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authorThomas Hellstrom <thellstrom@vmware.com>2018-01-16 09:33:27 +0100
committerThomas Hellstrom <thellstrom@vmware.com>2018-03-22 12:08:23 +0100
commit79273e1b7eb0e2007c5a9cae71af31075df8e6c5 (patch)
treebea654fe0a2be5cbb72f9cd4197d89ab0a0fe145 /drivers/gpu/drm/vmwgfx/Makefile
parent9c11fcf1a74d338774faa059b0aea24264c95658 (diff)
drm/vmwgfx: Add a cpu blit utility that can be used for page-backed bos
The utility uses kmap_atomic() instead of vmapping the whole buffer object. As a result there will be more book-keeping but on some architectures this will help avoid exhausting vmalloc space and also avoid expensive TLB flushes. The blit utility also adds a provision to compute a bounding box of changed content, which is very useful to optimize presentation speed of ill-behaved applications that don't supply proper damage regions, and for page-flips. The cost of computing the bounding box is not that expensive when done in a cpu-blit utility like this. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/Makefile')
-rw-r--r--drivers/gpu/drm/vmwgfx/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/Makefile b/drivers/gpu/drm/vmwgfx/Makefile
index ad80211e1098..794cc9d5c9b0 100644
--- a/drivers/gpu/drm/vmwgfx/Makefile
+++ b/drivers/gpu/drm/vmwgfx/Makefile
@@ -7,6 +7,6 @@ vmwgfx-y := vmwgfx_execbuf.o vmwgfx_gmr.o vmwgfx_kms.o vmwgfx_drv.o \
vmwgfx_surface.o vmwgfx_prime.o vmwgfx_mob.o vmwgfx_shader.o \
vmwgfx_cmdbuf_res.o vmwgfx_cmdbuf.o vmwgfx_stdu.o \
vmwgfx_cotable.o vmwgfx_so.o vmwgfx_binding.o vmwgfx_msg.o \
- vmwgfx_simple_resource.o vmwgfx_va.o
+ vmwgfx_simple_resource.o vmwgfx_va.o vmwgfx_blit.o
obj-$(CONFIG_DRM_VMWGFX) := vmwgfx.o