renesas/drm.git - libdrm, cloned from git://anongit.freedesktop.org/mesa/drm

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author	Jerome Glisse <glisse@freedesktop.org>	2008-11-16 18:11:00 +0100
committer	Jerome Glisse <glisse@freedesktop.org>	2008-11-16 18:11:00 +0100
commit	7270731a8b7ebe11fe6df4f368c2ed613a530b52 (patch)
tree	8fc2affe872610dfe08c77e9173e9781256d69c4 /shared-core/savage_drm.h
parent	c0ba14fd90e7495d5634c1ce0a9fb5be26230010 (diff)

radeon: protect cs ioctl atomic part with a mutex

A small subset of CS need to be atomic (relocation+IB commit to ring) right now, because of the way relocation are handled, we need to protect the whole ioctl.

Diffstat (limited to 'shared-core/savage_drm.h')

0 files changed, 0 insertions, 0 deletions

/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*- */ /* * * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * 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 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 TUNGSTEN GRAPHICS AND/OR ITS 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. * */ #include "drmP.h" #include "drm.h" #include "i915_drm.h" #include "i915_drv.h" #include "drm_pciids.h" static struct pci_device_id pciidlist[] = { i915_PCI_IDS }; #ifdef I915_HAVE_FENCE static struct drm_fence_driver i915_fence_driver = { .num_classes = 1, .wrap_diff = (1U << (BREADCRUMB_BITS - 1)), .flush_diff = (1U << (BREADCRUMB_BITS - 2)), .sequence_mask = BREADCRUMB_MASK, .lazy_capable = 1, .emit = i915_fence_emit_sequence, .poke_flush = i915_poke_flush, .has_irq = i915_fence_has_irq, }; #endif #ifdef I915_HAVE_BUFFER static uint32_t i915_mem_prios[] = {DRM_BO_MEM_PRIV0, DRM_BO_MEM_TT, DRM_BO_MEM_LOCAL}; static uint32_t i915_busy_prios[] = {DRM_BO_MEM_TT, DRM_BO_MEM_PRIV0, DRM_BO_MEM_LOCAL}; static struct drm_bo_driver i915_bo_driver = { .mem_type_prio = i915_mem_prios, .mem_busy_prio = i915_busy_prios, .num_mem_type_prio = sizeof(i915_mem_prios)/sizeof(uint32_t), .num_mem_busy_prio = sizeof(i915_busy_prios)/sizeof(uint32_t), .create_ttm_backend_entry = i915_create_ttm_backend_entry, .fence_type = i915_fence_types, .invalidate_caches = i915_invalidate_caches, .init_mem_type = i915_init_mem_type, .evict_mask = i915_evict_mask, .move = i915_move, }; #endif static int probe(struct pci_dev *pdev, const struct pci_device_id *ent); static struct drm_driver driver = { /* don't use mtrr's here, the Xserver or user space app should * deal with them for intel hardware. */ .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR | */ DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL | DRIVER_IRQ_VBL2, .load = i915_driver_load, .firstopen = i915_driver_firstopen, .lastclose = i915_driver_lastclose, .preclose = i915_driver_preclose, .device_is_agp = i915_driver_device_is_agp, .vblank_wait = i915_driver_vblank_wait, .vblank_wait2 = i915_driver_vblank_wait2, .irq_preinstall = i915_driver_irq_preinstall, .irq_postinstall = i915_driver_irq_postinstall, .irq_uninstall = i915_driver_irq_uninstall, .irq_handler = i915_driver_irq_handler, .reclaim_buffers = drm_core_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, .ioctls = i915_ioctls, .fops = { .owner = THIS_MODULE, .open = drm_open, .release = drm_release, .ioctl = drm_ioctl, .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, #if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9) .compat_ioctl = i915_compat_ioctl, #endif }, .pci_driver = { .name = DRIVER_NAME, .id_table = pciidlist, .probe = probe, .remove = __devexit_p(drm_cleanup_pci), }, #ifdef I915_HAVE_FENCE .fence_driver = &i915_fence_driver, #endif #ifdef I915_HAVE_BUFFER .bo_driver = &i915_bo_driver, #endif .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, }; static int probe(struct pci_dev *pdev, const struct pci_device_id *ent) { return drm_get_dev(pdev, ent, &driver); } static int __init i915_init(void) { driver.num_ioctls = i915_max_ioctl; return drm_init(&driver, pciidlist); } static void __exit i915_exit(void) { drm_exit(&driver); } module_init(i915_init); module_exit(i915_exit); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL and additional rights");


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