diff options
| author |   Andi Shyti <andi.shyti@intel.com> | 2019-10-24 22:16:42 +0100 |
|---|---|---|
| committer |   Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-26 19:28:59 +0100 |
| commit | 9fb94522ddf2d3dca0d723e53db5f3f5ffb5487b (patch) | |
| tree | 68e01130fbc04a37fdb29307c1661c71eefacadb /drivers/gpu/drm/i915/i915_irq.c | |
| parent | drm/i915: Extract GT render power state management (diff) | |
| download | linux-dev-9fb94522ddf2d3dca0d723e53db5f3f5ffb5487b.tar.xz linux-dev-9fb94522ddf2d3dca0d723e53db5f3f5ffb5487b.zip | |
drm/i915: Extract the GuC interrupt handlers
Pull the GuC interrupt handlers out of i915_irq.c. They now use the GT
interrupt facilities rather than the central dispatch.
Based on a patch by Chris Wilson.
Signed-off-by: Andi Shyti <andi.shyti@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191024211642.7688-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 8a3aed17c3b7..0a3861c873ee 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -321,99 +321,6 @@ void ilk_update_display_irq(struct drm_i915_private *dev_priv, } } -static i915_reg_t gen6_pm_iir(struct drm_i915_private *dev_priv) -{ - WARN_ON_ONCE(INTEL_GEN(dev_priv) >= 11); - - return INTEL_GEN(dev_priv) >= 8 ? GEN8_GT_IIR(2) : GEN6_PMIIR; -} - -void gen9_reset_guc_interrupts(struct intel_guc *guc) -{ - struct intel_gt *gt = guc_to_gt(guc); - - assert_rpm_wakelock_held(gt->uncore->rpm); - - spin_lock_irq(>->irq_lock); - gen6_gt_pm_reset_iir(gt, gt->pm_guc_events); - spin_unlock_irq(>->irq_lock); -} - -void gen9_enable_guc_interrupts(struct intel_guc *guc) -{ - struct intel_gt *gt = guc_to_gt(guc); - - assert_rpm_wakelock_held(gt->uncore->rpm); - - spin_lock_irq(>->irq_lock); - if (!guc->interrupts.enabled) { - WARN_ON_ONCE(intel_uncore_read(gt->uncore, - gen6_pm_iir(gt->i915)) & - gt->pm_guc_events); - guc->interrupts.enabled = true; - gen6_gt_pm_enable_irq(gt, gt->pm_guc_events); - } - spin_unlock_irq(>->irq_lock); -} - -void gen9_disable_guc_interrupts(struct intel_guc *guc) -{ - struct intel_gt *gt = guc_to_gt(guc); - - assert_rpm_wakelock_held(gt->uncore->rpm); - - spin_lock_irq(>->irq_lock); - guc->interrupts.enabled = false; - - gen6_gt_pm_disable_irq(gt, gt->pm_guc_events); - - spin_unlock_irq(>->irq_lock); - intel_synchronize_irq(gt->i915); - - gen9_reset_guc_interrupts(guc); -} - -void gen11_reset_guc_interrupts(struct intel_guc *guc) -{ - struct intel_gt *gt = guc_to_gt(guc); - - spin_lock_irq(>->irq_lock); - gen11_gt_reset_one_iir(gt, 0, GEN11_GUC); - spin_unlock_irq(>->irq_lock); -} - -void gen11_enable_guc_interrupts(struct intel_guc *guc) -{ - struct intel_gt *gt = guc_to_gt(guc); - - spin_lock_irq(>->irq_lock); - if (!guc->interrupts.enabled) { - u32 events = REG_FIELD_PREP(ENGINE1_MASK, GUC_INTR_GUC2HOST); - - WARN_ON_ONCE(gen11_gt_reset_one_iir(gt, 0, GEN11_GUC)); - intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_ENABLE, events); - intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_MASK, ~events); - guc->interrupts.enabled = true; - } - spin_unlock_irq(>->irq_lock); -} - -void gen11_disable_guc_interrupts(struct intel_guc *guc) -{ - struct intel_gt *gt = guc_to_gt(guc); - - spin_lock_irq(>->irq_lock); - guc->interrupts.enabled = false; - - intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_MASK, ~0); - intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_ENABLE, 0); - - spin_unlock_irq(>->irq_lock); - intel_synchronize_irq(gt->i915); - - gen11_reset_guc_interrupts(guc); -} - /** * bdw_update_port_irq - update DE port interrupt * @dev_priv: driver private |