drm/i915: Convert i915_gem_init_swizzling to intel_gt
Start using the newly introduced struct intel_gt to fuse together correct
logical init flow with uncore for more removal of implicit dev_priv in
mmio access.
v2:
* Move code to i915_gem_fence_reg. (Chris)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-7-tvrtko.ursulin@linux.intel.com
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index ef4100e..c02fdef 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -2957,7 +2957,7 @@
intel_uc_resume(dev_priv);
- i915_gem_init_swizzling(dev_priv);
+ intel_gt_init_swizzling(&dev_priv->gt);
i915_gem_restore_fences(dev_priv);
enable_rpm_wakeref_asserts(rpm);
@@ -3059,7 +3059,7 @@
* No point of rolling back things in case of an error, as the best
* we can do is to hope that things will still work (and disable RPM).
*/
- i915_gem_init_swizzling(dev_priv);
+ intel_gt_init_swizzling(&dev_priv->gt);
i915_gem_restore_fences(dev_priv);
/*
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 3509eb8..44196be 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2537,7 +2537,6 @@
void i915_gem_init_mmio(struct drm_i915_private *i915);
int __must_check i915_gem_init(struct drm_i915_private *dev_priv);
int __must_check i915_gem_init_hw(struct drm_i915_private *dev_priv);
-void i915_gem_init_swizzling(struct drm_i915_private *dev_priv);
void i915_gem_fini_hw(struct drm_i915_private *dev_priv);
void i915_gem_fini(struct drm_i915_private *dev_priv);
int i915_gem_wait_for_idle(struct drm_i915_private *dev_priv,
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 9de1b1e..30da603 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1202,29 +1202,6 @@
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
}
-void i915_gem_init_swizzling(struct drm_i915_private *dev_priv)
-{
- if (INTEL_GEN(dev_priv) < 5 ||
- dev_priv->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_NONE)
- return;
-
- I915_WRITE(DISP_ARB_CTL, I915_READ(DISP_ARB_CTL) |
- DISP_TILE_SURFACE_SWIZZLING);
-
- if (IS_GEN(dev_priv, 5))
- return;
-
- I915_WRITE(TILECTL, I915_READ(TILECTL) | TILECTL_SWZCTL);
- if (IS_GEN(dev_priv, 6))
- I915_WRITE(ARB_MODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_SNB));
- else if (IS_GEN(dev_priv, 7))
- I915_WRITE(ARB_MODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_IVB));
- else if (IS_GEN(dev_priv, 8))
- I915_WRITE(GAMTARBMODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_BDW));
- else
- BUG();
-}
-
static void init_unused_ring(struct drm_i915_private *dev_priv, u32 base)
{
I915_WRITE(RING_CTL(base), 0);
@@ -1271,7 +1248,7 @@
/* ...and determine whether they are sticking. */
intel_gt_verify_workarounds(dev_priv, "init");
- i915_gem_init_swizzling(dev_priv);
+ intel_gt_init_swizzling(&dev_priv->gt);
/*
* At least 830 can leave some of the unused rings
diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.c b/drivers/gpu/drm/i915/i915_gem_fence_reg.c
index 0bf53ac1..dd09790 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence_reg.c
+++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.c
@@ -834,3 +834,40 @@
i915_gem_restore_fences(i915);
}
+
+void intel_gt_init_swizzling(struct intel_gt *gt)
+{
+ struct drm_i915_private *i915 = gt->i915;
+ struct intel_uncore *uncore = gt->uncore;
+
+ if (INTEL_GEN(i915) < 5 ||
+ i915->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_NONE)
+ return;
+
+ intel_uncore_write(uncore,
+ DISP_ARB_CTL,
+ intel_uncore_read(uncore, DISP_ARB_CTL) |
+ DISP_TILE_SURFACE_SWIZZLING);
+
+ if (IS_GEN(i915, 5))
+ return;
+
+ intel_uncore_write(uncore,
+ TILECTL,
+ intel_uncore_read(uncore, TILECTL) | TILECTL_SWZCTL);
+
+ if (IS_GEN(i915, 6))
+ intel_uncore_write(uncore,
+ ARB_MODE,
+ _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_SNB));
+ else if (IS_GEN(i915, 7))
+ intel_uncore_write(uncore,
+ ARB_MODE,
+ _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_IVB));
+ else if (IS_GEN(i915, 8))
+ intel_uncore_write(uncore,
+ GAMTARBMODE,
+ _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_BDW));
+ else
+ MISSING_CASE(INTEL_GEN(i915));
+}
diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.h b/drivers/gpu/drm/i915/i915_gem_fence_reg.h
index d2da988..37e4f104 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence_reg.h
+++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.h
@@ -32,6 +32,7 @@
struct drm_i915_private;
struct i915_ggtt;
struct i915_vma;
+struct intel_gt;
struct sg_table;
#define I965_FENCE_PAGE 4096UL
@@ -66,4 +67,6 @@
void i915_ggtt_init_fences(struct i915_ggtt *ggtt);
+void intel_gt_init_swizzling(struct intel_gt *gt);
+
#endif