_gem_put_pages(obj, omap_obj->pages, true, false);
+ drm_gem_put_pages(obj, omap_obj->pages, true, false);
omap_obj->pages = NULL;
}
@@ -308,21 +305,20 @@
static uint64_t mmap_offset(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
+ int ret;
+ size_t size;
WARN_ON(!mutex_is_locked(&dev->struct_mutex));
- if (!obj->map_list.map) {
- /* Make it mmapable */
- size_t size = omap_gem_mmap_size(obj);
- int ret = _drm_gem_create_mmap_offset_size(obj, size);
-
- if (ret) {
- dev_err(dev->dev, "could not allocate mmap offset\n");
- return 0;
- }
+ /* Make it mmapable */
+ size = omap_gem_mmap_size(obj);
+ ret = drm_gem_create_mmap_offset_size(obj, size);
+ if (ret) {
+ dev_err(dev->dev, "could not allocate mmap offset\n");
+ return 0;
}
- return (uint64_t)obj->map_list.hash.key << PAGE_SHIFT;
+ return drm_vma_node_offset_addr(&obj->vma_node);
}
uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj)
@@ -616,8 +612,7 @@
{
union omap_gem_size gsize;
- /* in case someone tries to feed us a completely bogus stride: */
- args->pitch = align_pitch(args->pitch, args->width, args->bpp);
+ args->pitch = align_pitch(0, args->width, args->bpp);
args->size = PAGE_ALIGN(args->pitch * args->height);
gsize = (union omap_gem_size){
@@ -629,21 +624,6 @@
}
/**
- * omap_gem_dumb_destroy - destroy a dumb buffer
- * @file: client file
- * @dev: our DRM device
- * @handle: the object handle
- *
- * Destroy a handle that was created via omap_gem_dumb_create.
- */
-int omap_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
- uint32_t handle)
-{
- /* No special work needed, drop the reference and see what falls out */
- return drm_gem_handle_delete(file, handle);
-}
-
-/**
* omap_gem_dumb_map - buffer mapping for dumb interface
* @file: our drm client file
* @dev: drm device
@@ -828,10 +808,10 @@
/* Release physical address, when DMA is no longer being performed.. this
* could potentially unpin and unmap buffers from TILER
*/
-int omap_gem_put_paddr(struct drm_gem_object *obj)
+void omap_gem_put_paddr(struct drm_gem_object *obj)
{
struct omap_gem_object *omap_obj = to_omap_bo(obj);
- int ret = 0;
+ int ret;
mutex_lock(&obj->dev->struct_mutex);
if (omap_obj->paddr_cnt > 0) {
@@ -841,19 +821,18 @@
if (ret) {
dev_err(obj->dev->dev,
"could not unpin pages: %d\n", ret);
- goto fail;
}
ret = tiler_release(omap_obj->block);
if (ret) {
dev_err(obj->dev->dev,
"could not release unmap: %d\n", ret);
}
+ omap_obj->paddr = 0;
omap_obj->block = NULL;
}
}
-fail:
+
mutex_unlock(&obj->dev->struct_mutex);
- return ret;
}
/* Get rotated scanout address (only valid if already pinned), at the
@@ -995,14 +974,10 @@
#ifdef CONFIG_DEBUG_FS
void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m)
{
- struct drm_device *dev = obj->dev;
struct omap_gem_object *omap_obj = to_omap_bo(obj);
- uint64_t off = 0;
-
- WARN_ON(!mutex_is_locked(&dev->struct_mutex));
+ uint64_t off;
- if (obj->map_list.map)
- off = (uint64_t)obj->map_list.hash.key;
+ off = drm_vma_node_start(&obj->vma_node);
seq_printf(m, "%08x: %2d (%2d) %08llx %pad (%2d) %p %4d",
omap_obj->flags, obj->name, obj->refcount.refcount.counter,
@@ -1066,10 +1041,10 @@
{
struct omap_gem_object *omap_obj = waiter->omap_obj;
if ((waiter->op & OMAP_GEM_READ) &&
- (omap_obj->sync->read_complete < waiter->read_target))
+ (omap_obj->sync->write_complete < waiter->write_target))
return true;
if ((waiter->op & OMAP_GEM_WRITE) &&
- (omap_obj->sync->write_complete < waiter->write_target))
+ (omap_obj->sync->read_complete < waiter->read_target))
return true;
return false;
}
@@ -1202,9 +1177,7 @@
}
}
spin_unlock(&sync_lock);
-
- if (waiter)
- kfree(waiter);
+ kfree(waiter);
}
return ret;
}
@@ -1245,6 +1218,8 @@
}
spin_unlock(&sync_lock);
+
+ kfree(waiter);
}
/* no waiting.. */
@@ -1290,27 +1265,24 @@
return ret;
}
-int omap_gem_init_object(struct drm_gem_object *obj)
-{
- return -EINVAL; /* unused */
-}
-
/* don't call directly.. called from GEM core when it is time to actually
* free the object..
