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Diffstat (limited to 'drivers/staging/gma500/psb_fence.c')
-rw-r--r--drivers/staging/gma500/psb_fence.c122
1 files changed, 0 insertions, 122 deletions
diff --git a/drivers/staging/gma500/psb_fence.c b/drivers/staging/gma500/psb_fence.c
deleted file mode 100644
index a70aa64f2cad..000000000000
--- a/drivers/staging/gma500/psb_fence.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Copyright (c) 2007, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- *
- * Authors: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
- */
-
-#include <drm/drmP.h>
-#include "psb_drv.h"
-
-
-static void psb_fence_poll(struct ttm_fence_device *fdev,
- uint32_t fence_class, uint32_t waiting_types)
-{
- struct drm_psb_private *dev_priv =
- container_of(fdev, struct drm_psb_private, fdev);
-
-
- if (unlikely(!dev_priv))
- return;
-
- if (waiting_types == 0)
- return;
-
- /* DRM_ERROR("Polling fence sequence, got 0x%08x\n", sequence); */
- ttm_fence_handler(fdev, fence_class, 0 /* Sequence */,
- _PSB_FENCE_TYPE_EXE, 0);
-}
-
-void psb_fence_error(struct drm_device *dev,
- uint32_t fence_class,
- uint32_t sequence, uint32_t type, int error)
-{
- struct drm_psb_private *dev_priv = psb_priv(dev);
- struct ttm_fence_device *fdev = &dev_priv->fdev;
- unsigned long irq_flags;
- struct ttm_fence_class_manager *fc =
- &fdev->fence_class[fence_class];
-
- BUG_ON(fence_class >= PSB_NUM_ENGINES);
- write_lock_irqsave(&fc->lock, irq_flags);
- ttm_fence_handler(fdev, fence_class, sequence, type, error);
- write_unlock_irqrestore(&fc->lock, irq_flags);
-}
-
-int psb_fence_emit_sequence(struct ttm_fence_device *fdev,
- uint32_t fence_class,
- uint32_t flags, uint32_t *sequence,
- unsigned long *timeout_jiffies)
-{
- struct drm_psb_private *dev_priv =
- container_of(fdev, struct drm_psb_private, fdev);
-
- if (!dev_priv)
- return -EINVAL;
-
- if (fence_class >= PSB_NUM_ENGINES)
- return -EINVAL;
-
- DRM_ERROR("Unexpected fence class\n");
- return -EINVAL;
-}
-
-static void psb_fence_lockup(struct ttm_fence_object *fence,
- uint32_t fence_types)
-{
- DRM_ERROR("Unsupported fence class\n");
-}
-
-void psb_fence_handler(struct drm_device *dev, uint32_t fence_class)
-{
- struct drm_psb_private *dev_priv = psb_priv(dev);
- struct ttm_fence_device *fdev = &dev_priv->fdev;
- struct ttm_fence_class_manager *fc =
- &fdev->fence_class[fence_class];
- unsigned long irq_flags;
-
- write_lock_irqsave(&fc->lock, irq_flags);
- psb_fence_poll(fdev, fence_class, fc->waiting_types);
- write_unlock_irqrestore(&fc->lock, irq_flags);
-}
-
-
-static struct ttm_fence_driver psb_ttm_fence_driver = {
- .has_irq = NULL,
- .emit = psb_fence_emit_sequence,
- .flush = NULL,
- .poll = psb_fence_poll,
- .needed_flush = NULL,
- .wait = NULL,
- .signaled = NULL,
- .lockup = psb_fence_lockup,
-};
-
-int psb_ttm_fence_device_init(struct ttm_fence_device *fdev)
-{
- struct drm_psb_private *dev_priv =
- container_of(fdev, struct drm_psb_private, fdev);
- struct ttm_fence_class_init fci = {.wrap_diff = (1 << 30),
- .flush_diff = (1 << 29),
- .sequence_mask = 0xFFFFFFFF
- };
-
- return ttm_fence_device_init(PSB_NUM_ENGINES,
- dev_priv->mem_global_ref.object,
- fdev, &fci, 1,
- &psb_ttm_fence_driver);
-}