#include "i915_drm.h"
#include "i915_drv.h"
#include "i915_trace.h"
+#include "../../../platform/x86/intel_ips.h"
#include <linux/pci.h>
#include <linux/vgaarb.h>
#include <linux/acpi.h>
#include <linux/pnp.h>
#include <linux/vga_switcheroo.h>
#include <linux/slab.h>
-
-extern int intel_max_stolen; /* from AGP driver */
+#include <acpi/video.h>
/**
* Sets up the hardware status page for devices that need a physical address
static int i915_init_phys_hws(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
+
/* Program Hardware Status Page */
dev_priv->status_page_dmah =
drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE);
DRM_ERROR("Can not allocate hardware status page\n");
return -ENOMEM;
}
- dev_priv->render_ring.status_page.page_addr
- = dev_priv->status_page_dmah->vaddr;
+ ring->status_page.page_addr = dev_priv->status_page_dmah->vaddr;
dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
- memset(dev_priv->render_ring.status_page.page_addr, 0, PAGE_SIZE);
+ memset(ring->status_page.page_addr, 0, PAGE_SIZE);
- if (IS_I965G(dev))
+ if (INTEL_INFO(dev)->gen >= 4)
dev_priv->dma_status_page |= (dev_priv->dma_status_page >> 28) &
0xf0;
static void i915_free_hws(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
+
if (dev_priv->status_page_dmah) {
drm_pci_free(dev, dev_priv->status_page_dmah);
dev_priv->status_page_dmah = NULL;
}
- if (dev_priv->render_ring.status_page.gfx_addr) {
- dev_priv->render_ring.status_page.gfx_addr = 0;
+ if (ring->status_page.gfx_addr) {
+ ring->status_page.gfx_addr = 0;
drm_core_ioremapfree(&dev_priv->hws_map, dev);
}
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv;
- struct intel_ring_buffer *ring = &dev_priv->render_ring;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
/*
* We should never lose context on the ring with modesetting
if (drm_core_check_feature(dev, DRIVER_MODESET))
return;
- ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
- ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
+ ring->head = I915_READ_HEAD(ring) & HEAD_ADDR;
+ ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
ring->space = ring->head - (ring->tail + 8);
if (ring->space < 0)
ring->space += ring->size;
static int i915_dma_cleanup(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ int i;
+
/* 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.
drm_irq_uninstall(dev);
mutex_lock(&dev->struct_mutex);
- intel_cleanup_ring_buffer(dev, &dev_priv->render_ring);
- if (HAS_BSD(dev))
- intel_cleanup_ring_buffer(dev, &dev_priv->bsd_ring);
+ for (i = 0; i < I915_NUM_RINGS; i++)
+ intel_cleanup_ring_buffer(&dev_priv->ring[i]);
mutex_unlock(&dev->struct_mutex);
/* Clear the HWS virtual address at teardown */
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
+ int ret;
master_priv->sarea = drm_getsarea(dev);
if (master_priv->sarea) {
}
if (init->ring_size != 0) {
- if (dev_priv->render_ring.gem_object != NULL) {
+ if (LP_RING(dev_priv)->obj != NULL) {
i915_dma_cleanup(dev);
DRM_ERROR("Client tried to initialize ringbuffer in "
"GEM mode\n");
return -EINVAL;
}
- dev_priv->render_ring.size = init->ring_size;
-
- dev_priv->render_ring.map.offset = init->ring_start;
- dev_priv->render_ring.map.size = init->ring_size;
- dev_priv->render_ring.map.type = 0;
- dev_priv->render_ring.map.flags = 0;
- dev_priv->render_ring.map.mtrr = 0;
-
- drm_core_ioremap_wc(&dev_priv->render_ring.map, dev);
-
- if (dev_priv->render_ring.map.handle == NULL) {
+ ret = intel_render_ring_init_dri(dev,
+ init->ring_start,
+ init->ring_size);
+ if (ret) {
i915_dma_cleanup(dev);
- DRM_ERROR("can not ioremap virtual address for"
- " ring buffer\n");
- return -ENOMEM;
+ return ret;
}
}
- dev_priv->render_ring.virtual_start = dev_priv->render_ring.map.handle;
-
dev_priv->cpp = init->cpp;
dev_priv->back_offset = init->back_offset;
dev_priv->front_offset = init->front_offset;
static int i915_dma_resume(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
- struct intel_ring_buffer *ring;
DRM_DEBUG_DRIVER("%s\n", __func__);
- ring = &dev_priv->render_ring;
-
if (ring->map.handle == NULL) {
DRM_ERROR("can not ioremap virtual address for"
" ring buffer\n");
DRM_DEBUG_DRIVER("hw status page @ %p\n",
ring->status_page.page_addr);
if (ring->status_page.gfx_addr != 0)
- ring->setup_status_page(dev, ring);
+ intel_ring_setup_status_page(ring);
else
I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
* instruction detected will be given a size of zero, which is a
* signal to abort the rest of the buffer.
*/
-static int do_validate_cmd(int cmd)
+static int validate_cmd(int cmd)
{
switch (((cmd >> 29) & 0x7)) {
case 0x0:
return 0;
}
-static int validate_cmd(int cmd)
-{
- int ret = do_validate_cmd(cmd);
-
-/* printk("validate_cmd( %x ): %d\n", cmd, ret); */
-
- return ret;
-}
-
static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- int i;
+ int i, ret;
- if ((dwords+1) * sizeof(int) >= dev_priv->render_ring.size - 8)
+ if ((dwords+1) * sizeof(int) >= LP_RING(dev_priv)->size - 8)
return -EINVAL;
- BEGIN_LP_RING((dwords+1)&~1);
-
for (i = 0; i < dwords;) {
- int cmd, sz;
-
- cmd = buffer[i];
-
- if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords)
+ int sz = validate_cmd(buffer[i]);
+ if (sz == 0 || i + sz > dwords)
return -EINVAL;
-
- OUT_RING(cmd);
-
- while (++i, --sz) {
- OUT_RING(buffer[i]);
- }
+ i += sz;
}
+ ret = BEGIN_LP_RING((dwords+1)&~1);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < dwords; i++)
+ OUT_RING(buffer[i]);
if (dwords & 1)
OUT_RING(0);
int
i915_emit_box(struct drm_device *dev,
- struct drm_clip_rect *boxes,
- int i, int DR1, int DR4)
+ struct drm_clip_rect *box,
+ int DR1, int DR4)
{
- struct drm_clip_rect box = boxes[i];
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
- if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) {
+ if (box->y2 <= box->y1 || box->x2 <= box->x1 ||
+ box->y2 <= 0 || box->x2 <= 0) {
DRM_ERROR("Bad box %d,%d..%d,%d\n",
- box.x1, box.y1, box.x2, box.y2);
+ box->x1, box->y1, box->x2, box->y2);
return -EINVAL;
}
- if (IS_I965G(dev)) {
- BEGIN_LP_RING(4);
+ if (INTEL_INFO(dev)->gen >= 4) {
+ ret = BEGIN_LP_RING(4);
+ if (ret)
+ return ret;
+
OUT_RING(GFX_OP_DRAWRECT_INFO_I965);
- OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
- OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
+ OUT_RING((box->x1 & 0xffff) | (box->y1 << 16));
+ OUT_RING(((box->x2 - 1) & 0xffff) | ((box->y2 - 1) << 16));
OUT_RING(DR4);
- ADVANCE_LP_RING();
} else {
- BEGIN_LP_RING(6);
+ ret = BEGIN_LP_RING(6);
+ if (ret)
+ return ret;
+
OUT_RING(GFX_OP_DRAWRECT_INFO);
OUT_RING(DR1);
- OUT_RING((box.x1 & 0xffff) | (box.y1 << 16));
- OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16));
+ OUT_RING((box->x1 & 0xffff) | (box->y1 << 16));
+ OUT_RING(((box->x2 - 1) & 0xffff) | ((box->y2 - 1) << 16));
OUT_RING(DR4);
OUT_RING(0);
- ADVANCE_LP_RING();
}
+ ADVANCE_LP_RING();
return 0;
}
if (master_priv->sarea_priv)
master_priv->sarea_priv->last_enqueue = dev_priv->counter;
- BEGIN_LP_RING(4);
- OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- OUT_RING(dev_priv->counter);
- OUT_RING(0);
- ADVANCE_LP_RING();
+ if (BEGIN_LP_RING(4) == 0) {
+ OUT_RING(MI_STORE_DWORD_INDEX);
+ OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+ OUT_RING(dev_priv->counter);
+ OUT_RING(0);
+ ADVANCE_LP_RING();
+ }
}
static int i915_dispatch_cmdbuffer(struct drm_device * dev,
for (i = 0; i < count; i++) {
if (i < nbox) {
- ret = i915_emit_box(dev, cliprects, i,
+ ret = i915_emit_box(dev, &cliprects[i],
cmd->DR1, cmd->DR4);
if (ret)
return ret;
drm_i915_batchbuffer_t * batch,
struct drm_clip_rect *cliprects)
{
+ struct drm_i915_private *dev_priv = dev->dev_private;
int nbox = batch->num_cliprects;
- int i = 0, count;
+ int i, count, ret;
if ((batch->start | batch->used) & 0x7) {
DRM_ERROR("alignment");
i915_kernel_lost_context(dev);
count = nbox ? nbox : 1;
-
for (i = 0; i < count; i++) {
if (i < nbox) {
- int ret = i915_emit_box(dev, cliprects, i,
- batch->DR1, batch->DR4);
+ ret = i915_emit_box(dev, &cliprects[i],
+ batch->DR1, batch->DR4);
if (ret)
return ret;
}
if (!IS_I830(dev) && !IS_845G(dev)) {
- BEGIN_LP_RING(2);
- if (IS_I965G(dev)) {
+ ret = BEGIN_LP_RING(2);
+ if (ret)
+ return ret;
+
+ if (INTEL_INFO(dev)->gen >= 4) {
OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965);
OUT_RING(batch->start);
} else {
OUT_RING(MI_BATCH_BUFFER_START | (2 << 6));
OUT_RING(batch->start | MI_BATCH_NON_SECURE);
}
- ADVANCE_LP_RING();
} else {
- BEGIN_LP_RING(4);
+ ret = BEGIN_LP_RING(4);
+ if (ret)
+ return ret;
+
OUT_RING(MI_BATCH_BUFFER);
OUT_RING(batch->start | MI_BATCH_NON_SECURE);
OUT_RING(batch->start + batch->used - 4);
OUT_RING(0);
+ }
+ ADVANCE_LP_RING();
+ }
+
+
+ if (IS_G4X(dev) || IS_GEN5(dev)) {
+ if (BEGIN_LP_RING(2) == 0) {
+ OUT_RING(MI_FLUSH | MI_NO_WRITE_FLUSH | MI_INVALIDATE_ISP);
+ OUT_RING(MI_NOOP);
ADVANCE_LP_RING();
}
}
i915_emit_breadcrumb(dev);
-
return 0;
}
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv =
dev->primary->master->driver_priv;
+ int ret;
if (!master_priv->sarea_priv)
return -EINVAL;
i915_kernel_lost_context(dev);
- BEGIN_LP_RING(2);
+ ret = BEGIN_LP_RING(10);
+ if (ret)
+ return ret;
+
OUT_RING(MI_FLUSH | MI_READ_FLUSH);
OUT_RING(0);
- ADVANCE_LP_RING();
- BEGIN_LP_RING(6);
OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP);
OUT_RING(0);
if (dev_priv->current_page == 0) {
dev_priv->current_page = 0;
}
OUT_RING(0);
- ADVANCE_LP_RING();
- BEGIN_LP_RING(2);
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP);
OUT_RING(0);
+
ADVANCE_LP_RING();
master_priv->sarea_priv->last_enqueue = dev_priv->counter++;
- BEGIN_LP_RING(4);
- OUT_RING(MI_STORE_DWORD_INDEX);
- OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- OUT_RING(dev_priv->counter);
- OUT_RING(0);
- ADVANCE_LP_RING();
+ if (BEGIN_LP_RING(4) == 0) {
+ OUT_RING(MI_STORE_DWORD_INDEX);
+ OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+ OUT_RING(dev_priv->counter);
+ OUT_RING(0);
+ ADVANCE_LP_RING();
+ }
master_priv->sarea_priv->pf_current_page = dev_priv->current_page;
return 0;
}
-static int i915_quiescent(struct drm_device * dev)
+static int i915_quiescent(struct drm_device *dev)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct intel_ring_buffer *ring = LP_RING(dev->dev_private);
i915_kernel_lost_context(dev);
- return intel_wait_ring_buffer(dev, &dev_priv->render_ring,
- dev_priv->render_ring.size - 8);
+ return intel_wait_ring_buffer(ring, ring->size - 8);
}
static int i915_flush_ioctl(struct drm_device *dev, void *data,
ret = copy_from_user(cliprects, batch->cliprects,
batch->num_cliprects *
sizeof(struct drm_clip_rect));
- if (ret != 0)
+ if (ret != 0) {
+ ret = -EFAULT;
goto fail_free;
+ }
}
mutex_lock(&dev->struct_mutex);
return -ENOMEM;
ret = copy_from_user(batch_data, cmdbuf->buf, cmdbuf->sz);
- if (ret != 0)
+ if (ret != 0) {
+ ret = -EFAULT;
goto fail_batch_free;
+ }
if (cmdbuf->num_cliprects) {
cliprects = kcalloc(cmdbuf->num_cliprects,
ret = copy_from_user(cliprects, cmdbuf->cliprects,
cmdbuf->num_cliprects *
sizeof(struct drm_clip_rect));
- if (ret != 0)
+ if (ret != 0) {
+ ret = -EFAULT;
goto fail_clip_free;
+ }
}
mutex_lock(&dev->struct_mutex);
case I915_PARAM_HAS_BSD:
value = HAS_BSD(dev);
break;
+ case I915_PARAM_HAS_BLT:
+ value = HAS_BLT(dev);
+ break;
+ case I915_PARAM_HAS_RELAXED_FENCING:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_COHERENT_RINGS:
+ value = 1;
+ break;
+ case I915_PARAM_HAS_EXEC_CONSTANTS:
+ value = INTEL_INFO(dev)->gen >= 4;
+ break;
default:
DRM_DEBUG_DRIVER("Unknown parameter %d\n",
param->param);
{
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_hws_addr_t *hws = data;
- struct intel_ring_buffer *ring = &dev_priv->render_ring;
+ struct intel_ring_buffer *ring = LP_RING(dev_priv);
if (!I915_NEED_GFX_HWS(dev))
return -EINVAL;
intel_alloc_mchbar_resource(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- int reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+ int reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
u32 temp_lo, temp_hi = 0;
u64 mchbar_addr;
- int ret = 0;
+ int ret;
- if (IS_I965G(dev))
+ if (INTEL_INFO(dev)->gen >= 4)
pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi);
pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo);
mchbar_addr = ((u64)temp_hi << 32) | temp_lo;
/* If ACPI doesn't have it, assume we need to allocate it ourselves */
#ifdef CONFIG_PNP
if (mchbar_addr &&
- pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) {
- ret = 0;
- goto out;
- }
+ pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE))
