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authorThomas Hellstrom <thellstrom@vmware.com>2011-10-04 20:13:33 +0200
committerDave Airlie <airlied@redhat.com>2011-10-05 10:17:31 +0100
commit5bb39e818169783ee17ddbbefbd7bd16a4383fec (patch)
treea4af9f982e0c75e19b7e31bfdbaebc30e25b0bdc /drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
parent90ff18bc3a1ff56e3948ccf7ae4031b8e9662981 (diff)
downloadblackbird-op-linux-5bb39e818169783ee17ddbbefbd7bd16a4383fec.tar.gz
blackbird-op-linux-5bb39e818169783ee17ddbbefbd7bd16a4383fec.zip
vmwgfx: Handle device surface memory limit
Make surfaces swappable. Make sure we honor the maximum amount of surface memory the device accepts. This is done by potentially reading back surface contents not used by the current command submission and storing it locally in buffer objects. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index dfd7fca6b3f7..8a22f9d4a610 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -164,6 +164,14 @@ static int vmw_cmd_sid_check(struct vmw_private *dev_priv,
return ret;
}
+ ret = vmw_surface_validate(dev_priv, srf);
+ if (unlikely(ret != 0)) {
+ if (ret != -ERESTARTSYS)
+ DRM_ERROR("Could not validate surface.\n");
+ vmw_surface_unreference(&srf);
+ return ret;
+ }
+
sw_context->last_sid = *sid;
sw_context->sid_valid = true;
sw_context->sid_translation = srf->res.id;
@@ -257,6 +265,7 @@ static int vmw_cmd_present_check(struct vmw_private *dev_priv,
SVGA3dCmdPresent body;
} *cmd;
+
cmd = container_of(header, struct vmw_sid_cmd, header);
if (unlikely(!sw_context->kernel)) {
@@ -566,6 +575,13 @@ static int vmw_cmd_dma(struct vmw_private *dev_priv,
goto out_no_reloc;
}
+ ret = vmw_surface_validate(dev_priv, srf);
+ if (unlikely(ret != 0)) {
+ if (ret != -ERESTARTSYS)
+ DRM_ERROR("Culd not validate surface.\n");
+ goto out_no_validate;
+ }
+
/*
* Patch command stream with device SID.
*/
@@ -579,6 +595,8 @@ static int vmw_cmd_dma(struct vmw_private *dev_priv,
return 0;
+out_no_validate:
+ vmw_surface_unreference(&srf);
out_no_reloc:
vmw_dmabuf_unreference(&vmw_bo);
return ret;
@@ -882,6 +900,7 @@ static void vmw_clear_validations(struct vmw_sw_context *sw_context)
/*
* Drop references to resources held during command submission.
*/
+ vmw_resource_unreserve(&sw_context->resource_list);
list_for_each_entry_safe(res, res_next, &sw_context->resource_list,
validate_head) {
list_del_init(&res->validate_head);
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