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authorJakob Bornecrantz <jakob@vmware.com>2011-10-17 11:59:45 +0200
committerDave Airlie <airlied@redhat.com>2011-10-18 09:39:04 +0100
commit1c482ab3596b8ee4c635926b35ee88ad56ba2f9c (patch)
treee1cfb706cce27e37d4c3d3f0c8f91b635ec59ba7 /drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
parent74b5ea307689b5abf577670b40965921d5dba4d5 (diff)
vmwgfx: Add vblank stubs
This fixes kernel panics when running the vbltest from the drm repo. We can't just skip initializing the vblank system since it sets up certain state for us, see: "vmwgfx: Enable use of the vblank system." Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_kms.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 2421d0cd0df..39b99dbde21 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1459,11 +1459,30 @@ bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
return ((u64) pitch * (u64) height) < (u64) dev_priv->vram_size;
}
+
+/**
+ * Function called by DRM code called with vbl_lock held.
+ */
u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
{
return 0;
}
+/**
+ * Function called by DRM code called with vbl_lock held.
+ */
+int vmw_enable_vblank(struct drm_device *dev, int crtc)
+{
+ return -ENOSYS;
+}
+
+/**
+ * Function called by DRM code called with vbl_lock held.
+ */
+void vmw_disable_vblank(struct drm_device *dev, int crtc)
+{
+}
+
/*
* Small shared kms functions.