This bumps driver major version as a result of previous incompatible
interface changes.
In addition, a leftover command definition is removed from the
vmwgfx_drm.h header.
Also a strict version check is enforced on the exebuf ioctl.
This is intended to be the last major bump before exiting staging.
Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 6 ++--
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 14 +++++++++
include/drm/vmwgfx_drm.h | 46 +------------------------------
3 files changed, 18 insertions(+), 48 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 770f063..564a815 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -40,9 +40,9 @@
#include "ttm/ttm_module.h"
#include "vmwgfx_fence.h"
-#define VMWGFX_DRIVER_DATE "20100927"
-#define VMWGFX_DRIVER_MAJOR 1
-#define VMWGFX_DRIVER_MINOR 4
+#define VMWGFX_DRIVER_DATE "20110901"
+#define VMWGFX_DRIVER_MAJOR 2
+#define VMWGFX_DRIVER_MINOR 0
#define VMWGFX_DRIVER_PATCHLEVEL 0
#define VMWGFX_FILE_PAGE_OFFSET 0x00100000
#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 0255abb..df1c7c5 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -733,6 +733,20 @@ int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
struct vmw_fence_obj *fence;
uint32_t handle;
+ /*
+ * This will allow us to extend the ioctl argument while
+ * maintaining backwards compatibility:
+ * We take different code paths depending on the value of
+ * arg->version.
+ */
+
+ if (unlikely(arg->version != DRM_VMW_EXECBUF_VERSION)) {
+ DRM_ERROR("Incorrect execbuf version.\n");
+ DRM_ERROR("You're running outdated experimental "
+ "vmwgfx user-space drivers.");
+ return -EINVAL;
+ }
+
ret = ttm_read_lock(&vmaster->lock, true);
if (unlikely(ret != 0))
return ret;
diff --git a/include/drm/vmwgfx_drm.h b/include/drm/vmwgfx_drm.h
index 763a7a3..29cd9cf 100644
--- a/include/drm/vmwgfx_drm.h
+++ b/include/drm/vmwgfx_drm.h
@@ -31,7 +31,6 @@
#define DRM_VMW_MAX_SURFACE_FACES 6
#define DRM_VMW_MAX_MIP_LEVELS 24
-#define DRM_VMW_EXT_NAME_LEN 128
#define DRM_VMW_GET_PARAM 0
#define DRM_VMW_ALLOC_DMABUF 1
@@ -92,49 +91,6 @@ struct drm_vmw_getparam_arg {
/*************************************************************************/
/**
- * DRM_VMW_EXTENSION - Query device extensions.
- */
-
-/**
- * struct drm_vmw_extension_rep
- *
- * @exists: The queried extension exists.
- * @driver_ioctl_offset: Ioctl number of the first ioctl in the extension.
- * @driver_sarea_offset: Offset to any space in the DRI SAREA
- * used by the extension.
- * @major: Major version number of the extension.
- * @minor: Minor version number of the extension.
- * @pl: Patch level version number of the extension.
- *
- * Output argument to the DRM_VMW_EXTENSION Ioctl.
- */
-
-struct drm_vmw_extension_rep {
- int32_t exists;
- uint32_t driver_ioctl_offset;
- uint32_t driver_sarea_offset;
- uint32_t major;
- uint32_t minor;
- uint32_t pl;
- uint32_t pad64;
-};
-
-/**
- * union drm_vmw_extension_arg
- *
- * @extension - Ascii name of the extension to be queried. //In
- * @rep - Reply as defined above. //Out
- *
- * Argument to the DRM_VMW_EXTENSION Ioctl.
- */
-
-union drm_vmw_extension_arg {
- char extension[DRM_VMW_EXT_NAME_LEN];
- struct drm_vmw_extension_rep rep;
-};
-
-/*************************************************************************/
-/**
* DRM_VMW_CREATE_CONTEXT - Create a host context.
*
* Allocates a device unique context id, and queues a create context command
@@ -315,7 +271,7 @@ union drm_vmw_surface_reference_arg {
* Argument to the DRM_VMW_EXECBUF Ioctl.
*/
-#define DRM_VMW_EXECBUF_VERSION 0
+#define DRM_VMW_EXECBUF_VERSION 1
struct drm_vmw_execbuf_arg {
uint64_t commands;
--
1.7.4.4
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