+ return 0;
#endif
/* Get some space for it */
- ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus, &dev_priv->mch_res,
+ dev_priv->mch_res.name = "i915 MCHBAR";
+ dev_priv->mch_res.flags = IORESOURCE_MEM;
+ ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus,
+ &dev_priv->mch_res,
MCHBAR_SIZE, MCHBAR_SIZE,
PCIBIOS_MIN_MEM,
- 0, pcibios_align_resource,
+ 0, pcibios_align_resource,
dev_priv->bridge_dev);
if (ret) {
DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret);
dev_priv->mch_res.start = 0;
- goto out;
+ return ret;
}
- if (IS_I965G(dev))
+ if (INTEL_INFO(dev)->gen >= 4)
pci_write_config_dword(dev_priv->bridge_dev, reg + 4,
upper_32_bits(dev_priv->mch_res.start));
pci_write_config_dword(dev_priv->bridge_dev, reg,
lower_32_bits(dev_priv->mch_res.start));
-out:
- return ret;
+ return 0;
}
/* Setup MCHBAR if possible, return true if we should disable it again */
intel_setup_mchbar(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+ int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
u32 temp;
bool enabled;
intel_teardown_mchbar(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+ int mchbar_reg = INTEL_INFO(dev)->gen >= 4 ? MCHBAR_I965 : MCHBAR_I915;
u32 temp;
if (dev_priv->mchbar_need_disable) {
release_resource(&dev_priv->mch_res);
}
-/**
- * i915_probe_agp - get AGP bootup configuration
- * @pdev: PCI device
- * @aperture_size: returns AGP aperture configured size
- * @preallocated_size: returns size of BIOS preallocated AGP space
- *
- * Since Intel integrated graphics are UMA, the BIOS has to set aside
- * 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, uint32_t *aperture_size,
- uint32_t *preallocated_size,
- uint32_t *start)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- u16 tmp = 0;
- unsigned long overhead;
- unsigned long stolen;
-
- /* Get the fb aperture size and "stolen" memory amount. */
- pci_read_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, &tmp);
-
- *aperture_size = 1024 * 1024;
- *preallocated_size = 1024 * 1024;
-
- switch (dev->pdev->device) {
- case PCI_DEVICE_ID_INTEL_82830_CGC:
- case PCI_DEVICE_ID_INTEL_82845G_IG:
- case PCI_DEVICE_ID_INTEL_82855GM_IG:
- case PCI_DEVICE_ID_INTEL_82865_IG:
- if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M)
- *aperture_size *= 64;
- else
- *aperture_size *= 128;
- break;
- default:
- /* 9xx supports large sizes, just look at the length */
- *aperture_size = pci_resource_len(dev->pdev, 2);
- break;
- }
-
- /*
- * 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_PINEVIEW(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev))
- overhead = 4096;
- else
- overhead = (*aperture_size / 1024) + 4096;
-
- if (IS_GEN6(dev)) {
- /* SNB has memory control reg at 0x50.w */
- pci_read_config_word(dev->pdev, SNB_GMCH_CTRL, &tmp);
-
- switch (tmp & SNB_GMCH_GMS_STOLEN_MASK) {
- case INTEL_855_GMCH_GMS_DISABLED:
- DRM_ERROR("video memory is disabled\n");
- return -1;
- case SNB_GMCH_GMS_STOLEN_32M:
- stolen = 32 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_64M:
- stolen = 64 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_96M:
- stolen = 96 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_128M:
- stolen = 128 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_160M:
- stolen = 160 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_192M:
- stolen = 192 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_224M:
- stolen = 224 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_256M:
- stolen = 256 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_288M:
- stolen = 288 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_320M:
- stolen = 320 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_352M:
- stolen = 352 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_384M:
- stolen = 384 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_416M:
- stolen = 416 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_448M:
- stolen = 448 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_480M:
- stolen = 480 * 1024 * 1024;
- break;
- case SNB_GMCH_GMS_STOLEN_512M:
- stolen = 512 * 1024 * 1024;
- break;
- default:
- DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n",
- tmp & SNB_GMCH_GMS_STOLEN_MASK);
- return -1;
- }
- } else {
- switch (tmp & INTEL_GMCH_GMS_MASK) {
- case INTEL_855_GMCH_GMS_DISABLED:
- DRM_ERROR("video memory is disabled\n");
- return -1;
- case INTEL_855_GMCH_GMS_STOLEN_1M:
- stolen = 1 * 1024 * 1024;
- break;
- case INTEL_855_GMCH_GMS_STOLEN_4M:
- stolen = 4 * 1024 * 1024;
- break;
- case INTEL_855_GMCH_GMS_STOLEN_8M:
- stolen = 8 * 1024 * 1024;
- break;
- case INTEL_855_GMCH_GMS_STOLEN_16M:
- stolen = 16 * 1024 * 1024;
- break;
- case INTEL_855_GMCH_GMS_STOLEN_32M:
- stolen = 32 * 1024 * 1024;
- break;
- case INTEL_915G_GMCH_GMS_STOLEN_48M:
- stolen = 48 * 1024 * 1024;
- break;
- case INTEL_915G_GMCH_GMS_STOLEN_64M:
- stolen = 64 * 1024 * 1024;
- break;
- case INTEL_GMCH_GMS_STOLEN_128M:
- stolen = 128 * 1024 * 1024;
- break;
- case INTEL_GMCH_GMS_STOLEN_256M:
- stolen = 256 * 1024 * 1024;
- break;
- case INTEL_GMCH_GMS_STOLEN_96M:
- stolen = 96 * 1024 * 1024;
- break;
- case INTEL_GMCH_GMS_STOLEN_160M:
- stolen = 160 * 1024 * 1024;
- break;
- case INTEL_GMCH_GMS_STOLEN_224M:
- stolen = 224 * 1024 * 1024;
- break;
- case INTEL_GMCH_GMS_STOLEN_352M:
- stolen = 352 * 1024 * 1024;
- break;
- default:
- DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n",
- tmp & INTEL_GMCH_GMS_MASK);
- return -1;
- }
- }
-
- *preallocated_size = stolen - overhead;
- *start = overhead;
-
- return 0;
-}
-
#define PTE_ADDRESS_MASK 0xfffff000
#define PTE_ADDRESS_MASK_HIGH 0x000000f0 /* i915+ */
#define PTE_MAPPING_TYPE_UNCACHED (0 << 1)
#define PTE_VALID (1 << 0)
/**
- * i915_gtt_to_phys - take a GTT address and turn it into a physical one
+ * i915_stolen_to_phys - take an offset into stolen memory and turn it into
+ * a physical one
* @dev: drm device
- * @gtt_addr: address to translate
+ * @offset: address to translate
*
- * Some chip functions require allocations from stolen space but need the
- * physical address of the memory in question. We use this routine
- * to get a physical address suitable for register programming from a given
- * GTT address.
