drm/vmwgfx/vmwgfx_binding: Provide some missing param descriptions and remove others

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

 drivers/gpu/drm/vmwgfx/vmwgfx_binding.c:340: warning: Function parameter or member 'shader_slot' not described in 'vmw_binding_add'
 drivers/gpu/drm/vmwgfx/vmwgfx_binding.c:340: warning: Function parameter or member 'slot' not described in 'vmw_binding_add'
 drivers/gpu/drm/vmwgfx/vmwgfx_binding.c:376: warning: Function parameter or member 'from' not described in 'vmw_binding_transfer'
 drivers/gpu/drm/vmwgfx/vmwgfx_binding.c:498: warning: Function parameter or member 'to' not described in 'vmw_binding_state_commit'
 drivers/gpu/drm/vmwgfx/vmwgfx_binding.c:498: warning: Excess function parameter 'ctx' description in 'vmw_binding_state_commit'
 drivers/gpu/drm/vmwgfx/vmwgfx_binding.c:498: warning: Excess function parameter 'scrubbed' description in 'vmw_binding_state_commit'
 drivers/gpu/drm/vmwgfx/vmwgfx_binding.c:520: warning: Function parameter or member 'cbs' not described in 'vmw_binding_rebind_all'
 drivers/gpu/drm/vmwgfx/vmwgfx_binding.c:520: warning: Excess function parameter 'ctx' description in 'vmw_binding_rebind_all'
 drivers/gpu/drm/vmwgfx/vmwgfx_binding.c:795: warning: Function parameter or member 'shader_slot' not described in 'vmw_emit_set_sr'

Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Roland Scheidegger <sroland@vmware.com>
Cc: Zack Rusin <zackr@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/20210115181601.3432599-5-lee.jones@linaro.org

drivers/gpu/drm/vmwgfx/vmwgfx_binding.c

@@ -330,6 +330,8 @@ static void vmw_binding_drop(struct vmw_ctx_bindinfo *bi)
  *
  * @cbs: Pointer to the context binding state tracker.
  * @bi: Information about the binding to track.
+ * @shader_slot: The shader slot of the binding.
+ * @slot: The slot of the binding.
  *
  * Starts tracking the binding in the context binding
  * state structure @cbs.
@@ -367,6 +369,7 @@ void vmw_binding_add_uav_index(struct vmw_ctx_binding_state *cbs, uint32 slot,
  * vmw_binding_transfer: Transfer a context binding tracking entry.
  *
  * @cbs: Pointer to the persistent context binding state tracker.
+ * @from: Staged binding info built during execbuf
  * @bi: Information about the binding to track.
  *
  */
@@ -484,9 +487,8 @@ void vmw_binding_res_list_scrub(struct list_head *head)
 /**
  * vmw_binding_state_commit - Commit staged binding info
  *
- * @ctx: Pointer to context to commit the staged binding info to.
+ * @to:   Staged binding info area to copy into to.
  * @from: Staged binding info built during execbuf.
- * @scrubbed: Transfer only scrubbed bindings.
  *
  * Transfers binding info from a temporary structure
  * (typically used by execbuf) to the persistent
@@ -511,7 +513,7 @@ void vmw_binding_state_commit(struct vmw_ctx_binding_state *to,
 /**
  * vmw_binding_rebind_all - Rebind all scrubbed bindings of a context
  *
- * @ctx: The context resource
+ * @cbs: Pointer to the context binding state tracker.
  *
  * Walks through the context binding list and rebinds all scrubbed
  * resources.
@@ -789,6 +791,7 @@ static void vmw_collect_dirty_view_ids(struct vmw_ctx_binding_state *cbs,
  * vmw_binding_emit_set_sr - Issue delayed DX shader resource binding commands
  *
  * @cbs: Pointer to the context's struct vmw_ctx_binding_state
+ * @shader_slot: The shader slot of the binding.
  */
 static int vmw_emit_set_sr(struct vmw_ctx_binding_state *cbs,
 			   int shader_slot)