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Commit 2c9a4915 authored by Tvrtko Ursulin's avatar Tvrtko Ursulin
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drm/i915: Convert PAT setup to uncore mmio 

One more thing which relied on implicit dev_priv can be covnerted to use
the new mmio accessors.
Signed-off-by: default avatarTvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191024093440.32280-1-tvrtko.ursulin@linux.intel.com
parent 7f47211e
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Showing with 59 additions and 39 deletions
drivers/gpu/drm/i915/i915_gem_gtt.c
View file @ 2c9a4915
......@@ -2922,35 +2922,51 @@ static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size)
return 0;
}
static void tgl_setup_private_ppat(struct drm_i915_private *dev_priv)
static void tgl_setup_private_ppat(struct intel_uncore *uncore)
{
/* TGL doesn't support LLC or AGE settings */
I915_WRITE(GEN12_PAT_INDEX(0), GEN8_PPAT_WB);
I915_WRITE(GEN12_PAT_INDEX(1), GEN8_PPAT_WC);
I915_WRITE(GEN12_PAT_INDEX(2), GEN8_PPAT_WT);
I915_WRITE(GEN12_PAT_INDEX(3), GEN8_PPAT_UC);
I915_WRITE(GEN12_PAT_INDEX(4), GEN8_PPAT_WB);
I915_WRITE(GEN12_PAT_INDEX(5), GEN8_PPAT_WB);
I915_WRITE(GEN12_PAT_INDEX(6), GEN8_PPAT_WB);
I915_WRITE(GEN12_PAT_INDEX(7), GEN8_PPAT_WB);
}
static void cnl_setup_private_ppat(struct drm_i915_private *dev_priv)
{
I915_WRITE(GEN10_PAT_INDEX(0), GEN8_PPAT_WB | GEN8_PPAT_LLC);
I915_WRITE(GEN10_PAT_INDEX(1), GEN8_PPAT_WC | GEN8_PPAT_LLCELLC);
I915_WRITE(GEN10_PAT_INDEX(2), GEN8_PPAT_WT | GEN8_PPAT_LLCELLC);
I915_WRITE(GEN10_PAT_INDEX(3), GEN8_PPAT_UC);
I915_WRITE(GEN10_PAT_INDEX(4), GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(0));
I915_WRITE(GEN10_PAT_INDEX(5), GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(1));
I915_WRITE(GEN10_PAT_INDEX(6), GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(2));
I915_WRITE(GEN10_PAT_INDEX(7), GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3));
intel_uncore_write(uncore, GEN12_PAT_INDEX(0), GEN8_PPAT_WB);
intel_uncore_write(uncore, GEN12_PAT_INDEX(1), GEN8_PPAT_WC);
intel_uncore_write(uncore, GEN12_PAT_INDEX(2), GEN8_PPAT_WT);
intel_uncore_write(uncore, GEN12_PAT_INDEX(3), GEN8_PPAT_UC);
intel_uncore_write(uncore, GEN12_PAT_INDEX(4), GEN8_PPAT_WB);
intel_uncore_write(uncore, GEN12_PAT_INDEX(5), GEN8_PPAT_WB);
intel_uncore_write(uncore, GEN12_PAT_INDEX(6), GEN8_PPAT_WB);
intel_uncore_write(uncore, GEN12_PAT_INDEX(7), GEN8_PPAT_WB);
}
static void cnl_setup_private_ppat(struct intel_uncore *uncore)
{
intel_uncore_write(uncore,
GEN10_PAT_INDEX(0),
GEN8_PPAT_WB | GEN8_PPAT_LLC);
intel_uncore_write(uncore,
GEN10_PAT_INDEX(1),
GEN8_PPAT_WC | GEN8_PPAT_LLCELLC);
intel_uncore_write(uncore,
GEN10_PAT_INDEX(2),
GEN8_PPAT_WT | GEN8_PPAT_LLCELLC);
intel_uncore_write(uncore,
GEN10_PAT_INDEX(3),
GEN8_PPAT_UC);
intel_uncore_write(uncore,
GEN10_PAT_INDEX(4),
GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(0));
intel_uncore_write(uncore,
GEN10_PAT_INDEX(5),
GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(1));
intel_uncore_write(uncore,
GEN10_PAT_INDEX(6),
GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(2));
