drm: fix two issues with fb consolidation.
[safe/jmp/linux-2.6] / drivers / gpu / drm / i915 / i915_dma.c
index 2726143..c628c36 100644 (file)
@@ -29,6 +29,7 @@
 #include "drmP.h"
 #include "drm.h"
 #include "drm_crtc_helper.h"
+#include "drm_fb_helper.h"
 #include "intel_drv.h"
 #include "i915_drm.h"
 #include "i915_drv.h"
@@ -99,7 +100,7 @@ static int i915_init_phys_hws(struct drm_device *dev)
        memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
 
        I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
-       DRM_DEBUG("Enabled hardware status page\n");
+       DRM_DEBUG_DRIVER("Enabled hardware status page\n");
        return 0;
 }
 
@@ -185,7 +186,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
                master_priv->sarea_priv = (drm_i915_sarea_t *)
                        ((u8 *)master_priv->sarea->handle + init->sarea_priv_offset);
        } else {
-               DRM_DEBUG("sarea not found assuming DRI2 userspace\n");
+               DRM_DEBUG_DRIVER("sarea not found assuming DRI2 userspace\n");
        }
 
        if (init->ring_size != 0) {
@@ -235,7 +236,7 @@ static int i915_dma_resume(struct drm_device * dev)
 {
        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 
-       DRM_DEBUG("%s\n", __func__);
+       DRM_DEBUG_DRIVER("%s\n", __func__);
 
        if (dev_priv->ring.map.handle == NULL) {
                DRM_ERROR("can not ioremap virtual address for"
@@ -248,13 +249,14 @@ static int i915_dma_resume(struct drm_device * dev)
                DRM_ERROR("Can not find hardware status page\n");
                return -EINVAL;
        }
-       DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
+       DRM_DEBUG_DRIVER("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);
        else
                I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
-       DRM_DEBUG("Enabled hardware status page\n");
+       DRM_DEBUG_DRIVER("Enabled hardware status page\n");
 
        return 0;
 }
@@ -548,10 +550,10 @@ static int i915_dispatch_flip(struct drm_device * dev)
        if (!master_priv->sarea_priv)
                return -EINVAL;
 
-       DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n",
-                 __func__,
-                 dev_priv->current_page,
-                 master_priv->sarea_priv->pf_current_page);
+       DRM_DEBUG_DRIVER("%s: page=%d pfCurrentPage=%d\n",
+                         __func__,
+                        dev_priv->current_page,
+                        master_priv->sarea_priv->pf_current_page);
 
        i915_kernel_lost_context(dev);
 
@@ -629,8 +631,8 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
                return -EINVAL;
        }
 
-       DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n",
-                 batch->start, batch->used, batch->num_cliprects);
+       DRM_DEBUG_DRIVER("i915 batchbuffer, start %x used %d cliprects %d\n",
+                       batch->start, batch->used, batch->num_cliprects);
 
        RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
 
@@ -638,9 +640,9 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
                return -EINVAL;
 
        if (batch->num_cliprects) {
-               cliprects = drm_calloc(batch->num_cliprects,
-                                      sizeof(struct drm_clip_rect),
-                                      DRM_MEM_DRIVER);
+               cliprects = kcalloc(batch->num_cliprects,
+                                   sizeof(struct drm_clip_rect),
+                                   GFP_KERNEL);
                if (cliprects == NULL)
                        return -ENOMEM;
 
@@ -659,9 +661,7 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
                sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
 
 fail_free:
-       drm_free(cliprects,
-                batch->num_cliprects * sizeof(struct drm_clip_rect),
-                DRM_MEM_DRIVER);
+       kfree(cliprects);
 
        return ret;
 }
@@ -678,15 +678,15 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
        void *batch_data;
        int ret;
 
-       DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
-                 cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects);
+       DRM_DEBUG_DRIVER("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
+                       cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects);
 
        RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
 
        if (cmdbuf->num_cliprects < 0)
                return -EINVAL;
 
