#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>
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 (INTEL_INFO(dev)->gen >= 4)
dev_priv->dma_status_page |= (dev_priv->dma_status_page >> 28) &
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
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_priv->render_ring);
- intel_cleanup_ring_buffer(&dev_priv->bsd_ring);
- intel_cleanup_ring_buffer(&dev_priv->blt_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.obj != 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_i915_private_t *dev_priv = dev->dev_private;
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;
for (i = 0; i < dwords;) {
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_i915_private *dev_priv = dev->dev_private;
- struct drm_clip_rect box = boxes[i];
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;
}
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);
} else {
ret = BEGIN_LP_RING(6);
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);
}
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;
count = nbox ? nbox : 1;
for (i = 0; i < count; i++) {
if (i < nbox) {
- ret = i915_emit_box(dev, cliprects, i,
+ ret = i915_emit_box(dev, &cliprects[i],
batch->DR1, batch->DR4);
if (ret)
return ret;
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_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,
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;
if (!cfb_base)
goto err_fb;
- if (!(IS_GM45(dev) || IS_IRONLAKE_M(dev))) {
+ if (!(IS_GM45(dev) || HAS_PCH_SPLIT(dev))) {
compressed_llb = drm_mm_search_free(&dev_priv->mm.stolen,
4096, 4096, 0);
if (compressed_llb)
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);
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);
+ dev->switch_power_state = DRM_SWITCH_POWER_ON;
} else {
printk(KERN_ERR "i915: switched off\n");
+ dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
i915_suspend(dev, pmm);
+ dev->switch_power_state = DRM_SWITCH_POWER_OFF;
}
}
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;
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
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) {
/* enable GEM by default */
dev_priv->has_gem = 1;
- 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_workqueue_free;
- }
-
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_GEN5(dev) || IS_GEN6(dev)) {
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;
dev_priv->mchdev_lock = &mchdev_lock;
spin_unlock(&mchdev_lock);
+ ips_ping_for_i915_load();
+
return 0;
out_gem_unload:
intel_teardown_gmbus(dev);
intel_teardown_mchbar(dev);
-out_workqueue_free:
destroy_workqueue(dev_priv->wq);
out_iomapfree:
io_mapping_free(dev_priv->mm.gtt_mapping);
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;
}
projects / linux-flexiantxendom0-natty.git / blobdiff