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path: root/drivers/gpu/drm/i915/i915_dma.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c40
1 files changed, 28 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index e33d9be7df3..72730377a01 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -43,6 +43,17 @@
#include <linux/slab.h>
#include <acpi/video.h>
+static void i915_write_hws_pga(struct drm_device *dev)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ u32 addr;
+
+ addr = dev_priv->status_page_dmah->busaddr;
+ if (INTEL_INFO(dev)->gen >= 4)
+ addr |= (dev_priv->status_page_dmah->busaddr >> 28) & 0xf0;
+ I915_WRITE(HWS_PGA, addr);
+}
+
/**
* Sets up the hardware status page for devices that need a physical address
* in the register.
@@ -60,16 +71,13 @@ static int i915_init_phys_hws(struct drm_device *dev)
DRM_ERROR("Can not allocate hardware status page\n");
return -ENOMEM;
}
- ring->status_page.page_addr = dev_priv->status_page_dmah->vaddr;
- dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
+ ring->status_page.page_addr =
+ (void __force __iomem *)dev_priv->status_page_dmah->vaddr;
- memset(ring->status_page.page_addr, 0, PAGE_SIZE);
+ memset_io(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) &
- 0xf0;
+ i915_write_hws_pga(dev);
- I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
DRM_DEBUG_DRIVER("Enabled hardware status page\n");
return 0;
}
@@ -216,7 +224,7 @@ static int i915_dma_resume(struct drm_device * dev)
if (ring->status_page.gfx_addr != 0)
intel_ring_setup_status_page(ring);
else
- I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
+ i915_write_hws_pga(dev);
DRM_DEBUG_DRIVER("Enabled hardware status page\n");
@@ -771,6 +779,9 @@ static int i915_getparam(struct drm_device *dev, void *data,
case I915_PARAM_HAS_EXEC_CONSTANTS:
value = INTEL_INFO(dev)->gen >= 4;
break;
+ case I915_PARAM_HAS_RELAXED_DELTA:
+ value = 1;
+ break;
default:
DRM_DEBUG_DRIVER("Unknown parameter %d\n",
param->param);
@@ -859,8 +870,9 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
" G33 hw status page\n");
return -ENOMEM;
}
- ring->status_page.page_addr = dev_priv->hws_map.handle;
- memset(ring->status_page.page_addr, 0, PAGE_SIZE);
+ ring->status_page.page_addr =
+ (void __force __iomem *)dev_priv->hws_map.handle;
+ memset_io(ring->status_page.page_addr, 0, PAGE_SIZE);
I915_WRITE(HWS_PGA, ring->status_page.gfx_addr);
DRM_DEBUG_DRIVER("load hws HWS_PGA with gfx mem 0x%x\n",
@@ -2013,9 +2025,13 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
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 (IS_MOBILE(dev) || !IS_GEN2(dev))
+ dev_priv->num_pipe = 2;
+ else
+ dev_priv->num_pipe = 1;
+
+ ret = drm_vblank_init(dev, dev_priv->num_pipe);
if (ret)
goto out_gem_unload;