+ * Some chip functions require allocations from stolen space and need the
+ * physical address of the memory in question.
*/
-static unsigned long i915_gtt_to_phys(struct drm_device *dev,
- unsigned long gtt_addr)
+static unsigned long i915_stolen_to_phys(struct drm_device *dev, u32 offset)
{
- unsigned long *gtt;
- unsigned long entry, phys;
- int gtt_bar = IS_I9XX(dev) ? 0 : 1;
- int gtt_offset, gtt_size;
-
- if (IS_I965G(dev)) {
- if (IS_G4X(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) {
- gtt_offset = 2*1024*1024;
- gtt_size = 2*1024*1024;
- } else {
- gtt_offset = 512*1024;
- gtt_size = 512*1024;
- }
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct pci_dev *pdev = dev_priv->bridge_dev;
+ u32 base;
+
+#if 0
+ /* On the machines I have tested the Graphics Base of Stolen Memory
+ * is unreliable, so compute the base by subtracting the stolen memory
+ * from the Top of Low Usable DRAM which is where the BIOS places
+ * the graphics stolen memory.
+ */
+ if (INTEL_INFO(dev)->gen > 3 || IS_G33(dev)) {
+ /* top 32bits are reserved = 0 */
+ pci_read_config_dword(pdev, 0xA4, &base);
} else {
- gtt_bar = 3;
- gtt_offset = 0;
- gtt_size = pci_resource_len(dev->pdev, gtt_bar);
- }
-
- gtt = ioremap_wc(pci_resource_start(dev->pdev, gtt_bar) + gtt_offset,
- gtt_size);
- if (!gtt) {
- DRM_ERROR("ioremap of GTT failed\n");
- return 0;
- }
-
- entry = *(volatile u32 *)(gtt + (gtt_addr / 1024));
-
- DRM_DEBUG_DRIVER("GTT addr: 0x%08lx, PTE: 0x%08lx\n", gtt_addr, entry);
-
- /* Mask out these reserved bits on this hardware. */
- if (!IS_I9XX(dev) || IS_I915G(dev) || IS_I915GM(dev) ||
- IS_I945G(dev) || IS_I945GM(dev)) {
- entry &= ~PTE_ADDRESS_MASK_HIGH;
- }
-
- /* If it's not a mapping type we know, then bail. */
- if ((entry & PTE_MAPPING_TYPE_MASK) != PTE_MAPPING_TYPE_UNCACHED &&
- (entry & PTE_MAPPING_TYPE_MASK) != PTE_MAPPING_TYPE_CACHED) {
- iounmap(gtt);
- return 0;
- }
-
- if (!(entry & PTE_VALID)) {
- DRM_ERROR("bad GTT entry in stolen space\n");
- iounmap(gtt);
- return 0;
+ /* XXX presume 8xx is the same as i915 */
+ pci_bus_read_config_dword(pdev->bus, 2, 0x5C, &base);
+ }
+#else
+ if (INTEL_INFO(dev)->gen > 3 || IS_G33(dev)) {
+ u16 val;
+ pci_read_config_word(pdev, 0xb0, &val);
+ base = val >> 4 << 20;
+ } else {
+ u8 val;
+ pci_read_config_byte(pdev, 0x9c, &val);
+ base = val >> 3 << 27;
}
+ base -= dev_priv->mm.gtt->stolen_size;
+#endif
- iounmap(gtt);
-
- phys =(entry & PTE_ADDRESS_MASK) |
- ((uint64_t)(entry & PTE_ADDRESS_MASK_HIGH) << (32 - 4));
-
- DRM_DEBUG_DRIVER("GTT addr: 0x%08lx, phys addr: 0x%08lx\n", gtt_addr, phys);
-
- return phys;
+ return base + offset;
}
static void i915_warn_stolen(struct drm_device *dev)
unsigned long cfb_base;
unsigned long ll_base = 0;
- /* Leave 1M for line length buffer & misc. */
- compressed_fb = drm_mm_search_free(&dev_priv->vram, size, 4096, 0);
- if (!compressed_fb) {
- dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
- i915_warn_stolen(dev);
- return;
- }
+ compressed_fb = drm_mm_search_free(&dev_priv->mm.stolen, size, 4096, 0);
+ if (compressed_fb)
+ compressed_fb = drm_mm_get_block(compressed_fb, size, 4096);
+ if (!compressed_fb)
+ goto err;
- compressed_fb = drm_mm_get_block(compressed_fb, size, 4096);
- if (!compressed_fb) {
- i915_warn_stolen(dev);
- dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
- return;
- }
+ cfb_base = i915_stolen_to_phys(dev, compressed_fb->start);
+ if (!cfb_base)
+ goto err_fb;
- cfb_base = i915_gtt_to_phys(dev, compressed_fb->start);
- if (!cfb_base) {
- DRM_ERROR("failed to get stolen phys addr, disabling FBC\n");
- drm_mm_put_block(compressed_fb);
- }
-
- if (!(IS_GM45(dev) || IS_IRONLAKE_M(dev))) {
- compressed_llb = drm_mm_search_free(&dev_priv->vram, 4096,
- 4096, 0);
- if (!compressed_llb) {
- i915_warn_stolen(dev);
- return;
- }
+ if (!(IS_GM45(dev) || HAS_PCH_SPLIT(dev))) {
+ compressed_llb = drm_mm_search_free(&dev_priv->mm.stolen,
+ 4096, 4096, 0);
+ if (compressed_llb)
+ compressed_llb = drm_mm_get_block(compressed_llb,
+ 4096, 4096);
+ if (!compressed_llb)
+ goto err_fb;
- compressed_llb = drm_mm_get_block(compressed_llb, 4096, 4096);
- if (!compressed_llb) {
- i915_warn_stolen(dev);
- return;
- }
-
- ll_base = i915_gtt_to_phys(dev, compressed_llb->start);
- if (!ll_base) {
- DRM_ERROR("failed to get stolen phys addr, disabling FBC\n");
- drm_mm_put_block(compressed_fb);
- drm_mm_put_block(compressed_llb);
- }
+ ll_base = i915_stolen_to_phys(dev, compressed_llb->start);
+ if (!ll_base)
+ goto err_llb;
}
dev_priv->cfb_size = size;
intel_disable_fbc(dev);
dev_priv->compressed_fb = compressed_fb;
- if (IS_IRONLAKE_M(dev))
+ if (HAS_PCH_SPLIT(dev))
I915_WRITE(ILK_DPFC_CB_BASE, compressed_fb->start);
else if (IS_GM45(dev)) {
I915_WRITE(DPFC_CB_BASE, compressed_fb->start);
dev_priv->compressed_llb = compressed_llb;
}
- DRM_DEBUG_KMS("FBC base 0x%08lx, ll base 0x%08lx, size %dM\n", cfb_base,
- ll_base, size >> 20);
+ DRM_DEBUG_KMS("FBC base 0x%08lx, ll base 0x%08lx, size %dM\n",
+ cfb_base, ll_base, size >> 20);
+ return;
+
+err_llb:
+ drm_mm_put_block(compressed_llb);
+err_fb:
+ drm_mm_put_block(compressed_fb);
+err:
+ dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
+ i915_warn_stolen(dev);
}
static void i915_cleanup_compression(struct drm_device *dev)
pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
if (state == VGA_SWITCHEROO_ON) {
printk(KERN_INFO "i915: switched on\n");
+ dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
/* i915 resume handler doesn't set to D0 */
pci_set_power_state(dev->pdev, PCI_D0);
i915_resume(dev);
- drm_kms_helper_poll_enable(dev);
+ dev->switch_power_state = DRM_SWITCH_POWER_ON;
} else {
printk(KERN_ERR "i915: switched off\n");
- drm_kms_helper_poll_disable(dev);
+ dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
i915_suspend(dev, pmm);
+ dev->switch_power_state = DRM_SWITCH_POWER_OFF;
}
}
return can_switch;
}
-static int i915_load_modeset_init(struct drm_device *dev,
- unsigned long prealloc_start,
- unsigned long prealloc_size,
- unsigned long agp_size)
+static int i915_load_modeset_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- int fb_bar = IS_I9XX(dev) ? 2 : 0;
+ unsigned long prealloc_size, gtt_size, mappable_size;
int ret = 0;
- dev->mode_config.fb_base = pci_resource_start(dev->pdev, fb_bar) &
- 0xff000000;
+ prealloc_size = dev_priv->mm.gtt->stolen_size;
+ gtt_size = dev_priv->mm.gtt->gtt_total_entries << PAGE_SHIFT;
+ mappable_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
- /* Basic memrange allocator for stolen space (aka vram) */
- drm_mm_init(&dev_priv->vram, 0, prealloc_size);
- DRM_INFO("set up %ldM of stolen space\n", prealloc_size / (1024*1024));
+ /* Basic memrange allocator for stolen space */
+ drm_mm_init(&dev_priv->mm.stolen, 0, prealloc_size);
- /* We're off and running w/KMS */
- dev_priv->mm.suspended = 0;
-
- /* Let GEM Manage from end of prealloc space to end of aperture.
