drm/vmwgfx/vmwgfx_cmdbuf: Fix a bunch of missing or incorrectly formatted/named params

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c:58: warning: Function parameter or member 'block_submission' not described in 'vmw_cmdbuf_context'
 drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c:109: warning: cannot understand function prototype: 'struct vmw_cmdbuf_man '
 drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c:164: warning: Function parameter or member 'handle' not described in 'vmw_cmdbuf_header'
 drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c:257: warning: Function parameter or member 'header' not described in '__vmw_cmdbuf_header_free'
 drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c:380: warning: Function parameter or member 'notempty' not described in 'vmw_cmdbuf_ctx_process'
 drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c:1168: warning: Function parameter or member 'context' not described in 'vmw_cmdbuf_preempt'
 drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c:1193: warning: Function parameter or member 'context' not described in 'vmw_cmdbuf_startstop'

Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Roland Scheidegger <sroland@vmware.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Zack Rusin <zackr@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210115181313.3431493-38-lee.jones@linaro.org

drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c

@@ -48,6 +48,7 @@
  * @hw_submitted: List of command buffers submitted to hardware.
  * @preempted: List of preempted command buffers.
  * @num_hw_submitted: Number of buffers currently being processed by hardware
+ * @block_submission: Identifies a block command submission.
  */
 struct vmw_cmdbuf_context {
 	struct list_head submitted;
@@ -58,7 +59,7 @@ struct vmw_cmdbuf_context {
 };
 
 /**
- * struct vmw_cmdbuf_man: - Command buffer manager
+ * struct vmw_cmdbuf_man - Command buffer manager
  *
  * @cur_mutex: Mutex protecting the command buffer used for incremental small
  * kernel command submissions, @cur.
@@ -143,7 +144,7 @@ struct vmw_cmdbuf_man {
  * @cb_context: The device command buffer context.
  * @list: List head for attaching to the manager lists.
  * @node: The range manager node.
- * @handle. The DMA address of @cb_header. Handed to the device on command
+ * @handle: The DMA address of @cb_header. Handed to the device on command
  * buffer submission.
  * @cmd: Pointer to the command buffer space of this buffer.
  * @size: Size of the command buffer space of this buffer.
@@ -249,7 +250,7 @@ static void vmw_cmdbuf_header_inline_free(struct vmw_cmdbuf_header *header)
  * __vmw_cmdbuf_header_free - Free a struct vmw_cmdbuf_header  and its
  * associated structures.
  *
- * header: Pointer to the header to free.
+ * @header: Pointer to the header to free.
  *
  * For internal use. Must be called with man::lock held.
  */
@@ -365,10 +366,11 @@ static void vmw_cmdbuf_ctx_submit(struct vmw_cmdbuf_man *man,
 }
 
 /**
- * vmw_cmdbuf_ctx_submit: Process a command buffer context.
+ * vmw_cmdbuf_ctx_process - Process a command buffer context.
  *
  * @man: The command buffer manager.
  * @ctx: The command buffer context.
+ * @notempty: Pass back count of non-empty command submitted lists.
  *
  * Submit command buffers to hardware if possible, and process finished
  * buffers. Typically freeing them, but on preemption or error take
@@ -1161,6 +1163,7 @@ static int vmw_cmdbuf_send_device_command(struct vmw_cmdbuf_man *man,
  * context.
  *
  * @man: The command buffer manager.
+ * @context: Device context to pass command through.
  *
  * Synchronously sends a preempt command.
  */
@@ -1184,6 +1187,7 @@ static int vmw_cmdbuf_preempt(struct vmw_cmdbuf_man *man, u32 context)
  * context.
  *
  * @man: The command buffer manager.
+ * @context: Device context to start/stop.
  * @enable: Whether to enable or disable the context.
  *
  * Synchronously sends a device start / stop context command.