From 500bfa380e112f744f8ae316c88c0e849833d804 Mon Sep 17 00:00:00 2001 From: Tvrtko Ursulin Date: Fri, 21 Jun 2019 08:07:45 +0100 Subject: [PATCH] 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 Reviewed-by: Rodrigo Vivi Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-7-tvrtko.ursulin@linux.intel.com --- drivers/gpu/drm/i915/i915_drv.c | 4 ++-- drivers/gpu/drm/i915/i915_drv.h | 1 - drivers/gpu/drm/i915/i915_gem.c | 25 +-------------------- drivers/gpu/drm/i915/i915_gem_fence_reg.c | 37 +++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/i915_gem_fence_reg.h | 3 +++ 5 files changed, 43 insertions(+), 27 deletions(-) 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 @@ static int intel_runtime_suspend(struct device *kdev) 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 @@ static int intel_runtime_resume(struct device *kdev) * 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 @@ bool i915_gem_unset_wedged(struct drm_i915_private *dev_priv); 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 @@ void i915_gem_sanitize(struct drm_i915_private *i915) 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 @@ int i915_gem_init_hw(struct drm_i915_private *dev_priv) /* ...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 @@ void i915_ggtt_init_fences(struct i915_ggtt *ggtt) 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_gem_object; 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_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj, void i915_ggtt_init_fences(struct i915_ggtt *ggtt); +void intel_gt_init_swizzling(struct intel_gt *gt); + #endif -- 2.7.4