-       batch_data = drm_alloc(cmdbuf->sz, DRM_MEM_DRIVER);
+       batch_data = kmalloc(cmdbuf->sz, GFP_KERNEL);
        if (batch_data == NULL)
                return -ENOMEM;
 
@@ -695,9 +695,8 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
                goto fail_batch_free;
 
        if (cmdbuf->num_cliprects) {
-               cliprects = drm_calloc(cmdbuf->num_cliprects,
-                                      sizeof(struct drm_clip_rect),
-                                      DRM_MEM_DRIVER);
+               cliprects = kcalloc(cmdbuf->num_cliprects,
+                                   sizeof(struct drm_clip_rect), GFP_KERNEL);
                if (cliprects == NULL)
                        goto fail_batch_free;
 
@@ -713,18 +712,16 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
        mutex_unlock(&dev->struct_mutex);
        if (ret) {
                DRM_ERROR("i915_dispatch_cmdbuffer failed\n");
-               goto fail_batch_free;
+               goto fail_clip_free;
        }
 
        if (sarea_priv)
                sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
 
-fail_batch_free:
-       drm_free(batch_data, cmdbuf->sz, DRM_MEM_DRIVER);
 fail_clip_free:
-       drm_free(cliprects,
-                cmdbuf->num_cliprects * sizeof(struct drm_clip_rect),
-                DRM_MEM_DRIVER);
+       kfree(cliprects);
+fail_batch_free:
+       kfree(batch_data);
 
        return ret;
 }
@@ -734,7 +731,7 @@ static int i915_flip_bufs(struct drm_device *dev, void *data,
 {
        int ret;
 
-       DRM_DEBUG("%s\n", __func__);
+       DRM_DEBUG_DRIVER("%s\n", __func__);
 
        RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
 
@@ -777,7 +774,8 @@ static int i915_getparam(struct drm_device *dev, void *data,
                value = dev_priv->num_fence_regs - dev_priv->fence_reg_start;
                break;
        default:
-               DRM_DEBUG("Unknown parameter %d\n", param->param);
+               DRM_DEBUG_DRIVER("Unknown parameter %d\n",
+                                       param->param);
                return -EINVAL;
        }
 
@@ -817,7 +815,8 @@ static int i915_setparam(struct drm_device *dev, void *data,
                dev_priv->fence_reg_start = param->value;
                break;
        default:
-               DRM_DEBUG("unknown parameter %d\n", param->param);
+               DRM_DEBUG_DRIVER("unknown parameter %d\n",
+                                       param->param);
                return -EINVAL;
        }
 
@@ -843,7 +842,7 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
                return 0;
        }
 
-       printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws->addr);
+       DRM_DEBUG_DRIVER("set status page addr 0x%08x\n", (u32)hws->addr);
 
        dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12);
 
@@ -865,9 +864,10 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
 
        memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
        I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
-       DRM_DEBUG("load hws HWS_PGA with gfx mem 0x%x\n",
-                       dev_priv->status_gfx_addr);
-       DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page);
+       DRM_DEBUG_DRIVER("load hws HWS_PGA with gfx mem 0x%x\n",
+                               dev_priv->status_gfx_addr);
+       DRM_DEBUG_DRIVER("load hws at %p\n",
+                               dev_priv->hw_status_page);
        return 0;
 }
 
@@ -881,8 +881,8 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
  * some RAM for the framebuffer at early boot.  This code figures out
  * how much was set aside so we can use it for our own purposes.
  */
-static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
-                         unsigned long *preallocated_size)
+static int i915_probe_agp(struct drm_device *dev, uint32_t *aperture_size,
+                         uint32_t *preallocated_size)
 {
        struct pci_dev *bridge_dev;
        u16 tmp = 0;
@@ -922,7 +922,7 @@ static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
         * Some of the preallocated space is taken by the GTT
         * and popup.  GTT is 1K per MB of aperture size, and popup is 4K.
         */
-       if (IS_G4X(dev) || IS_IGD(dev))
+       if (IS_G4X(dev) || IS_IGD(dev) || IS_IGDNG(dev))
                overhead = 4096;
        else
                overhead = (*aperture_size / 1024) + 4096;
@@ -980,19 +980,14 @@ static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
        return 0;
 }
 
