diff options
Diffstat (limited to 'shared-core/i915_dma.c')
-rw-r--r-- | shared-core/i915_dma.c | 459 |
1 files changed, 334 insertions, 125 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index 6350d21a..29a0a1aa 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -38,8 +38,8 @@ */ int i915_wait_ring(struct drm_device * dev, int n, const char *caller) { - struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_i915_ring_buffer *ring = &(dev_priv->ring); + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_ring_buffer_t *ring = &(dev_priv->ring); u32 last_head = I915_READ(PRB0_HEAD) & HEAD_ADDR; u32 acthd_reg = IS_I965G(dev) ? ACTHD_I965 : ACTHD; u32 last_acthd = I915_READ(acthd_reg); @@ -69,6 +69,52 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller) return -EBUSY; } +int i915_init_hardware_status(struct drm_device *dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + drm_dma_handle_t *dmah; + + /* Program Hardware Status Page */ +#ifdef __FreeBSD__ + DRM_UNLOCK(); +#endif + dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff); +#ifdef __FreeBSD__ + DRM_LOCK(); +#endif + if (!dmah) { + DRM_ERROR("Can not allocate hardware status page\n"); + return -ENOMEM; + } + + dev_priv->status_page_dmah = dmah; + dev_priv->hw_status_page = dmah->vaddr; + dev_priv->dma_status_page = dmah->busaddr; + + memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + + I915_WRITE(0x02080, dev_priv->dma_status_page); + DRM_DEBUG("Enabled hardware status page\n"); + return 0; +} + +void i915_free_hardware_status(struct drm_device *dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + if (dev_priv->status_page_dmah) { + drm_pci_free(dev, dev_priv->status_page_dmah); + dev_priv->status_page_dmah = NULL; + /* Need to rewrite hardware status page */ + I915_WRITE(0x02080, 0x1ffff000); + } + + if (dev_priv->status_gfx_addr) { + dev_priv->status_gfx_addr = 0; + drm_core_ioremapfree(&dev_priv->hws_map, dev); + I915_WRITE(0x02080, 0x1ffff000); + } +} + #if I915_RING_VALIDATE /** * Validate the cached ring tail value @@ -79,7 +125,7 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller) */ void i915_ring_validate(struct drm_device *dev, const char *func, int line) { - struct drm_i915_private *dev_priv = dev->dev_private; + drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_ring_buffer_t *ring = &(dev_priv->ring); u32 tail = I915_READ(PRB0_TAIL) & HEAD_ADDR; u32 head = I915_READ(PRB0_HEAD) & HEAD_ADDR; @@ -97,13 +143,8 @@ void i915_ring_validate(struct drm_device *dev, const char *func, int line) void i915_kernel_lost_context(struct drm_device * dev) { - struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_i915_ring_buffer *ring = &(dev_priv->ring); - - /* we should never lose context on the ring with modesetting - * as we don't expose it to userspace */ - if (drm_core_check_feature(dev, DRIVER_MODESET)) - return; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_ring_buffer_t *ring = &(dev_priv->ring); ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR; ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR; @@ -112,13 +153,9 @@ void i915_kernel_lost_context(struct drm_device * dev) ring->space += ring->Size; } -int i915_dma_cleanup(struct drm_device * dev) +static int i915_dma_cleanup(struct drm_device * dev) { - struct drm_i915_private *dev_priv = dev->dev_private; - - if (drm_core_check_feature(dev, DRIVER_MODESET)) - return 0; - + drm_i915_private_t *dev_priv = dev->dev_private; /* Make sure interrupts are disabled here because the uninstall ioctl * may not have been called from userspace and after dev_private * is freed, it's too late. @@ -126,18 +163,20 @@ int i915_dma_cleanup(struct drm_device * dev) if (dev->irq_enabled) drm_irq_uninstall(dev); - if (dev_priv->ring.virtual_start) { - drm_core_ioremapfree(&dev_priv->ring.map, dev); - dev_priv->ring.virtual_start = 0; - dev_priv->ring.map.handle = 0; - dev_priv->ring.map.size = 0; - dev_priv->ring.Size = 0; - } + if (dev_priv->ring.virtual_start) { + drm_core_ioremapfree(&dev_priv->ring.map, dev); + dev_priv->ring.virtual_start = 0; + dev_priv->ring.map.handle = 0; + dev_priv->ring.map.size = 0; + } + + if (I915_NEED_GFX_HWS(dev)) + i915_free_hardware_status(dev); return 0; } -#if defined(DRI2) +#if defined(I915_HAVE_BUFFER) #define DRI2_SAREA_BLOCK_TYPE(b) ((b) >> 16) #define DRI2_SAREA_BLOCK_SIZE(b) ((b) & 0xffff) #define DRI2_SAREA_BLOCK_NEXT(p) \ @@ -153,7 +192,7 @@ setup_dri2_sarea(struct drm_device * dev, struct drm_file *file_priv, drm_i915_init_t * init) { - struct drm_i915_private *dev_priv = dev->dev_private; + drm_i915_private_t *dev_priv = dev->dev_private; int ret; unsigned int *p, *end, *next; @@ -181,8 +220,8 @@ setup_dri2_sarea(struct drm_device * dev, while (p < end && DRI2_SAREA_BLOCK_TYPE(*p) != DRI2_SAREA_BLOCK_END) { switch (DRI2_SAREA_BLOCK_TYPE(*p)) { case DRI2_SAREA_BLOCK_LOCK: - dev->primary->master->lock.hw_lock = (void *) (p + 1); - dev->sigdata.lock = dev->primary->master->lock.hw_lock; + dev->lock.hw_lock = (void *) (p + 1); + dev->sigdata.lock = dev->lock.hw_lock; break; } next = DRI2_SAREA_BLOCK_NEXT(p); @@ -202,28 +241,40 @@ static int i915_initialize(struct drm_device * dev, struct drm_file *file_priv, drm_i915_init_t * init) { - struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; + drm_i915_private_t *dev_priv = dev->dev_private; +#if defined(I915_HAVE_BUFFER) + int ret; +#endif + dev_priv->sarea = drm_getsarea(dev); + if (!dev_priv->sarea) { + DRM_ERROR("can not find sarea!\n"); + i915_dma_cleanup(dev); + return -EINVAL; + } - if (!drm_core_check_feature(dev, DRIVER_MODESET)) { - if (init->mmio_offset != 0) - dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); - if (!dev_priv->mmio_map) { - i915_dma_cleanup(dev); - DRM_ERROR("can not find mmio map!\n"); - return -EINVAL; - } +#ifdef I915_HAVE_BUFFER + dev_priv->max_validate_buffers = I915_MAX_VALIDATE_BUFFERS; +#endif + + if (init->sarea_priv_offset) + dev_priv->sarea_priv = (drm_i915_sarea_t *) + ((u8 *) dev_priv->sarea->handle + + init->sarea_priv_offset); + else { + /* No sarea_priv for you! */ + dev_priv->sarea_priv = NULL; } - if (init->ring_size != 0) { dev_priv->ring.Size = init->ring_size; dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; + dev_priv->ring.map.offset = init->ring_start; dev_priv->ring.map.size = init->ring_size; dev_priv->ring.map.type = 0; dev_priv->ring.map.flags = 0; dev_priv->ring.map.mtrr = 0; + drm_core_ioremap(&dev_priv->ring.map, dev); if (dev_priv->ring.map.handle == NULL) { @@ -232,11 +283,14 @@ static int i915_initialize(struct drm_device * dev, " ring buffer\n"); return -ENOMEM; } + dev_priv->ring.virtual_start = dev_priv->ring.map.handle; } dev_priv->cpp = init->cpp; - master_priv->sarea_priv->pf_current_page = 0; + + if (dev_priv->sarea_priv) + dev_priv->sarea_priv->pf_current_page = 0; /* We are using separate values as placeholders for mechanisms for * private backbuffer/depthbuffer usage. @@ -250,28 +304,33 @@ static int i915_initialize(struct drm_device * dev, */ dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A; -#ifdef DRI2 +#ifdef I915_HAVE_BUFFER + mutex_init(&dev_priv->cmdbuf_mutex); +#endif +#if defined(I915_HAVE_BUFFER) if (init->func == I915_INIT_DMA2) { - int ret = setup_dri2_sarea(dev, file_priv, init); + ret = setup_dri2_sarea(dev, file_priv, init); if (ret) { i915_dma_cleanup(dev); DRM_ERROR("could not set up dri2 sarea\n"); return ret; } } -#endif /* DRI2 */ +#endif return 0; } static int i915_dma_resume(struct drm_device * dev) { - struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; DRM_DEBUG("\n"); - if (drm_core_check_feature(dev, DRIVER_MODESET)) - return 0; + if (!dev_priv->sarea) { + DRM_ERROR("can not find sarea!\n"); + return -EINVAL; + } if (dev_priv->ring.map.handle == NULL) { DRM_ERROR("can not ioremap virtual address for" @@ -287,9 +346,9 @@ static int i915_dma_resume(struct drm_device * dev) DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); if (dev_priv->status_gfx_addr != 0) - I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); + I915_WRITE(0x02080, dev_priv->status_gfx_addr); else - I915_WRITE(HWS_PGA, dev_priv->dma_status_page); + I915_WRITE(0x02080, dev_priv->dma_status_page); DRM_DEBUG("Enabled hardware status page\n"); return 0; @@ -298,7 +357,7 @@ static int i915_dma_resume(struct drm_device * dev) static int i915_dma_init(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_i915_init *init = data; + drm_i915_init_t *init = data; int retcode = 0; switch (init->func) { @@ -399,7 +458,7 @@ static int validate_cmd(int cmd) static int i915_emit_cmds(struct drm_device *dev, int __user *buffer, int dwords) { - struct drm_i915_private *dev_priv = dev->dev_private; + drm_i915_private_t *dev_priv = dev->dev_private; int i; RING_LOCALS; @@ -440,7 +499,7 @@ int i915_emit_box(struct drm_device * dev, struct drm_clip_rect __user * boxes, int i, int DR1, int DR4) { - struct drm_i915_private *dev_priv = dev->dev_private; + drm_i915_private_t *dev_priv = dev->dev_private; struct drm_clip_rect box; RING_LOCALS; @@ -481,8 +540,7 @@ int i915_emit_box(struct drm_device * dev, void i915_emit_breadcrumb(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; + drm_i915_private_t *dev_priv = dev->dev_private; RING_LOCALS; if (++dev_priv->counter > BREADCRUMB_MASK) { @@ -490,7 +548,8 @@ void i915_emit_breadcrumb(struct drm_device *dev) DRM_DEBUG("Breadcrumb counter wrapped around\n"); } - master_priv->sarea_priv->last_enqueue = dev_priv->counter; + if (dev_priv->sarea_priv) + dev_priv->sarea_priv->last_enqueue = dev_priv->counter; BEGIN_LP_RING(4); OUT_RING(MI_STORE_DWORD_INDEX); @@ -503,7 +562,7 @@ void i915_emit_breadcrumb(struct drm_device *dev) int i915_emit_mi_flush(struct drm_device *dev, uint32_t flush) { - struct drm_i915_private *dev_priv = dev->dev_private; + drm_i915_private_t *dev_priv = dev->dev_private; uint32_t flush_cmd = MI_FLUSH; RING_LOCALS; @@ -523,8 +582,11 @@ int i915_emit_mi_flush(struct drm_device *dev, uint32_t flush) static int i915_dispatch_cmdbuffer(struct drm_device * dev, - struct drm_i915_cmdbuffer * cmd) + drm_i915_cmdbuffer_t * cmd) { +#ifdef I915_HAVE_FENCE + drm_i915_private_t *dev_priv = dev->dev_private; +#endif int nbox = cmd->num_cliprects; int i = 0, count, ret; @@ -551,13 +613,17 @@ static int i915_dispatch_cmdbuffer(struct drm_device * dev, } i915_emit_breadcrumb(dev); +#ifdef I915_HAVE_FENCE + if (unlikely((dev_priv->counter & 0xFF) == 0)) + drm_fence_flush_old(dev, 0, dev_priv->counter); +#endif return 0; } int i915_dispatch_batchbuffer(struct drm_device * dev, drm_i915_batchbuffer_t * batch) { - struct drm_i915_private *dev_priv = dev->dev_private; + drm_i915_private_t *dev_priv = dev->dev_private; struct drm_clip_rect __user *boxes = batch->cliprects; int nbox = batch->num_cliprects; int i = 0, count; @@ -601,44 +667,47 @@ int i915_dispatch_batchbuffer(struct drm_device * dev, } i915_emit_breadcrumb(dev); +#ifdef I915_HAVE_FENCE + if (unlikely((dev_priv->counter & 0xFF) == 0)) + drm_fence_flush_old(dev, 0, dev_priv->counter); +#endif return 0; } static void i915_do_dispatch_flip(struct drm_device * dev, int plane, int sync) { - struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; + drm_i915_private_t *dev_priv = dev->dev_private; u32 num_pages, current_page, next_page, dspbase; int shift = 2 * plane, x, y; RING_LOCALS; /* Calculate display base offset */ - num_pages = master_priv->sarea_priv->third_handle ? 3 : 2; - current_page = (master_priv->sarea_priv->pf_current_page >> shift) & 0x3; + num_pages = dev_priv->sarea_priv->third_handle ? 3 : 2; + current_page = (dev_priv->sarea_priv->pf_current_page >> shift) & 0x3; next_page = (current_page + 1) % num_pages; switch (next_page) { default: case 0: - dspbase = master_priv->sarea_priv->front_offset; + dspbase = dev_priv->sarea_priv->front_offset; break; case 1: - dspbase = master_priv->sarea_priv->back_offset; + dspbase = dev_priv->sarea_priv->back_offset; break; case 2: - dspbase = master_priv->sarea_priv->third_offset; + dspbase = dev_priv->sarea_priv->third_offset; break; } if (plane == 0) { - x = master_priv->sarea_priv->planeA_x; - y = master_priv->sarea_priv->planeA_y; + x = dev_priv->sarea_priv->planeA_x; + y = dev_priv->sarea_priv->planeA_y; } else { - x = master_priv->sarea_priv->planeB_x; - y = master_priv->sarea_priv->planeB_y; + x = dev_priv->sarea_priv->planeB_x; + y = dev_priv->sarea_priv->planeB_y; } - dspbase += (y * master_priv->sarea_priv->pitch + x) * dev_priv->cpp; + dspbase += (y * dev_priv->sarea_priv->pitch + x) * dev_priv->cpp; DRM_DEBUG("plane=%d current_page=%d dspbase=0x%x\n", plane, current_page, dspbase); @@ -649,21 +718,21 @@ static void i915_do_dispatch_flip(struct drm_device * dev, int plane, int sync) MI_WAIT_FOR_PLANE_A_FLIP))); OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | (sync ? 0 : ASYNC_FLIP) | (plane ? DISPLAY_PLANE_B : DISPLAY_PLANE_A)); - OUT_RING(master_priv->sarea_priv->pitch * dev_priv->cpp); + OUT_RING(dev_priv->sarea_priv->pitch * dev_priv->cpp); OUT_RING(dspbase); ADVANCE_LP_RING(); - master_priv->sarea_priv->pf_current_page &= ~(0x3 << shift); - master_priv->sarea_priv->pf_current_page |= next_page << shift; + dev_priv->sarea_priv->pf_current_page &= ~(0x3 << shift); + dev_priv->sarea_priv->pf_current_page |= next_page << shift; } void i915_dispatch_flip(struct drm_device * dev, int planes, int sync) { - struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; + drm_i915_private_t *dev_priv = dev->dev_private; int