xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/ttm: isolate dma data from ttm_tt V4

Browse Source 
Move dma data to a superset ttm_dma_tt structure which herit
from ttm_tt. This allow driver that don't use dma functionalities
to not have to waste memory for it.

V2 Rebase on top of no memory account changes (where/when is my
   delorean when i need it ?)
V3 Make sure page list is initialized empty
V4 typo/syntax fixes

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Jerome Glisse
2011-11-09 17:15:26 -05:00
committed by Dave Airlie
parent 3230cfc34f
commit 8e7e70522d
9 changed files with 203 additions and 156 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
View File

@@ -168,6 +168,7 @@ static void vmw_ttm_destroy(struct ttm_tt *ttm)
{
struct vmw_ttm_tt *vmw_be = container_of(ttm, struct vmw_ttm_tt, ttm);
ttm_tt_fini(ttm);
kfree(vmw_be);
}
@@ -191,6 +192,7 @@ struct ttm_tt *vmw_ttm_tt_create(struct ttm_bo_device *bdev,
vmw_be->dev_priv = container_of(bdev, struct vmw_private, bdev);
if (ttm_tt_init(&vmw_be->ttm, bdev, size, page_flags, dummy_read_page)) {
kfree(vmw_be);
return NULL;
}