-static int i915_load_modeset_init(struct drm_device *dev)
+static int i915_load_modeset_init(struct drm_device *dev,
+                                 unsigned long prealloc_size,
+                                 unsigned long agp_size)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       unsigned long agp_size, prealloc_size;
        int fb_bar = IS_I9XX(dev) ? 2 : 0;
        int ret = 0;
 
-       dev->devname = kstrdup(DRIVER_NAME, GFP_KERNEL);
-       if (!dev->devname) {
-               ret = -ENOMEM;
-               goto out;
-       }
-
        dev->mode_config.fb_base = drm_get_resource_start(dev, fb_bar) &
                0xff000000;
 
@@ -1004,19 +999,23 @@ static int i915_load_modeset_init(struct drm_device *dev)
        if (IS_I965G(dev) || IS_G33(dev))
                dev_priv->cursor_needs_physical = false;
 
-       ret = i915_probe_agp(dev, &agp_size, &prealloc_size);
-       if (ret)
-               goto kfree_devname;
-
        /* Basic memrange allocator for stolen space (aka vram) */
        drm_mm_init(&dev_priv->vram, 0, prealloc_size);
 
-       /* Let GEM Manage from end of prealloc space to end of aperture */
-       i915_gem_do_init(dev, prealloc_size, agp_size);
+       /* Let GEM Manage from end of prealloc space to end of aperture.
+        *
+        * However, leave one page at the end still bound to the scratch page.
+        * There are a number of places where the hardware apparently
+        * prefetches past the end of the object, and we've seen multiple
+        * hangs with the GPU head pointer stuck in a batchbuffer bound
+        * at the last page of the aperture.  One page should be enough to
+        * keep any prefetching inside of the aperture.
+        */
+       i915_gem_do_init(dev, prealloc_size, agp_size - 4096);
 
        ret = i915_gem_init_ringbuffer(dev);
        if (ret)
-               goto kfree_devname;
+               goto out;
 
        /* Allow hardware batchbuffers unless told otherwise.
         */
@@ -1048,8 +1047,6 @@ static int i915_load_modeset_init(struct drm_device *dev)
 
 destroy_ringbuffer:
        i915_gem_cleanup_ringbuffer(dev);
-kfree_devname:
-       kfree(dev->devname);
 out:
        return ret;
 }
@@ -1058,7 +1055,7 @@ int i915_master_create(struct drm_device *dev, struct drm_master *master)
 {
        struct drm_i915_master_private *master_priv;
 
-       master_priv = drm_calloc(1, sizeof(*master_priv), DRM_MEM_DRIVER);
+       master_priv = kzalloc(sizeof(*master_priv), GFP_KERNEL);
        if (!master_priv)
                return -ENOMEM;
 
@@ -1073,11 +1070,49 @@ void i915_master_destroy(struct drm_device *dev, struct drm_master *master)
        if (!master_priv)
                return;
 
-       drm_free(master_priv, sizeof(*master_priv), DRM_MEM_DRIVER);
+       kfree(master_priv);
 