+ /* Let GEM Manage all of the aperture.
*
* However, leave one page at the end still bound to the scratch page.
* There are a number of places where the hardware apparently
* 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);
+ i915_gem_do_init(dev, 0, mappable_size, gtt_size - PAGE_SIZE);
mutex_lock(&dev->struct_mutex);
ret = i915_gem_init_ringbuffer(dev);
if (I915_HAS_FBC(dev) && i915_powersave) {
int cfb_size;
- /* Try to get an 8M buffer... */
- if (prealloc_size > (9*1024*1024))
- cfb_size = 8*1024*1024;
+ /* Leave 1M for line length buffer & misc. */
+
+ /* Try to get a 32M buffer... */
+ if (prealloc_size > (36*1024*1024))
+ cfb_size = 32*1024*1024;
else /* fall back to 7/8 of the stolen space */
cfb_size = prealloc_size * 7 / 8;
i915_setup_compression(dev, cfb_size);
}
- /* Allow hardware batchbuffers unless told otherwise.
- */
+ /* Allow hardware batchbuffers unless told otherwise. */
dev_priv->allow_batchbuffer = 1;
- ret = intel_init_bios(dev);
+ ret = intel_parse_bios(dev);
if (ret)
DRM_INFO("failed to find VBIOS tables\n");
- /* if we have > 1 VGA cards, then disable the radeon VGA resources */
+ /* If we have > 1 VGA cards, then we need to arbitrate access
+ * to the common VGA resources.
+ *
+ * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA),
+ * then we do not take part in VGA arbitration and the
+ * vga_client_register() fails with -ENODEV.
+ */
ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode);
- if (ret)
+ if (ret && ret != -ENODEV)
goto cleanup_ringbuffer;
+ intel_register_dsm_handler();
+
ret = vga_switcheroo_register_client(dev->pdev,
i915_switcheroo_set_state,
+ NULL,
i915_switcheroo_can_switch);
if (ret)
goto cleanup_vga_client;
/* FIXME: do pre/post-mode set stuff in core KMS code */
dev->vblank_disable_allowed = 1;
- /*
- * Initialize the hardware status page IRQ location.
- */
-
- I915_WRITE(INSTPM, (1 << 5) | (1 << 21));
-
ret = intel_fbdev_init(dev);
if (ret)
goto cleanup_irq;
drm_kms_helper_poll_init(dev);
+
+ /* We're off and running w/KMS */
+ dev_priv->mm.suspended = 0;
+
return 0;
cleanup_irq:
}
}
-struct v_table {
- u8 vid;
- unsigned long vd; /* in .1 mil */
- unsigned long vm; /* in .1 mil */
- u8 pvid;
-};
-
-static struct v_table v_table[] = {
- { 0, 16125, 15000, 0x7f, },
- { 1, 16000, 14875, 0x7e, },
- { 2, 15875, 14750, 0x7d, },
- { 3, 15750, 14625, 0x7c, },
- { 4, 15625, 14500, 0x7b, },
- { 5, 15500, 14375, 0x7a, },
- { 6, 15375, 14250, 0x79, },
- { 7, 15250, 14125, 0x78, },
- { 8, 15125, 14000, 0x77, },
- { 9, 15000, 13875, 0x76, },
- { 10, 14875, 13750, 0x75, },
- { 11, 14750, 13625, 0x74, },
- { 12, 14625, 13500, 0x73, },
- { 13, 14500, 13375, 0x72, },
- { 14, 14375, 13250, 0x71, },
- { 15, 14250, 13125, 0x70, },
- { 16, 14125, 13000, 0x6f, },
- { 17, 14000, 12875, 0x6e, },
- { 18, 13875, 12750, 0x6d, },
- { 19, 13750, 12625, 0x6c, },
- { 20, 13625, 12500, 0x6b, },
- { 21, 13500, 12375, 0x6a, },
- { 22, 13375, 12250, 0x69, },
- { 23, 13250, 12125, 0x68, },
- { 24, 13125, 12000, 0x67, },
- { 25, 13000, 11875, 0x66, },
- { 26, 12875, 11750, 0x65, },
- { 27, 12750, 11625, 0x64, },
- { 28, 12625, 11500, 0x63, },
- { 29, 12500, 11375, 0x62, },
- { 30, 12375, 11250, 0x61, },
- { 31, 12250, 11125, 0x60, },
- { 32, 12125, 11000, 0x5f, },
- { 33, 12000, 10875, 0x5e, },
- { 34, 11875, 10750, 0x5d, },
- { 35, 11750, 10625, 0x5c, },
- { 36, 11625, 10500, 0x5b, },
- { 37, 11500, 10375, 0x5a, },
- { 38, 11375, 10250, 0x59, },
- { 39, 11250, 10125, 0x58, },
- { 40, 11125, 10000, 0x57, },
- { 41, 11000, 9875, 0x56, },
- { 42, 10875, 9750, 0x55, },
- { 43, 10750, 9625, 0x54, },
- { 44, 10625, 9500, 0x53, },
- { 45, 10500, 9375, 0x52, },
- { 46, 10375, 9250, 0x51, },
- { 47, 10250, 9125, 0x50, },
- { 48, 10125, 9000, 0x4f, },
- { 49, 10000, 8875, 0x4e, },
- { 50, 9875, 8750, 0x4d, },
- { 51, 9750, 8625, 0x4c, },
- { 52, 9625, 8500, 0x4b, },
- { 53, 9500, 8375, 0x4a, },
- { 54, 9375, 8250, 0x49, },
- { 55, 9250, 8125, 0x48, },
- { 56, 9125, 8000, 0x47, },
- { 57, 9000, 7875, 0x46, },
- { 58, 8875, 7750, 0x45, },
- { 59, 8750, 7625, 0x44, },
- { 60, 8625, 7500, 0x43, },
- { 61, 8500, 7375, 0x42, },
- { 62, 8375, 7250, 0x41, },
- { 63, 8250, 7125, 0x40, },
- { 64, 8125, 7000, 0x3f, },
- { 65, 8000, 6875, 0x3e, },
- { 66, 7875, 6750, 0x3d, },
- { 67, 7750, 6625, 0x3c, },
- { 68, 7625, 6500, 0x3b, },
- { 69, 7500, 6375, 0x3a, },
- { 70, 7375, 6250, 0x39, },
- { 71, 7250, 6125, 0x38, },
- { 72, 7125, 6000, 0x37, },
- { 73, 7000, 5875, 0x36, },
- { 74, 6875, 5750, 0x35, },
- { 75, 6750, 5625, 0x34, },
- { 76, 6625, 5500, 0x33, },
- { 77, 6500, 5375, 0x32, },
- { 78, 6375, 5250, 0x31, },
- { 79, 6250, 5125, 0x30, },
- { 80, 6125, 5000, 0x2f, },
- { 81, 6000, 4875, 0x2e, },
- { 82, 5875, 4750, 0x2d, },
- { 83, 5750, 4625, 0x2c, },
- { 84, 5625, 4500, 0x2b, },
- { 85, 5500, 4375, 0x2a, },
- { 86, 5375, 4250, 0x29, },
- { 87, 5250, 4125, 0x28, },