intel_uncore_write(uncore,
GEN10_PAT_INDEX(7),
GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3));
}
/* The GGTT and PPGTT need a private PPAT setup in order to handle cacheability
* bits. When using advanced contexts each context stores its own PAT, but
* writing this data shouldn't be harmful even in those cases. */
static void bdw_setup_private_ppat(struct drm_i915_private *dev_priv)
static void bdw_setup_private_ppat(struct intel_uncore *uncore)
{
u64 pat;
......@@ -2963,11 +2979,11 @@ static void bdw_setup_private_ppat(struct drm_i915_private *dev_priv)
GEN8_PPAT(6, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(2)) |
GEN8_PPAT(7, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3));
I915_WRITE(GEN8_PRIVATE_PAT_LO, lower_32_bits(pat));
I915_WRITE(GEN8_PRIVATE_PAT_HI, upper_32_bits(pat));
intel_uncore_write(uncore, GEN8_PRIVATE_PAT_LO, lower_32_bits(pat));
intel_uncore_write(uncore, GEN8_PRIVATE_PAT_HI, upper_32_bits(pat));
}
static void chv_setup_private_ppat(struct drm_i915_private *dev_priv)
static void chv_setup_private_ppat(struct intel_uncore *uncore)
{
u64 pat;
......@@ -2999,8 +3015,8 @@ static void chv_setup_private_ppat(struct drm_i915_private *dev_priv)
GEN8_PPAT(6, CHV_PPAT_SNOOP) |
GEN8_PPAT(7, CHV_PPAT_SNOOP);
I915_WRITE(GEN8_PRIVATE_PAT_LO, lower_32_bits(pat));
I915_WRITE(GEN8_PRIVATE_PAT_HI, upper_32_bits(pat));
intel_uncore_write(uncore, GEN8_PRIVATE_PAT_LO, lower_32_bits(pat));
intel_uncore_write(uncore, GEN8_PRIVATE_PAT_HI, upper_32_bits(pat));
}
static void gen6_gmch_remove(struct i915_address_space *vm)
......@@ -3011,18 +3027,20 @@ static void gen6_gmch_remove(struct i915_address_space *vm)
cleanup_scratch_page(vm);
}
static void setup_private_pat(struct drm_i915_private *dev_priv)
static void setup_private_pat(struct intel_uncore *uncore)
{
GEM_BUG_ON(INTEL_GEN(dev_priv) < 8);
struct drm_i915_private *i915 = uncore->i915;
if (INTEL_GEN(dev_priv) >= 12)
tgl_setup_private_ppat(dev_priv);
else if (INTEL_GEN(dev_priv) >= 10)
cnl_setup_private_ppat(dev_priv);
else if (IS_CHERRYVIEW(dev_priv) || IS_GEN9_LP(dev_priv))
chv_setup_private_ppat(dev_priv);
GEM_BUG_ON(INTEL_GEN(i915) < 8);
if (INTEL_GEN(i915) >= 12)
tgl_setup_private_ppat(uncore);
else if (INTEL_GEN(i915) >= 10)
cnl_setup_private_ppat(uncore);
else if (IS_CHERRYVIEW(i915) || IS_GEN9_LP(i915))
chv_setup_private_ppat(uncore);
else
bdw_setup_private_ppat(dev_priv);
bdw_setup_private_ppat(uncore);
}
static int gen8_gmch_probe(struct i915_ggtt *ggtt)
......@@ -3078,7 +3096,7 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt)
ggtt->vm.pte_encode = gen8_pte_encode;
setup_private_pat(dev_priv);
setup_private_pat(ggtt->vm.gt->uncore);
return ggtt_probe_common(ggtt, size);
}
......@@ -3382,10 +3400,12 @@ static void ggtt_restore_mappings(struct i915_ggtt *ggtt)
void i915_gem_restore_gtt_mappings(struct drm_i915_private *i915)
{
ggtt_restore_mappings(&i915->ggtt);
struct i915_ggtt *ggtt = &i915->ggtt;
ggtt_restore_mappings(ggtt);
if (INTEL_GEN(i915) >= 8)
setup_private_pat(i915);
setup_private_pat(ggtt->vm.gt->uncore);
}
static struct scatterlist *
......
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