drm/i915: Remove use on gma_bus_addr on gen6+

We have enough info to not use the intel_gtt bridge stuff.

v2: Move setup of mappable_base above the legacy init stuff because we
still need that on older platforms. (Daniel)

v3: Remove the dev_priv hunk which was rebased in by accident

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> (v2)
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index bb62213..468d2a0 100644 (file)
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1426,7 +1426,7 @@ static void i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv)
        if (!ap)
                return;
 
-       ap->ranges[0].base = dev_priv->mm.gtt->gma_bus_addr;
+       ap->ranges[0].base = dev_priv->gtt.mappable_base;
        ap->ranges[0].size =
                dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
        primary =
@@ -1543,7 +1543,6 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
        }
 
        aperture_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
-       dev_priv->gtt.mappable_base = dev_priv->mm.gtt->gma_bus_addr;
 
        dev_priv->gtt.mappable =
                io_mapping_create_wc(dev_priv->gtt.mappable_base,

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 61bfb12..0b89305 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -691,6 +691,8 @@ int i915_gem_gtt_init(struct drm_device *dev)
        u16 snb_gmch_ctl;
        int ret;
 
+       dev_priv->gtt.mappable_base = pci_resource_start(dev->pdev, 2);
+
        /* On modern platforms we need not worry ourself with the legacy
         * hostbridge query stuff. Skip it entirely
         */
@@ -723,7 +725,6 @@ int i915_gem_gtt_init(struct drm_device *dev)
 
        /* For GEN6+ the PTEs for the ggtt live at 2MB + BAR0 */
        gtt_bus_addr = pci_resource_start(dev->pdev, 0) + (2<<20);
-       dev_priv->mm.gtt->gma_bus_addr = pci_resource_start(dev->pdev, 2);
 
        /* i9xx_setup */
        pci_read_config_word(dev->pdev, SNB_GMCH_CTRL, &snb_gmch_ctl);

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 59e0269..ce1d074 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1203,7 +1203,7 @@ static int intel_init_ring_buffer(struct drm_device *dev,
                goto err_unpin;
 
        ring->virtual_start =
-               ioremap_wc(dev_priv->mm.gtt->gma_bus_addr + obj->gtt_offset,
+               ioremap_wc(dev_priv->gtt.mappable_base + obj->gtt_offset,
                           ring->size);
        if (ring->virtual_start == NULL) {
                DRM_ERROR("Failed to map ringbuffer.\n");