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| author | Jakob Bornecrantz <jakob@vmware.com> | 2011-11-03 21:03:08 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-11-07 14:16:55 +0100 |
| commit | 2ac863719e518ae1a8f328849e64ea26a222f079 (patch) | |
| tree | bc3900daf89dfe3f5c8cc994499a7164c16316c2 | |
| parent | vmwgfx: Move the prefered mode first in the list (diff) | |
| download | linux-2ac863719e518ae1a8f328849e64ea26a222f079.tar.xz linux-2ac863719e518ae1a8f328849e64ea26a222f079.zip | |
vmwgfx: Snoop DMA transfers with non-covering sizes
Enough to get cursors working under Wayland.
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 8de24836edb1..03daefa73397 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -216,7 +216,7 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf, SVGA3dCmdHeader header; SVGA3dCmdSurfaceDMA dma; } *cmd; - int ret; + int i, ret; cmd = container_of(header, struct vmw_dma_cmd, header); @@ -238,16 +238,19 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf, box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) / sizeof(SVGA3dCopyBox); - if (cmd->dma.guest.pitch != (64 * 4) || - cmd->dma.guest.ptr.offset % PAGE_SIZE || + if (cmd->dma.guest.ptr.offset % PAGE_SIZE || box->x != 0 || box->y != 0 || box->z != 0 || box->srcx != 0 || box->srcy != 0 || box->srcz != 0 || - box->w != 64 || box->h != 64 || box->d != 1 || - box_count != 1) { + box->d != 1 || box_count != 1) { /* TODO handle none page aligned offsets */ - /* TODO handle partial uploads and pitch != 256 */ - /* TODO handle more then one copy (size != 64) */ - DRM_ERROR("lazy programmer, can't handle weird stuff\n"); + /* TODO handle more dst & src != 0 */ + /* TODO handle more then one copy */ + DRM_ERROR("Cant snoop dma request for cursor!\n"); + DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n", + box->srcx, box->srcy, box->srcz, + box->x, box->y, box->z, + box->w, box->h, box->d, box_count, + cmd->dma.guest.ptr.offset); return; } @@ -266,7 +269,16 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf, virtual = ttm_kmap_obj_virtual(&map, &dummy); - memcpy(srf->snooper.image, virtual, 64*64*4); + if (box->w == 64 && cmd->dma.guest.pitch == 64*4) { + memcpy(srf->snooper.image, virtual, 64*64*4); + } else { + /* Image is unsigned pointer. */ + for (i = 0; i < box->h; i++) + memcpy(srf->snooper.image + i * 64, + virtual + i * cmd->dma.guest.pitch, + box->w * 4); + } + srf->snooper.age++; /* we can't call this function from this function since execbuf has |