From 013857580bbece05a89d6a323799960ffaefdb8c Mon Sep 17 00:00:00 2001 From: Daniele Ceraolo Spurio Date: Wed, 19 Jun 2019 18:00:18 -0700 Subject: [PATCH] drm/i915: kill uncore_to_i915 Let's get rid of it before it proliferates, since with split GT/Display uncores the container_of won't work anymore. I've kept the rpm pointer as well to minimize the pointer chasing in the MMIO accessors. v2: swap parameter order for intel_uncore_init_early (Tvrtko) Signed-off-by: Daniele Ceraolo Spurio Reviewed-by: Tvrtko Ursulin Signed-off-by: Tvrtko Ursulin Link: https://patchwork.freedesktop.org/patch/msgid/20190620010021.20637-4-daniele.ceraolospurio@intel.com --- drivers/gpu/drm/i915/i915_drv.c | 2 +- drivers/gpu/drm/i915/i915_drv.h | 5 ----- drivers/gpu/drm/i915/intel_uncore.c | 24 ++++++++++++------------ drivers/gpu/drm/i915/intel_uncore.h | 4 +++- 4 files changed, 16 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 458784f..00b6512 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -900,7 +900,7 @@ static int i915_driver_init_early(struct drm_i915_private *dev_priv) intel_device_info_subplatform_init(dev_priv); - intel_uncore_init_early(&dev_priv->uncore); + intel_uncore_init_early(&dev_priv->uncore, dev_priv); spin_lock_init(&dev_priv->irq_lock); spin_lock_init(&dev_priv->gpu_error.lock); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index bc909ec..2734f62 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1950,11 +1950,6 @@ static inline struct drm_i915_private *huc_to_i915(struct intel_huc *huc) return container_of(huc, struct drm_i915_private, huc); } -static inline struct drm_i915_private *uncore_to_i915(struct intel_uncore *uncore) -{ - return container_of(uncore, struct drm_i915_private, uncore); -} - /* Simple iterator over all initialised engines */ #define for_each_engine(engine__, dev_priv__, id__) \ for ((id__) = 0; \ diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 63bdada..59cb258 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -322,7 +322,7 @@ static void __gen6_gt_wait_for_fifo(struct intel_uncore *uncore) /* On VLV, FIFO will be shared by both SW and HW. * So, we need to read the FREE_ENTRIES everytime */ - if (IS_VALLEYVIEW(uncore_to_i915(uncore))) + if (IS_VALLEYVIEW(uncore->i915)) n = fifo_free_entries(uncore); else n = uncore->fifo_count; @@ -493,7 +493,7 @@ static void __intel_uncore_early_sanitize(struct intel_uncore *uncore, DRM_DEBUG("unclaimed mmio detected on uncore init, clearing\n"); /* WaDisableShadowRegForCpd:chv */ - if (IS_CHERRYVIEW(uncore_to_i915(uncore))) { + if (IS_CHERRYVIEW(uncore->i915)) { __raw_uncore_write32(uncore, GTFIFOCTL, __raw_uncore_read32(uncore, GTFIFOCTL) | GT_FIFO_CTL_BLOCK_ALL_POLICY_STALL | @@ -622,7 +622,7 @@ void intel_uncore_forcewake_user_put(struct intel_uncore *uncore) spin_lock_irq(&uncore->lock); if (!--uncore->user_forcewake.count) { if (intel_uncore_unclaimed_mmio(uncore)) - dev_info(uncore_to_i915(uncore)->drm.dev, + dev_info(uncore->i915->drm.dev, "Invalid mmio detected during user access\n"); uncore->unclaimed_mmio_check = @@ -1346,7 +1346,7 @@ static void fw_domain_fini(struct intel_uncore *uncore, static void intel_uncore_fw_domains_init(struct intel_uncore *uncore) { - struct drm_i915_private *i915 = uncore_to_i915(uncore); + struct drm_i915_private *i915 = uncore->i915; if (!intel_uncore_has_forcewake(uncore)) return; @@ -1499,7 +1499,7 @@ static int i915_pmic_bus_access_notifier(struct notifier_block *nb, static int uncore_mmio_setup(struct intel_uncore *uncore) { - struct drm_i915_private *i915 = uncore_to_i915(uncore); + struct drm_i915_private *i915 = uncore->i915; struct pci_dev *pdev = i915->drm.pdev; int mmio_bar; int mmio_size; @@ -1529,20 +1529,22 @@ static int uncore_mmio_setup(struct intel_uncore *uncore) static void uncore_mmio_cleanup(struct intel_uncore *uncore) { - struct drm_i915_private *i915 = uncore_to_i915(uncore); - struct pci_dev *pdev = i915->drm.pdev; + struct pci_dev *pdev = uncore->i915->drm.pdev; pci_iounmap(pdev, uncore->regs); } -void intel_uncore_init_early(struct intel_uncore *uncore) +void intel_uncore_init_early(struct intel_uncore *uncore, + struct drm_i915_private *i915) { spin_lock_init(&uncore->lock); + uncore->i915 = i915; + uncore->rpm = &i915->runtime_pm; } int intel_uncore_init_mmio(struct intel_uncore *uncore) { - struct drm_i915_private *i915 = uncore_to_i915(uncore); + struct drm_i915_private *i915 = uncore->i915; int ret; ret = uncore_mmio_setup(uncore); @@ -1561,8 +1563,6 @@ int intel_uncore_init_mmio(struct intel_uncore *uncore) uncore->pmic_bus_access_nb.notifier_call = i915_pmic_bus_access_notifier; - uncore->rpm = &i915->runtime_pm; - if (!intel_uncore_has_forcewake(uncore)) { if (IS_GEN(i915, 5)) { ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, gen5); @@ -1627,7 +1627,7 @@ int intel_uncore_init_mmio(struct intel_uncore *uncore) */ void intel_uncore_prune_mmio_domains(struct intel_uncore *uncore) { - struct drm_i915_private *i915 = uncore_to_i915(uncore); + struct drm_i915_private *i915 = uncore->i915; if (INTEL_GEN(i915) >= 11) { enum forcewake_domains fw_domains = uncore->fw_domains; diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h index 94c00d37..59505a2 100644 --- a/drivers/gpu/drm/i915/intel_uncore.h +++ b/drivers/gpu/drm/i915/intel_uncore.h @@ -102,6 +102,7 @@ struct intel_forcewake_range { struct intel_uncore { void __iomem *regs; + struct drm_i915_private *i915; struct intel_runtime_pm *rpm; spinlock_t lock; /** lock is also taken in irq contexts. */ @@ -182,7 +183,8 @@ intel_uncore_has_fifo(const struct intel_uncore *uncore) return uncore->flags & UNCORE_HAS_FIFO; } -void intel_uncore_init_early(struct intel_uncore *uncore); +void intel_uncore_init_early(struct intel_uncore *uncore, + struct drm_i915_private *i915); int intel_uncore_init_mmio(struct intel_uncore *uncore); void intel_uncore_prune_mmio_domains(struct intel_uncore *uncore); bool intel_uncore_unclaimed_mmio(struct intel_uncore *uncore); -- 2.7.4