        master->driver_priv = NULL;
 }
 
+static void i915_get_mem_freq(struct drm_device *dev)
+{
+       drm_i915_private_t *dev_priv = dev->dev_private;
+       u32 tmp;
+
+       if (!IS_IGD(dev))
+               return;
+
+       tmp = I915_READ(CLKCFG);
+
+       switch (tmp & CLKCFG_FSB_MASK) {
+       case CLKCFG_FSB_533:
+               dev_priv->fsb_freq = 533; /* 133*4 */
+               break;
+       case CLKCFG_FSB_800:
+               dev_priv->fsb_freq = 800; /* 200*4 */
+               break;
+       case CLKCFG_FSB_667:
+               dev_priv->fsb_freq =  667; /* 167*4 */
+               break;
+       case CLKCFG_FSB_400:
+               dev_priv->fsb_freq = 400; /* 100*4 */
+               break;
+       }
+
+       switch (tmp & CLKCFG_MEM_MASK) {
+       case CLKCFG_MEM_533:
+               dev_priv->mem_freq = 533;
+               break;
+       case CLKCFG_MEM_667:
+               dev_priv->mem_freq = 667;
+               break;
+       case CLKCFG_MEM_800:
+               dev_priv->mem_freq = 800;
+               break;
+       }
+}
+
 /**
  * i915_driver_load - setup chip and create an initial config
  * @dev: DRM device
@@ -1094,6 +1129,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
        struct drm_i915_private *dev_priv = dev->dev_private;
        resource_size_t base, size;
        int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1;
+       uint32_t agp_size, prealloc_size;
 
        /* i915 has 4 more counters */
        dev->counters += 4;
@@ -1102,12 +1138,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
        dev->types[8] = _DRM_STAT_SECONDARY;
        dev->types[9] = _DRM_STAT_DMA;
 
-       dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER);
+       dev_priv = kzalloc(sizeof(drm_i915_private_t), GFP_KERNEL);
        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;
 
@@ -1144,17 +1178,35 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
                         "performance may suffer.\n");
        }
 
-#ifdef CONFIG_HIGHMEM64G
-       /* don't enable GEM on PAE - needs agp + set_memory_* interface fixes */
-       dev_priv->has_gem = 0;
-#else
+       ret = i915_probe_agp(dev, &agp_size, &prealloc_size);
+       if (ret)
+               goto out_iomapfree;
+
+       dev_priv->wq = create_workqueue("i915");
+       if (dev_priv->wq == NULL) {
+               DRM_ERROR("Failed to create our workqueue.\n");
+               ret = -ENOMEM;
+               goto out_iomapfree;
+       }
+
        /* enable GEM by default */
        dev_priv->has_gem = 1;
-#endif
+
+       if (prealloc_size > agp_size * 3 / 4) {
+               DRM_ERROR("Detected broken video BIOS with %d/%dkB of video "
+                         "memory stolen.\n",
+                         prealloc_size / 1024, agp_size / 1024);
+               DRM_ERROR("Disabling GEM. (try reducing stolen memory or "
+                         "updating the BIOS to fix).\n");
+               dev_priv->has_gem = 0;
+       }
 
        dev->driver->get_vblank_counter = i915_get_vblank_counter;
-       if (IS_GM45(dev))
+       dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
+       if (IS_G4X(dev) || IS_IGDNG(dev)) {
+               dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */
                dev->driver->get_vblank_counter = gm45_get_vblank_counter;
+       }
 
        i915_gem_load(dev);
 
@@ -1162,9 +1214,11 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
        if (!I915_NEED_GFX_HWS(dev)) {
                ret = i915_init_phys_hws(dev);
                if (ret != 0)
-                       goto out_iomapfree;
+                       goto out_workqueue_free;
        }
 
+       i915_get_mem_freq(dev);
+
        /* On the 945G/GM, the chipset reports the MSI capability on the
         * integrated graphics even though the support isn't actually there
         * according to the published specs.  It doesn't appear to function
@@ -1180,6 +1234,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
                pci_enable_msi(dev->pdev);
 
        spin_lock_init(&dev_priv->user_irq_lock);
+       spin_lock_init(&dev_priv->error_lock);
        dev_priv->user_irq_refcount = 0;
 
        ret = drm_vblank_init(dev, I915_NUM_PIPE);
@@ -1190,24 +1245,28 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
        }
 