- { 88, 5125, 4000, 0x27, },
- { 89, 5000, 3875, 0x26, },
- { 90, 4875, 3750, 0x25, },
- { 91, 4750, 3625, 0x24, },
- { 92, 4625, 3500, 0x23, },
- { 93, 4500, 3375, 0x22, },
- { 94, 4375, 3250, 0x21, },
- { 95, 4250, 3125, 0x20, },
- { 96, 4125, 3000, 0x1f, },
- { 97, 4125, 3000, 0x1e, },
- { 98, 4125, 3000, 0x1d, },
- { 99, 4125, 3000, 0x1c, },
- { 100, 4125, 3000, 0x1b, },
- { 101, 4125, 3000, 0x1a, },
- { 102, 4125, 3000, 0x19, },
- { 103, 4125, 3000, 0x18, },
- { 104, 4125, 3000, 0x17, },
- { 105, 4125, 3000, 0x16, },
- { 106, 4125, 3000, 0x15, },
- { 107, 4125, 3000, 0x14, },
- { 108, 4125, 3000, 0x13, },
- { 109, 4125, 3000, 0x12, },
- { 110, 4125, 3000, 0x11, },
- { 111, 4125, 3000, 0x10, },
- { 112, 4125, 3000, 0x0f, },
- { 113, 4125, 3000, 0x0e, },
- { 114, 4125, 3000, 0x0d, },
- { 115, 4125, 3000, 0x0c, },
- { 116, 4125, 3000, 0x0b, },
- { 117, 4125, 3000, 0x0a, },
- { 118, 4125, 3000, 0x09, },
- { 119, 4125, 3000, 0x08, },
- { 120, 1125, 0, 0x07, },
- { 121, 1000, 0, 0x06, },
- { 122, 875, 0, 0x05, },
- { 123, 750, 0, 0x04, },
- { 124, 625, 0, 0x03, },
- { 125, 500, 0, 0x02, },
- { 126, 375, 0, 0x01, },
- { 127, 0, 0, 0x00, },
-};
-
-struct cparams {
- int i;
- int t;
- int m;
- int c;
-};
-
-static struct cparams cparams[] = {
+static const struct cparams {
+ u16 i;
+ u16 t;
+ u16 m;
+ u16 c;
+} cparams[] = {
{ 1, 1333, 301, 28664 },
{ 1, 1066, 294, 24460 },
{ 1, 800, 294, 25192 },
}
}
- div_u64(diff, diff1);
+ diff = div_u64(diff, diff1);
ret = ((m * diff) + c);
- div_u64(ret, 10);
+ ret = div_u64(ret, 10);
dev_priv->last_count1 = total_count;
dev_priv->last_time1 = now;
return ((m * x) / 127) - b;
}
-static unsigned long pvid_to_extvid(struct drm_i915_private *dev_priv, u8 pxvid)
+static u16 pvid_to_extvid(struct drm_i915_private *dev_priv, u8 pxvid)
{
- unsigned long val = 0;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(v_table); i++) {
- if (v_table[i].pvid == pxvid) {
- if (IS_MOBILE(dev_priv->dev))
- val = v_table[i].vm;
- else
- val = v_table[i].vd;
- }
- }
-
- return val;
+ static const struct v_table {
+ u16 vd; /* in .1 mil */
+ u16 vm; /* in .1 mil */
+ } v_table[] = {
+ { 0, 0, },
+ { 375, 0, },
+ { 500, 0, },
+ { 625, 0, },
+ { 750, 0, },
+ { 875, 0, },
+ { 1000, 0, },
+ { 1125, 0, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4125, 3000, },
+ { 4250, 3125, },
+ { 4375, 3250, },
+ { 4500, 3375, },
+ { 4625, 3500, },
+ { 4750, 3625, },
+ { 4875, 3750, },
+ { 5000, 3875, },
+ { 5125, 4000, },
+ { 5250, 4125, },
+ { 5375, 4250, },
+ { 5500, 4375, },
+ { 5625, 4500, },
+ { 5750, 4625, },
+ { 5875, 4750, },
+ { 6000, 4875, },
+ { 6125, 5000, },
+ { 6250, 5125, },
+ { 6375, 5250, },
+ { 6500, 5375, },
+ { 6625, 5500, },
+ { 6750, 5625, },
+ { 6875, 5750, },
+ { 7000, 5875, },
+ { 7125, 6000, },
+ { 7250, 6125, },
+ { 7375, 6250, },
+ { 7500, 6375, },
+ { 7625, 6500, },
+ { 7750, 6625, },
+ { 7875, 6750, },
+ { 8000, 6875, },
+ { 8125, 7000, },
+ { 8250, 7125, },
+ { 8375, 7250, },
+ { 8500, 7375, },
+ { 8625, 7500, },
+ { 8750, 7625, },
+ { 8875, 7750, },
+ { 9000, 7875, },
+ { 9125, 8000, },
+ { 9250, 8125, },
+ { 9375, 8250, },
+ { 9500, 8375, },
+ { 9625, 8500, },
+ { 9750, 8625, },
+ { 9875, 8750, },
+ { 10000, 8875, },
+ { 10125, 9000, },
+ { 10250, 9125, },
+ { 10375, 9250, },
+ { 10500, 9375, },
+ { 10625, 9500, },
+ { 10750, 9625, },
+ { 10875, 9750, },
+ { 11000, 9875, },
+ { 11125, 10000, },
+ { 11250, 10125, },
+ { 11375, 10250, },
+ { 11500, 10375, },
+ { 11625, 10500, },
+ { 11750, 10625, },
+ { 11875, 10750, },
+ { 12000, 10875, },
+ { 12125, 11000, },
+ { 12250, 11125, },
+ { 12375, 11250, },
+ { 12500, 11375, },
+ { 12625, 11500, },
+ { 12750, 11625, },
+ { 12875, 11750, },
+ { 13000, 11875, },
+ { 13125, 12000, },
+ { 13250, 12125, },
+ { 13375, 12250, },
+ { 13500, 12375, },
+ { 13625, 12500, },
+ { 13750, 12625, },
+ { 13875, 12750, },
+ { 14000, 12875, },
+ { 14125, 13000, },
+ { 14250, 13125, },
+ { 14375, 13250, },
+ { 14500, 13375, },
+ { 14625, 13500, },
+ { 14750, 13625, },
+ { 14875, 13750, },
+ { 15000, 13875, },
+ { 15125, 14000, },
+ { 15250, 14125, },
+ { 15375, 14250, },
+ { 15500, 14375, },
+ { 15625, 14500, },
+ { 15750, 14625, },
+ { 15875, 14750, },
+ { 16000, 14875, },
+ { 16125, 15000, },
+ };
+ if (dev_priv->info->is_mobile)
+ return v_table[pxvid].vm;
+ else
+ return v_table[pxvid].vd;
}
void i915_update_gfx_val(struct drm_i915_private *dev_priv)
/* More magic constants... */
diff = diff * 1181;
- div_u64(diff, diffms * 10);
+ diff = div_u64(diff, diffms * 10);
dev_priv->gfx_power = diff;
}
* - dev_priv->fmax
* - dev_priv->gpu_busy
*/
-DEFINE_SPINLOCK(mchdev_lock);
+static DEFINE_SPINLOCK(mchdev_lock);
/**
* i915_read_mch_val - return value for IPS use
EXPORT_SYMBOL_GPL(i915_gpu_turbo_disable);
/**
+ * Tells the intel_ips driver that the i915 driver is now loaded, if
+ * IPS got loaded first.
