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authorDaniel Vetter <daniel.vetter@ffwll.ch>2014-09-30 22:36:57 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-09-30 22:36:57 +0200
commit955e36d0b4d3e29c9c8a865d166a42718aed302e (patch)
tree9913b327cc443e5eb3d399eafb9d460d9261d2f2 /drivers/gpu/drm/i915/i915_gem_gtt.c
parentdrm/i915: preserve other DP_TEST_SINK bits. (diff)
parentdrm/i915/skl: Move gen9 pm initialization into its own branch (diff)
downloadlinux-dev-955e36d0b4d3e29c9c8a865d166a42718aed302e.tar.xz
linux-dev-955e36d0b4d3e29c9c8a865d166a42718aed302e.zip
Merge branch 'topic/skl-stage1' into drm-intel-next-queued
SKL stage 1 patches still need polish so will likely miss the 3.18 merge window. We've decided to postpone to 3.19 so let's pull this in to make patch merging and conflict handling easier. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 90c9bf6e71b7..273dad964e1b 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1100,7 +1100,7 @@ static int __hw_ppgtt_init(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt)
if (INTEL_INFO(dev)->gen < 8)
return gen6_ppgtt_init(ppgtt);
- else if (IS_GEN8(dev))
+ else if (IS_GEN8(dev) || IS_GEN9(dev))
return gen8_ppgtt_init(ppgtt, dev_priv->gtt.base.total);
else
BUG();
@@ -1853,6 +1853,18 @@ static size_t chv_get_stolen_size(u16 gmch_ctrl)
return (gmch_ctrl - 0x17 + 9) << 22;
}
+static size_t gen9_get_stolen_size(u16 gen9_gmch_ctl)
+{
+ gen9_gmch_ctl >>= BDW_GMCH_GMS_SHIFT;
+ gen9_gmch_ctl &= BDW_GMCH_GMS_MASK;
+
+ if (gen9_gmch_ctl < 0xf0)
+ return gen9_gmch_ctl << 25; /* 32 MB units */
+ else
+ /* 4MB increments starting at 0xf0 for 4MB */
+ return (gen9_gmch_ctl - 0xf0 + 1) << 22;
+}
+
static int ggtt_probe_common(struct drm_device *dev,
size_t gtt_size)
{
@@ -1949,7 +1961,10 @@ static int gen8_gmch_probe(struct drm_device *dev,
pci_read_config_word(dev->pdev, SNB_GMCH_CTRL, &snb_gmch_ctl);
- if (IS_CHERRYVIEW(dev)) {
+ if (INTEL_INFO(dev)->gen >= 9) {
+ *stolen = gen9_get_stolen_size(snb_gmch_ctl);
+ gtt_size = gen8_get_total_gtt_size(snb_gmch_ctl);
+ } else if (IS_CHERRYVIEW(dev)) {
*stolen = chv_get_stolen_size(snb_gmch_ctl);
gtt_size = chv_get_total_gtt_size(snb_gmch_ctl);
} else {
@@ -2121,6 +2136,7 @@ static struct i915_vma *__i915_gem_vma_create(struct drm_i915_gem_object *obj,
vma->obj = obj;
switch (INTEL_INFO(vm->dev)->gen) {
+ case 9:
case 8:
case 7:
case 6: