Now that the pipe-loader is reference counting the screen creation, it
is unnecessary to do in it the winsys/driver.

Signed-off-by: Rob Herring <r...@kernel.org>
Cc: Rob Clark <robcl...@freedesktop.org>
---
 src/gallium/drivers/freedreno/freedreno_screen.c   |  1 -
 src/gallium/drivers/freedreno/freedreno_screen.h   | 10 ---
 .../winsys/freedreno/drm/freedreno_drm_winsys.c    | 89 +---------------------
 3 files changed, 2 insertions(+), 98 deletions(-)

diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c 
b/src/gallium/drivers/freedreno/freedreno_screen.c
index c258074..cd7748f 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -561,7 +561,6 @@ fd_screen_create(struct fd_device *dev)
        pscreen = &screen->base;
 
        screen->dev = dev;
-       screen->refcnt = 1;
 
        // maybe this should be in context?
        screen->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.h 
b/src/gallium/drivers/freedreno/freedreno_screen.h
index a81c778..8dcacca 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.h
+++ b/src/gallium/drivers/freedreno/freedreno_screen.h
@@ -42,16 +42,6 @@ struct fd_bo;
 struct fd_screen {
        struct pipe_screen base;
 
-       /* it would be tempting to use pipe_reference here, but that
-        * really doesn't work well if it isn't the first member of
-        * the struct, so not quite so awesome to be adding refcnting
-        * further down the inheritance hierarchy:
-        */
-       int refcnt;
-
-       /* place for winsys to stash it's own stuff: */
-       void *winsys_priv;
-
        uint32_t gmemsize_bytes;
        uint32_t device_id;
        uint32_t gpu_id;         /* 220, 305, etc */
diff --git a/src/gallium/winsys/freedreno/drm/freedreno_drm_winsys.c 
b/src/gallium/winsys/freedreno/drm/freedreno_drm_winsys.c
index e4785f8..81cdadf 100644
--- a/src/gallium/winsys/freedreno/drm/freedreno_drm_winsys.c
+++ b/src/gallium/winsys/freedreno/drm/freedreno_drm_winsys.c
@@ -26,102 +26,17 @@
  *    Rob Clark <robcl...@freedesktop.org>
  */
 
-#include <sys/stat.h>
-
 #include "pipe/p_context.h"
 #include "pipe/p_state.h"
-#include "util/u_format.h"
-#include "util/u_memory.h"
-#include "util/u_inlines.h"
-#include "util/u_hash_table.h"
-#include "os/os_thread.h"
 
 #include "freedreno_drm_public.h"
 
 #include "freedreno/freedreno_screen.h"
 
-static struct util_hash_table *fd_tab = NULL;
-
-pipe_static_mutex(fd_screen_mutex);
-
-static void
-fd_drm_screen_destroy(struct pipe_screen *pscreen)
-{
-       struct fd_screen *screen = fd_screen(pscreen);
-       boolean destroy;
-
-       pipe_mutex_lock(fd_screen_mutex);
-       destroy = --screen->refcnt == 0;
-       if (destroy) {
-               int fd = fd_device_fd(screen->dev);
-               util_hash_table_remove(fd_tab, intptr_to_pointer(fd));
-       }
-       pipe_mutex_unlock(fd_screen_mutex);
-
-       if (destroy) {
-               pscreen->destroy = screen->winsys_priv;
-               pscreen->destroy(pscreen);
-       }
-}
-
-static unsigned hash_fd(void *key)
-{
-       int fd = pointer_to_intptr(key);
-       struct stat stat;
-       fstat(fd, &stat);
-
-       return stat.st_dev ^ stat.st_ino ^ stat.st_rdev;
-}
-
-static int compare_fd(void *key1, void *key2)
-{
-       int fd1 = pointer_to_intptr(key1);
-       int fd2 = pointer_to_intptr(key2);
-       struct stat stat1, stat2;
-       fstat(fd1, &stat1);
-       fstat(fd2, &stat2);
-
-       return stat1.st_dev != stat2.st_dev ||
-                       stat1.st_ino != stat2.st_ino ||
-                       stat1.st_rdev != stat2.st_rdev;
-}
-
 struct pipe_screen *
 fd_drm_screen_create(int fd)
 {
-       struct pipe_screen *pscreen = NULL;
-
-       pipe_mutex_lock(fd_screen_mutex);
-       if (!fd_tab) {
-               fd_tab = util_hash_table_create(hash_fd, compare_fd);
-               if (!fd_tab)
-                       goto unlock;
-       }
-
-       pscreen = util_hash_table_get(fd_tab, intptr_to_pointer(fd));
-       if (pscreen) {
-               fd_screen(pscreen)->refcnt++;
-       } else {
-               struct fd_device *dev = fd_device_new_dup(fd);
-               if (!dev)
-                       goto unlock;
-
-               pscreen = fd_screen_create(dev);
-               if (pscreen) {
-                       int fd = fd_device_fd(dev);
-
-                       util_hash_table_set(fd_tab, intptr_to_pointer(fd), 
pscreen);
-
-                       /* Bit of a hack, to avoid circular linkage dependency,
-                        * ie. pipe driver having to call in to winsys, we
-                        * override the pipe drivers screen->destroy():
-                        */
-                       fd_screen(pscreen)->winsys_priv = pscreen->destroy;
-                       pscreen->destroy = fd_drm_screen_destroy;
-               }
-       }
+       struct fd_device *dev = fd_device_new(fd);
 
-unlock:
-       pipe_mutex_unlock(fd_screen_mutex);
-       return pscreen;
+       return fd_screen_create(dev);
 }
-- 
2.7.4

_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev

Reply via email to