[Intel-gfx] [PATCH] drm/i915: Convert PAT setup to uncore mmio
Tvrtko Ursulin
tvrtko.ursulin at linux.intel.com
Thu Oct 24 09:34:40 UTC 2019
From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
One more thing which relied on implicit dev_priv can be covnerted to use
the new mmio accessors.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 98 +++++++++++++++++------------
1 file changed, 59 insertions(+), 39 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 3148d5946b63..3d3a8db18a07 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -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 *
--
2.20.1
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