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authorJakob Bornecrantz <jakob@vmware.com>2011-10-17 09:59:45 (GMT)
committerDave Airlie <airlied@redhat.com>2011-10-18 08:39:04 (GMT)
commit1c482ab3596b8ee4c635926b35ee88ad56ba2f9c (patch)
treee1cfb706cce27e37d4c3d3f0c8f91b635ec59ba7 /drivers/gpu
parent74b5ea307689b5abf577670b40965921d5dba4d5 (diff)
downloadlinux-1c482ab3596b8ee4c635926b35ee88ad56ba2f9c.tar.xz
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')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c19
3 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index e07dcf4..b8eb8cd 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1069,6 +1069,8 @@ static struct drm_driver driver = {
.irq_uninstall = vmw_irq_uninstall,
.irq_handler = vmw_irq_handler,
.get_vblank_counter = vmw_get_vblank_counter,
+ .enable_vblank = vmw_enable_vblank,
+ .disable_vblank = vmw_disable_vblank,
.reclaim_buffers_locked = NULL,
.ioctls = vmw_ioctls,
.num_ioctls = DRM_ARRAY_SIZE(vmw_ioctls),
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 0e9b2ce..30589d0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -618,6 +618,8 @@ bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
uint32_t pitch,
uint32_t height);
u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
+int vmw_enable_vblank(struct drm_device *dev, int crtc);
+void vmw_disable_vblank(struct drm_device *dev, int crtc);
int vmw_kms_present(struct vmw_private *dev_priv,
struct drm_file *file_priv,
struct vmw_framebuffer *vfb,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 2421d0c..39b99db 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.