i; DRM_DEBUG("planes=0x%x pfCurrentPage=%d\n", - planes, master_priv->sarea_priv->pf_current_page); + planes, dev_priv->sarea_priv->pf_current_page); i915_emit_mi_flush(dev, MI_READ_FLUSH | MI_EXE_FLUSH); @@ -672,11 +741,15 @@ void i915_dispatch_flip(struct drm_device * dev, int planes, int sync) i915_do_dispatch_flip(dev, i, sync); i915_emit_breadcrumb(dev); +#ifdef I915_HAVE_FENCE + if (unlikely(!sync && ((dev_priv->counter & 0xFF) == 0))) + drm_fence_flush_old(dev, 0, dev_priv->counter); +#endif } int i915_quiescent(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; + drm_i915_private_t *dev_priv = dev->dev_private; int ret; i915_kernel_lost_context(dev); @@ -704,10 +777,9 @@ static int i915_flush_ioctl(struct drm_device *dev, void *data, static int i915_batchbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; - struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) - master_priv->sarea_priv; + dev_priv->sarea_priv; drm_i915_batchbuffer_t *batch = data; int ret; @@ -735,11 +807,10 @@ static int i915_batchbuffer(struct drm_device *dev, void *data, static int i915_cmdbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; - struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; - struct drm_i915_sarea *sarea_priv = (struct drm_i915_sarea *) - master_priv->sarea_priv; - struct drm_i915_cmdbuffer *cmdbuf = data; + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) + dev_priv->sarea_priv; + drm_i915_cmdbuffer_t *cmdbuf = data; int ret; DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n", @@ -771,22 +842,21 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data, #define DRM_DEBUG_RELOCATION 0 #endif -int i915_do_cleanup_pageflip(struct drm_device * dev) +static int i915_do_cleanup_pageflip(struct drm_device * dev) { - struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; - int i, planes, num_pages; + drm_i915_private_t *dev_priv = dev->dev_private; + int i, planes, num_pages = dev_priv->sarea_priv->third_handle ? 3 : 2; DRM_DEBUG("\n"); - num_pages = master_priv->sarea_priv->third_handle ? 3 : 2; - for (i = 0, planes = 0; i < 2; i++) { - if (master_priv->sarea_priv->pf_current_page & (0x3 << (2 * i))) { - master_priv->sarea_priv->pf_current_page = - (master_priv->sarea_priv->pf_current_page & + + for (i = 0, planes = 0; i < 2; i++) + if (dev_priv->sarea_priv->pf_current_page & (0x3 << (2 * i))) { + dev_priv->sarea_priv->pf_current_page = + (dev_priv->sarea_priv->pf_current_page & ~(0x3 << (2 * i))) | ((num_pages - 1) << (2 * i)); planes |= 1 << i; } - } if (planes) i915_dispatch_flip(dev, planes, 0); @@ -796,7 +866,7 @@ int i915_do_cleanup_pageflip(struct drm_device * dev) static int i915_flip_bufs(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_i915_flip *param = data; + drm_i915_flip_t *param = data; DRM_DEBUG("\n"); @@ -818,8 +888,8 @@ static int i915_flip_bufs(struct drm_device *dev, void *data, struct drm_file *f static int i915_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_i915_getparam *param = data; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_getparam_t *param = data; int value; if (!dev_priv) { @@ -863,7 +933,7 @@ static int i915_getparam(struct drm_device *dev, void *data, static int i915_setparam(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; + drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_setparam_t *param = data; if (!dev_priv) { @@ -893,26 +963,6 @@ drm_i915_mmio_entry_t mmio_table[] = { I915_MMIO_MAY_READ|I915_MMIO_MAY_WRITE, 0x2350, 8 - }, - [MMIO_REGS_DOVSTA] = { - I915_MMIO_MAY_READ, - 0x30008, - 1 - }, - [MMIO_REGS_GAMMA] = { - I915_MMIO_MAY_READ|I915_MMIO_MAY_WRITE, - 0x30010, - 6 - }, - [MMIO_REGS_FENCE] = { - I915_MMIO_MAY_READ|I915_MMIO_MAY_WRITE, - 0x2000, - 8 - }, - [MMIO_REGS_FENCE_NEW] = { - I915_MMIO_MAY_READ|I915_MMIO_MAY_WRITE, - 0x3000, - 16 } }; @@ -922,8 +972,8 @@ static int i915_mmio(struct drm_device *dev, void *data, struct drm_file *file_priv) { uint32_t buf[8]; - struct drm_i915_private *dev_priv = dev->dev_private; - drm_i915_mmio_entry_t *e; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_mmio_entry_t *e; drm_i915_mmio_t *mmio = data; void __iomem *base; int i; @@ -968,7 +1018,7 @@ static int i915_mmio(struct drm_device *dev, void *data, static int i915_set_status_page(struct drm_device *dev, void *data, struct drm_file *file_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; + drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_hws_addr_t *hws = data; if (!I915_NEED_GFX_HWS(dev)) @@ -978,10 +1028,6 @@ static int i915_set_status_page(struct drm_device *dev, void *data, DRM_ERROR("called with no initialization\n"); return -EINVAL; } - - if (drm_core_check_feature(dev, DRIVER_MODESET)) - return 0; - DRM_DEBUG("set status page addr 0x%08x\n", (u32)hws->addr); dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12); @@ -1000,24 +1046,180 @@ static int i915_set_status_page(struct drm_device *dev, void *data, " G33 hw status page\n"); return -ENOMEM; } - dev_priv->hw_status_page = dev_priv->hws_map.handle; memset(dev_priv->hw_status_page, 0, PAGE_SIZE); I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); + DRM_DEBUG("load hws 0x2080 with gfx mem 0x%x\n", + dev_priv->status_gfx_addr); DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page); return 0; } +int i915_driver_load(struct drm_device *dev, unsigned long flags) +{ + struct drm_i915_private *dev_priv; + unsigned long base, size; + int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1; + + /* i915 has 4 more counters */ + dev->counters += 4; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + dev->types[9] = _DRM_STAT_DMA; + + dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER); + if (dev_priv == NULL) + return -ENOMEM; + + memset(dev_priv, 0, sizeof(drm_i915_private_t)); + + dev->dev_private = (void *)dev_priv; + dev_priv->dev = dev; + + /* Add register map (needed for suspend/resume) */ + base = drm_get_resource_start(dev, mmio_bar); + size = drm_get_resource_len(dev, mmio_bar); + + ret = drm_addmap(dev, base, size, _DRM_REGISTERS, + _DRM_KERNEL | _DRM_DRIVER, &dev_priv->mmio_map); +#ifdef I915_HAVE_GEM + i915_gem_load(dev); +#endif + DRM_SPININIT(&dev_priv->swaps_lock, "swap"); + DRM_SPININIT(&dev_priv->user_irq_lock, "userirq"); + +#ifdef __linux__ +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25) + intel_init_chipset_flush_compat(dev); +#endif +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,25) + intel_opregion_init(dev); +#endif +#endif + + /* Init HWS */ + if (!I915_NEED_GFX_HWS(dev)) { + ret = i915_init_hardware_status(dev); + if(ret) + return ret; + } + + return ret; +} + +int i915_driver_unload(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + i915_free_hardware_status(dev); + + drm_rmmap(dev, dev_priv->mmio_map); + + DRM_SPINUNINIT(&dev_priv->swaps_lock); + DRM_SPINUNINIT(&dev_priv->user_irq_lock); + +#ifdef __linux__ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,25) + intel_opregion_free(dev); +#endif +#endif + + drm_free(dev->dev_private, sizeof(drm_i915_private_t), + DRM_MEM_DRIVER); + dev->dev_private = NULL; + +#ifdef __linux__ +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25) + intel_fini_chipset_flush_compat(dev); +#endif +#endif + return 0; +} + +void i915_driver_lastclose(struct drm_device * dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + + /* agp off can use this to get called before dev_priv */ + if (!dev_priv) + return; + +#ifdef I915_HAVE_BUFFER + if (dev_priv->val_bufs) { + vfree(dev_priv->val_bufs); + dev_priv->val_bufs = NULL; + } +#endif +#ifdef I915_HAVE_GEM + i915_gem_lastclose(dev); +#endif + if (drm_getsarea(dev) && dev_priv->sarea_priv) + i915_do_cleanup_pageflip(dev); + if (dev_priv->sarea_priv) + dev_priv->sarea_priv = NULL; + if (dev_priv->agp_heap) + i915_mem_takedown(&(dev_priv->agp_heap)); +#if defined(I915_HAVE_BUFFER) + if (dev_priv->sarea_kmap.virtual) { + drm_bo_kunmap(&dev_priv->sarea_kmap); + dev_priv->sarea_kmap.virtual = NULL; + dev->lock.hw_lock = NULL; + dev->sigdata.lock = NULL; + } + + if (dev_priv->sarea_bo) { + mutex_lock(&dev->struct_mutex); + drm_bo_usage_deref_locked(&dev_priv->sarea_bo); + mutex_unlock(&dev->struct_mutex); + dev_priv->sarea_bo = NULL; + } +#endif + i915_dma_cleanup(dev); +} + +int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv) +{ + struct drm_i915_file_private *i915_file_priv; + + DRM_DEBUG("\n"); + i915_file_priv = (struct drm_i915_file_private *) + drm_alloc(sizeof(*i915_file_priv), DRM_MEM_FILES); + + if (!i915_file_priv) + return -ENOMEM; + + file_priv->driver_priv = i915_file_priv; + + i915_file_priv->mm.last_gem_seqno = 0; + i915_file_priv->mm.last_gem_throttle_seqno = 0; + + return 0; +} + +void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + i915_mem_release(dev, file_priv, dev_priv->agp_heap); +} + +void i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv) +{ + struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv; + + drm_free(i915_file_priv, sizeof(*i915_file_priv), DRM_MEM_FILES); +} + struct drm_ioctl_desc i915_ioctls[] = { - DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER), + DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_I915_FLUSH, i915_flush_ioctl, DRM_AUTH), DRM_IOCTL_DEF(DRM_I915_FLIP, i915_flip_bufs, DRM_AUTH), DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, i915_batchbuffer, DRM_AUTH), DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, i915_irq_emit, DRM_AUTH), DRM_IOCTL_DEF(DRM_I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH), DRM_IOCTL_DEF(DRM_I915_GETPARAM, i915_getparam, DRM_AUTH), - DRM_IOCTL_DEF(DRM_I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER), + DRM_IOCTL_DEF(DRM_I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_I915_ALLOC, i915_mem_alloc, DRM_AUTH), DRM_IOCTL_DEF(DRM_I915_FREE, i915_mem_free, DRM_AUTH), DRM_IOCTL_DEF(DRM_I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), @@ -1069,3 +1271,10 @@ int i915_driver_device_is_agp(struct drm_device * dev) return 1; } +int i915_driver_firstopen(struct drm_device *dev) +{ +#ifdef I915_HAVE_BUFFER + drm_bo_driver_init(dev); +#endif + return 0; +} |