+ *
+ * This awkward dance is so that neither module has to depend on the
+ * other in order for IPS to do the appropriate communication of
+ * GPU turbo limits to i915.
+ */
+static void
+ips_ping_for_i915_load(void)
+{
+ void (*link)(void);
+
+ link = symbol_get(ips_link_to_i915_driver);
+ if (link) {
+ link();
+ symbol_put(ips_link_to_i915_driver);
+ }
+}
+
+/**
* i915_driver_load - setup chip and create an initial config
* @dev: DRM device
* @flags: startup flags
int i915_driver_load(struct drm_device *dev, unsigned long flags)
{
struct drm_i915_private *dev_priv;
- resource_size_t base, size;
int ret = 0, mmio_bar;
- uint32_t agp_size, prealloc_size, prealloc_start;
+ uint32_t agp_size;
+
/* i915 has 4 more counters */
dev->counters += 4;
dev->types[6] = _DRM_STAT_IRQ;
dev_priv->dev = dev;
dev_priv->info = (struct intel_device_info *) flags;
- /* Add register map (needed for suspend/resume) */
- mmio_bar = IS_I9XX(dev) ? 0 : 1;
- base = pci_resource_start(dev->pdev, mmio_bar);
- size = pci_resource_len(dev->pdev, mmio_bar);
-
if (i915_get_bridge_dev(dev)) {
ret = -EIO;
goto free_priv;
}
- dev_priv->regs = ioremap(base, size);
+ /* overlay on gen2 is broken and can't address above 1G */
+ if (IS_GEN2(dev))
+ dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30));
+
+ /* 965GM sometimes incorrectly writes to hardware status page (HWS)
+ * using 32bit addressing, overwriting memory if HWS is located
+ * above 4GB.
+ *
+ * The documentation also mentions an issue with undefined
+ * behaviour if any general state is accessed within a page above 4GB,
+ * which also needs to be handled carefully.
+ */
+ if (IS_BROADWATER(dev) || IS_CRESTLINE(dev))
+ dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(32));
+
+ mmio_bar = IS_GEN2(dev) ? 1 : 0;
+ dev_priv->regs = pci_iomap(dev->pdev, mmio_bar, 0);
if (!dev_priv->regs) {
DRM_ERROR("failed to map registers\n");
ret = -EIO;
goto put_bridge;
}
+ dev_priv->mm.gtt = intel_gtt_get();
+ if (!dev_priv->mm.gtt) {
+ DRM_ERROR("Failed to initialize GTT\n");
+ ret = -ENODEV;
+ goto out_iomapfree;
+ }
+
+ agp_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
+
dev_priv->mm.gtt_mapping =
- io_mapping_create_wc(dev->agp->base,
- dev->agp->agp_info.aper_size * 1024*1024);
+ io_mapping_create_wc(dev->agp->base, agp_size);
if (dev_priv->mm.gtt_mapping == NULL) {
ret = -EIO;
goto out_rmmap;
* MTRR if present. Even if a UC MTRR isn't present.
*/
dev_priv->mm.gtt_mtrr = mtrr_add(dev->agp->base,
- dev->agp->agp_info.aper_size *
- 1024 * 1024,
+ agp_size,
MTRR_TYPE_WRCOMB, 1);
if (dev_priv->mm.gtt_mtrr < 0) {
DRM_INFO("MTRR allocation failed. Graphics "
"performance may suffer.\n");
}
- ret = i915_probe_agp(dev, &agp_size, &prealloc_size, &prealloc_start);
- if (ret)
- goto out_iomapfree;
-
- if (prealloc_size > intel_max_stolen) {
- DRM_INFO("detected %dM stolen memory, trimming to %dM\n",
- prealloc_size >> 20, intel_max_stolen >> 20);
- prealloc_size = intel_max_stolen;
- }
-
- dev_priv->wq = create_singlethread_workqueue("i915");
+ /* The i915 workqueue is primarily used for batched retirement of
+ * requests (and thus managing bo) once the task has been completed
+ * by the GPU. i915_gem_retire_requests() is called directly when we
+ * need high-priority retirement, such as waiting for an explicit
+ * bo.
+ *
+ * It is also used for periodic low-priority events, such as
+ * idle-timers and recording error state.
+ *
+ * All tasks on the workqueue are expected to acquire the dev mutex
+ * so there is no point in running more than one instance of the
+ * workqueue at any time: max_active = 1 and NON_REENTRANT.
