diff options
Diffstat (limited to 'drivers/staging/gma500/psb_fence.c')
-rw-r--r-- | drivers/staging/gma500/psb_fence.c | 122 |
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); -} |