*/
void omap_gem_free_object(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
+ struct omap_drm_private *priv = dev->dev_private;
struct omap_gem_object *omap_obj = to_omap_bo(obj);
evict(obj);
WARN_ON(!mutex_is_locked(&dev->struct_mutex));
+ spin_lock(&priv->list_lock);
list_del(&omap_obj->mm_list);
+ spin_unlock(&priv->list_lock);
- if (obj->map_list.map)
- drm_gem_free_mmap_offset(obj);
+ drm_gem_free_mmap_offset(obj);
/* this means the object is still pinned.. which really should
* not happen. I think..
@@ -1370,6 +1342,7 @@
struct omap_drm_private *priv = dev->dev_private;
struct omap_gem_object *omap_obj;
struct drm_gem_object *obj = NULL;
+ struct address_space *mapping;
size_t size;
int ret;
@@ -1387,8 +1360,8 @@
/* currently don't allow cached buffers.. there is some caching
* stuff that needs to be handled better
*/
- flags &= ~(OMAP_BO_CACHED|OMAP_BO_UNCACHED);
- flags |= OMAP_BO_WC;
+ flags &= ~(OMAP_BO_CACHED|OMAP_BO_WC|OMAP_BO_UNCACHED);
+ flags |= tiler_get_cpu_cache_flags();
/* align dimensions to slot boundaries... */
tiler_align(gem2fmt(flags),
@@ -1403,9 +1376,7 @@
omap_obj = kzalloc(sizeof(*omap_obj), GFP_KERNEL);
if (!omap_obj)
- goto fail;
-
- list_add(&omap_obj->mm_list, &priv->obj_list);
+ return NULL;
obj = &omap_obj->base;
@@ -1415,11 +1386,19 @@
*/
omap_obj->vaddr = dma_alloc_writecombine(dev->dev, size,
&omap_obj->paddr, GFP_KERNEL);
- if (omap_obj->vaddr)
- flags |= OMAP_BO_DMA;
+ if (!omap_obj->vaddr) {
+ kfree(omap_obj);
+ return NULL;
+ }
+
+ flags |= OMAP_BO_DMA;
}
+ spin_lock(&priv->list_lock);
+ list_add(&omap_obj->mm_list, &priv->obj_list);
+ spin_unlock(&priv->list_lock);
+
omap_obj->flags = flags;
if (flags & OMAP_BO_TILED) {
@@ -1427,13 +1406,16 @@
omap_obj->height = gsize.tiled.height;
}
- if (flags & (OMAP_BO_DMA|OMAP_BO_EXT_MEM))
- ret = drm_gem_private_object_init(dev, obj, size);
- else
+ if (flags & (OMAP_BO_DMA|OMAP_BO_EXT_MEM)) {
+ drm_gem_private_object_init(dev, obj, size);
+ } else {
ret = drm_gem_object_init(dev, obj, size);
+ if (ret)
+ goto fail;
- if (ret)
- goto fail;
+ mapping = file_inode(obj->filp)->i_mapping;
+ mapping_set_gfp_mask(mapping, GFP_USER | __GFP_DMA32);
+ }
return obj;