        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
-               ret = i915_load_modeset_init(dev);
+               ret = i915_load_modeset_init(dev, prealloc_size, agp_size);
                if (ret < 0) {
                        DRM_ERROR("failed to init modeset\n");
-                       goto out_rmmap;
+                       goto out_workqueue_free;
                }
        }
 
        /* Must be done after probing outputs */
-       intel_opregion_init(dev, 0);
+       /* FIXME: verify on IGDNG */
+       if (!IS_IGDNG(dev))
+               intel_opregion_init(dev, 0);
 
        return 0;
 
+out_workqueue_free:
+       destroy_workqueue(dev_priv->wq);
 out_iomapfree:
        io_mapping_free(dev_priv->mm.gtt_mapping);
 out_rmmap:
        iounmap(dev_priv->regs);
 free_priv:
-       drm_free(dev_priv, sizeof(struct drm_i915_private), DRM_MEM_DRIVER);
+       kfree(dev_priv);
        return ret;
 }
 
@@ -1215,6 +1274,8 @@ int i915_driver_unload(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
 
+       destroy_workqueue(dev_priv->wq);
+
        io_mapping_free(dev_priv->mm.gtt_mapping);
        if (dev_priv->mm.gtt_mtrr >= 0) {
                mtrr_del(dev_priv->mm.gtt_mtrr, dev->agp->base,
@@ -1232,7 +1293,8 @@ int i915_driver_unload(struct drm_device *dev)
        if (dev_priv->regs != NULL)
                iounmap(dev_priv->regs);
 
-       intel_opregion_free(dev, 0);
+       if (!IS_IGDNG(dev))
+               intel_opregion_free(dev, 0);
 
        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
                intel_modeset_cleanup(dev);
@@ -1246,8 +1308,7 @@ int i915_driver_unload(struct drm_device *dev)
                i915_gem_lastclose(dev);
        }
 
-       drm_free(dev->dev_private, sizeof(drm_i915_private_t),
-                DRM_MEM_DRIVER);
+       kfree(dev->dev_private);
 
        return 0;
 }
@@ -1256,17 +1317,16 @@ int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv)
 {
        struct drm_i915_file_private *i915_file_priv;
 
-       DRM_DEBUG("\n");
+       DRM_DEBUG_DRIVER("\n");
        i915_file_priv = (struct drm_i915_file_private *)
-           drm_alloc(sizeof(*i915_file_priv), DRM_MEM_FILES);
+           kmalloc(sizeof(*i915_file_priv), GFP_KERNEL);
 
        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;
+       INIT_LIST_HEAD(&i915_file_priv->mm.request_list);
 
        return 0;
 }
@@ -1288,7 +1348,7 @@ void i915_driver_lastclose(struct drm_device * dev)
        drm_i915_private_t *dev_priv = dev->dev_private;
 
        if (!dev_priv || drm_core_check_feature(dev, DRIVER_MODESET)) {
-               intelfb_restore();
+               drm_fb_helper_restore();
                return;
        }
 
@@ -1303,6 +1363,7 @@ void i915_driver_lastclose(struct drm_device * dev)
 void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
+       i915_gem_release(dev, file_priv);
        if (!drm_core_check_feature(dev, DRIVER_MODESET))
                i915_mem_release(dev, file_priv, dev_priv->agp_heap);
 }
@@ -1311,7 +1372,7 @@ 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);
+       kfree(i915_file_priv);
 }
 
 struct drm_ioctl_desc i915_ioctls[] = {
@@ -1350,6 +1411,7 @@ struct drm_ioctl_desc i915_ioctls[] = {
        DRM_IOCTL_DEF(DRM_I915_GEM_SET_TILING, i915_gem_set_tiling, 0),
        DRM_IOCTL_DEF(DRM_I915_GEM_GET_TILING, i915_gem_get_tiling, 0),
        DRM_IOCTL_DEF(DRM_I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, 0),
+       DRM_IOCTL_DEF(DRM_I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, 0),
 };
 
 int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);