Remove non-meaningful region_idle() interface

This is already handled by the semanics of map(), etc.

src/mesa/pipe/failover/fo_context.c

@@ -139,7 +139,6 @@ struct pipe_context *failover_create( struct pipe_context *hw,
 
    failover->pipe.region_alloc = hw->region_alloc;
    failover->pipe.region_release = hw->region_release;
-   failover->pipe.region_idle = hw->region_idle;
    failover->pipe.region_map = hw->region_map;
    failover->pipe.region_unmap = hw->region_unmap;
    failover->pipe.region_data = hw->region_data;

src/mesa/pipe/i915simple/i915_regions.c

@@ -37,11 +37,6 @@
 #include "i915_blit.h"
 
 
-static void
-i915_region_idle(struct pipe_context *pipe, struct pipe_region *region)
-{
-   
-}
 
 
 static ubyte *
@@ -302,7 +297,6 @@ i915_region_fill(struct pipe_context *pipe,
 void
 i915_init_region_functions(struct i915_context *i915)
 {
-   i915->pipe.region_idle = i915_region_idle;
    i915->pipe.region_map = i915_region_map;
    i915->pipe.region_unmap = i915_region_unmap;
    i915->pipe.region_alloc = i915_region_alloc;

src/mesa/pipe/p_context.h

@@ -182,8 +182,6 @@ struct pipe_context {
 
    void (*region_release)(struct pipe_context *pipe, struct pipe_region **r);
 
-   void (*region_idle)(struct pipe_context *pipe, struct pipe_region *region);
-
    ubyte *(*region_map)(struct pipe_context *pipe, struct pipe_region *r);
 
    void (*region_unmap)(struct pipe_context *pipe, struct pipe_region *r);

src/mesa/pipe/softpipe/sp_region.c

@@ -48,12 +48,6 @@ round_up(unsigned n, unsigned multiple)
 }
 
 
-static void
-sp_region_idle(struct pipe_context *pipe, struct pipe_region *region)
-{
-   
-}
-
 
 static ubyte *
 sp_region_map(struct pipe_context *pipe, struct pipe_region *region)
@@ -283,7 +277,6 @@ sp_region_fill(struct pipe_context *pipe,
 void
 sp_init_region_functions(struct softpipe_context *sp)
 {
-   sp->pipe.region_idle = sp_region_idle;
    sp->pipe.region_map = sp_region_map;
    sp->pipe.region_unmap = sp_region_unmap;
    sp->pipe.region_alloc = sp_region_alloc;

src/mesa/state_tracker/st_cb_texture.c

@@ -705,14 +705,6 @@ st_TexImage(GLcontext * ctx,
    if (!pixels)
       return;
 
-
-   if (stImage->mt)
-      pipe->region_idle(pipe, stImage->mt->region);
-
-#if 0
-   LOCK_HARDWARE(intel);
-#endif
-
    if (stImage->mt) {
       texImage->Data = st_miptree_image_map(pipe,
                                                stImage->mt,
@@ -766,10 +758,6 @@ st_TexImage(GLcontext * ctx,
       texImage->Data = NULL;
    }
 
-#if 0
-   UNLOCK_HARDWARE(intel);
-#endif
-
 #if 0
    /* GL_SGIS_generate_mipmap -- this can be accelerated now.
     */
@@ -958,13 +946,6 @@ st_TexSubimage(GLcontext * ctx,
    if (!pixels)
       return;
 
-   if (stImage->mt)
-      pipe->region_idle(pipe, stImage->mt->region);
-
-#if 0
-   LOCK_HARDWARE(intel);
-#endif
-
    /* Map buffer if necessary.  Need to lock to prevent other contexts
     * from uploading the buffer under us.
     */
@@ -1004,10 +985,6 @@ st_TexSubimage(GLcontext * ctx,
       st_miptree_image_unmap(pipe, stImage->mt);
       texImage->Data = NULL;
    }
-
-#if 0
-   UNLOCK_HARDWARE(intel);
-#endif
 }