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/* * (C) Copyright IBM Corporation 2007 * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * on the rights to use, copy, modify, merge, publish, distribute, sub * license, and/or sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Ian Romanick <idr@us.ibm.com> */ #include "xgi_drv.h" #include "xgi_regs.h" #include "xgi_misc.h" #include "xgi_cmdlist.h" static uint32_t xgi_do_flush(struct drm_device * dev, uint32_t class) { struct xgi_info * info = dev->dev_private; struct drm_fence_class_manager * fc = &dev->fm.fence_class[class]; uint32_t pending_flush_types = 0; uint32_t signaled_flush_types = 0; if ((info == NULL) || (class != 0)) return 0; DRM_SPINLOCK(&info->fence_lock); pending_flush_types = fc->pending_flush | ((fc->pending_exe_flush) ? DRM_FENCE_TYPE_EXE : 0); if (pending_flush_types) { if (pending_flush_types & DRM_FENCE_TYPE_EXE) { const u32 begin_id = DRM_READ32(info->mmio_map, 0x2820) & BEGIN_BEGIN_IDENTIFICATION_MASK; if (begin_id != info->complete_sequence) { info->complete_sequence = begin_id; signaled_flush_types |= DRM_FENCE_TYPE_EXE; } } if (signaled_flush_types) { drm_fence_handler(dev, 0, info->complete_sequence, signaled_flush_types); } } DRM_SPINUNLOCK(&info->fence_lock); return fc->pending_flush | ((fc->pending_exe_flush) ? DRM_FENCE_TYPE_EXE : 0); } int xgi_fence_emit_sequence(struct drm_device * dev, uint32_t class, uint32_t flags, uint32_t * sequence, uint32_t * native_type) { struct xgi_info * info = dev->dev_private; if ((info == NULL) || (class != 0)) return -EINVAL; DRM_SPINLOCK(&info->fence_lock); info->next_sequence++; if (info->next_sequence > BEGIN_BEGIN_IDENTIFICATION_MASK) { info->next_sequence = 1; } DRM_SPINUNLOCK(&info->fence_lock); xgi_emit_irq(info); *sequence = (uint32_t) info->next_sequence; *native_type = DRM_FENCE_TYPE_EXE; return 0; } void xgi_poke_flush(struct drm_device * dev, uint32_t class) { struct drm_fence_manager * fm = &dev->fm; unsigned long flags; write_lock_irqsave(&fm->lock, flags); xgi_do_flush(dev, class); write_unlock_irqrestore(&fm->lock, flags); } void xgi_fence_handler(struct drm_device * dev) { struct drm_fence_manager * fm = &dev->fm; write_lock(&fm->lock); xgi_do_flush(dev, 0); write_unlock(&fm->lock); } int xgi_fence_has_irq(struct drm_device *dev, uint32_t class, uint32_t flags) {d15'>fixes for using userspace pointers found by sparse utility
AgeCommit message (Collapse)Author
2004-08-31Apply patch from Bryan Stine bugzilla #1227Dave Airlie
2004-08-30implement drm_core_check_feature and use it .. looks lots nicerDave Airlie
2004-08-30drm-memory patch, cleans up alloc/free and makes calloc look more libc likeDave Airlie
2004-08-30Fix copy_from_user return value ignored warning at via_dma.c:168.Erdi Chen
2004-08-29add context include so fn are definedDave Airlie
2004-08-29fix up some small things ffb (no idea if it works or not ..)Dave Airlie
2004-08-29remove hacky context thing that was gamma onlyDave Airlie
2004-08-29Drop GAMMA DRM from a great height ...Dave Airlie
2004-08-29fixup issue caused by fntbl-2 mergeDave Airlie
2004-08-28Initialize pdev to NULL correctly so that pci_get_subsys() will work.Jon Smirl
2004-08-27run i915 through lindentDave Airlie
2004-08-27__NO_VERSION__ hasn't been needed since 2.3 days ditch it...Dave Airlie
2004-08-27Make DRM detect vesafb and revert to stealth mode to avoid resourceJon Smirl
conflicts
Dave Airlie
From: Dave Airlie
2004-07-31athe patch below optimises the drm code to not do put_user() on memory theDave Airlie
kernel allocated and then mmap-installed to userspace, but instead makes it use the kernel virtual address directly instead. From: Arjan van de Ven <arjanv@redhat.com>
2004-07-29add read/write 16Dave Airlie
2004-07-29change to agp not pci ... still not workingDave Airlie
2004-07-29initial port of i915 to BSD, not finished doesn't work.. no idea why...Dave Airlie
2004-07-25check for __user if not there define itDave Airlie
2004-07-25sync up with current 2.6 kernel bk tree - mostly __user annotationsDave Airlie
2004-07-25whitespace merge with kernelDave Airlie
2004-07-25if the driver has already register don't do another intermodule registerDave Airlie
2004-07-25Patch from Tom Arbuckle for missing bus_addressDave Airlie
2004-07-23Correct a couple of packet length calculations.Keith Whitwell
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