+ */
+ dev_priv->wq = alloc_workqueue("i915",
+ WQ_UNBOUND | WQ_NON_REENTRANT,
+ 1);
if (dev_priv->wq == NULL) {
DRM_ERROR("Failed to create our workqueue.\n");
ret = -ENOMEM;
/* enable GEM by default */
dev_priv->has_gem = 1;
- 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;
- }
-
- if (dev_priv->has_gem == 0 &&
- drm_core_check_feature(dev, DRIVER_MODESET)) {
- DRM_ERROR("kernel modesetting requires GEM, disabling driver.\n");
- ret = -ENODEV;
- goto out_iomapfree;
- }
-
dev->driver->get_vblank_counter = i915_get_vblank_counter;
dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
- if (IS_G4X(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) {
+ if (IS_G4X(dev) || IS_GEN5(dev) || IS_GEN6(dev)) {
dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */
dev->driver->get_vblank_counter = gm45_get_vblank_counter;
}
/* Try to make sure MCHBAR is enabled before poking at it */
intel_setup_mchbar(dev);
+ intel_setup_gmbus(dev);
+ intel_opregion_setup(dev);
+
+ /* Make sure the bios did its job and set up vital registers */
+ intel_setup_bios(dev);
i915_gem_load(dev);
/* Init HWS */
if (!I915_NEED_GFX_HWS(dev)) {
ret = i915_init_phys_hws(dev);
- if (ret != 0)
- goto out_workqueue_free;
+ if (ret)
+ goto out_gem_unload;
}
if (IS_PINEVIEW(dev))
i915_pineview_get_mem_freq(dev);
- else if (IS_IRONLAKE(dev))
+ else if (IS_GEN5(dev))
i915_ironlake_get_mem_freq(dev);
/* On the 945G/GM, the chipset reports the MSI capability on the
if (!IS_I945G(dev) && !IS_I945GM(dev))
pci_enable_msi(dev->pdev);
- spin_lock_init(&dev_priv->user_irq_lock);
+ spin_lock_init(&dev_priv->irq_lock);
spin_lock_init(&dev_priv->error_lock);
dev_priv->trace_irq_seqno = 0;
ret = drm_vblank_init(dev, I915_NUM_PIPE);
-
- if (ret) {
- (void) i915_driver_unload(dev);
- return ret;
- }
+ if (ret)
+ goto out_gem_unload;
/* Start out suspended */
dev_priv->mm.suspended = 1;
intel_detect_pch(dev);
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
- ret = i915_load_modeset_init(dev, prealloc_start,
- prealloc_size, agp_size);
+ ret = i915_load_modeset_init(dev);
if (ret < 0) {
DRM_ERROR("failed to init modeset\n");
- goto out_workqueue_free;
+ goto out_gem_unload;
}
}
/* Must be done after probing outputs */
- intel_opregion_init(dev, 0);
+ intel_opregion_init(dev);
+ acpi_video_register();
setup_timer(&dev_priv->hangcheck_timer, i915_hangcheck_elapsed,
(unsigned long) dev);
dev_priv->mchdev_lock = &mchdev_lock;
spin_unlock(&mchdev_lock);
+ ips_ping_for_i915_load();
+
return 0;
-out_workqueue_free:
+out_gem_unload:
+ if (dev->pdev->msi_enabled)
+ pci_disable_msi(dev->pdev);
+
+ intel_teardown_gmbus(dev);
+ intel_teardown_mchbar(dev);
destroy_workqueue(dev_priv->wq);
out_iomapfree:
io_mapping_free(dev_priv->mm.gtt_mapping);
out_rmmap:
- iounmap(dev_priv->regs);
+ pci_iounmap(dev->pdev, dev_priv->regs);
put_bridge:
pci_dev_put(dev_priv->bridge_dev);
free_priv:
int i915_driver_unload(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
-
- i915_destroy_error_state(dev);
+ int ret;
spin_lock(&mchdev_lock);
i915_mch_dev = NULL;
spin_unlock(&mchdev_lock);
- destroy_workqueue(dev_priv->wq);
- del_timer_sync(&dev_priv->hangcheck_timer);
+ if (dev_priv->mm.inactive_shrinker.shrink)
+ unregister_shrinker(&dev_priv->mm.inactive_shrinker);
+
+ mutex_lock(&dev->struct_mutex);
+ ret = i915_gpu_idle(dev);
+ if (ret)
+ DRM_ERROR("failed to idle hardware: %d\n", ret);
+ mutex_unlock(&dev->struct_mutex);
+
+ /* Cancel the retire work handler, which should be idle now. */
+ cancel_delayed_work_sync(&dev_priv->mm.retire_work);
io_mapping_free(dev_priv->mm.gtt_mapping);
if (dev_priv->mm.gtt_mtrr >= 0) {
dev_priv->mm.gtt_mtrr = -1;
}
+ acpi_video_unregister();
+
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ intel_fbdev_fini(dev);
intel_modeset_cleanup(dev);
/*
dev_priv->child_dev = NULL;
dev_priv->child_dev_num = 0;
}
- drm_irq_uninstall(dev);
+
vga_switcheroo_unregister_client(dev->pdev);
vga_client_register(dev->pdev, NULL, NULL, NULL);
}
+ /* Free error state after interrupts are fully disabled. */
+ del_timer_sync(&dev_priv->hangcheck_timer);
+ cancel_work_sync(&dev_priv->error_work);
+ i915_destroy_error_state(dev);
+
if (dev->pdev->msi_enabled)
pci_disable_msi(dev->pdev);
- if (dev_priv->regs != NULL)
- iounmap(dev_priv->regs);
-
- intel_opregion_free(dev, 0);
+ intel_opregion_fini(dev);
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ /* Flush any outstanding unpin_work. */
+ flush_workqueue(dev_priv->wq);
+
i915_gem_free_all_phys_object(dev);
mutex_lock(&dev->struct_mutex);
mutex_unlock(&dev->struct_mutex);
if (I915_HAS_FBC(dev) && i915_powersave)
i915_cleanup_compression(dev);
- drm_mm_takedown(&dev_priv->vram);
- i915_gem_lastclose(dev);
+ drm_mm_takedown(&dev_priv->mm.stolen);
intel_cleanup_overlay(dev);
+
+ if (!I915_NEED_GFX_HWS(dev))
+ i915_free_hws(dev);
}
+ if (dev_priv->regs != NULL)
+ pci_iounmap(dev->pdev, dev_priv->regs);
+
+ intel_teardown_gmbus(dev);
intel_teardown_mchbar(dev);
+ destroy_workqueue(dev_priv->wq);
+
pci_dev_put(dev_priv->bridge_dev);
kfree(dev->dev_private);
return 0;
}
-int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv)
+int i915_driver_open(struct drm_device *dev, struct drm_file *file)
{
- struct drm_i915_file_private *i915_file_priv;
+ struct drm_i915_file_private *file_priv;
DRM_DEBUG_DRIVER("\n");
- i915_file_priv = (struct drm_i915_file_private *)
- kmalloc(sizeof(*i915_file_priv), GFP_KERNEL);
-
- if (!i915_file_priv)
+ file_priv = kmalloc(sizeof(*file_priv), GFP_KERNEL);
+ if (!file_priv)
return -ENOMEM;
- file_priv->driver_priv = i915_file_priv;
+ file->driver_priv = file_priv;
- INIT_LIST_HEAD(&i915_file_priv->mm.request_list);
+ spin_lock_init(&file_priv->mm.lock);
+ INIT_LIST_HEAD(&file_priv->mm.request_list);
return 0;
}
drm_i915_private_t *dev_priv = dev->dev_private;
if (!dev_priv || drm_core_check_feature(dev, DRIVER_MODESET)) {
- drm_fb_helper_restore();
+ intel_fb_restore_mode(dev);
vga_switcheroo_process_delayed_switch();
return;
}
i915_mem_release(dev, file_priv, dev_priv->agp_heap);
}
-void i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv)
+void i915_driver_postclose(struct drm_device *dev, struct drm_file *file)
{
- struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
+ struct drm_i915_file_private *file_priv = file->driver_priv;
- kfree(i915_file_priv);
+ kfree(file_priv);
}
struct drm_ioctl_desc i915_ioctls[] = {
projects / linux-flexiantxendom0-natty.git / blobdiff