[PATCH 2/3] drm/i915: Remove some legacy mmio accessors from interrupt handling

Tvrtko Ursulin
2019-07-02T10:23:25Z

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Mostly in gen11 interrupt handling and a couple neighbouring functions
which were easy since uncore local was already available.

Co-authored-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
---
drivers/gpu/drm/i915/i915_irq.c | 75 +++++++++++++++++----------------
1 file changed, 39 insertions(+), 36 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 952053e611f8..817deff20bdd 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3479,12 +3479,12 @@ static void vlv_display_irq_reset(struct drm_i915_private *dev_priv)
struct intel_uncore *uncore = &dev_priv->uncore;

if (IS_CHERRYVIEW(dev_priv))
- I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK_CHV);
+ intel_uncore_write(uncore, DPINVGTT, DPINVGTT_STATUS_MASK_CHV);
else
- I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK);
+ intel_uncore_write(uncore, DPINVGTT, DPINVGTT_STATUS_MASK);

i915_hotplug_interrupt_update_locked(dev_priv, 0xffffffff, 0);
- I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
+ intel_uncore_write(uncore, PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));

i9xx_pipestat_irq_reset(dev_priv);

@@ -3531,11 +3531,11 @@ static void ironlake_irq_reset(struct drm_i915_private *dev_priv)

GEN3_IRQ_RESET(uncore, DE);
if (IS_GEN(dev_priv, 7))
- I915_WRITE(GEN7_ERR_INT, 0xffffffff);
+ intel_uncore_write(uncore, GEN7_ERR_INT, 0xffffffff);

if (IS_HASWELL(dev_priv)) {
- I915_WRITE(EDP_PSR_IMR, 0xffffffff);
- I915_WRITE(EDP_PSR_IIR, 0xffffffff);
+ intel_uncore_write(uncore, EDP_PSR_IMR, 0xffffffff);
+ intel_uncore_write(uncore, EDP_PSR_IIR, 0xffffffff);
}

gen5_gt_irq_reset(dev_priv);
@@ -3575,8 +3575,8 @@ static void gen8_irq_reset(struct drm_i915_private *dev_priv)

gen8_gt_irq_reset(dev_priv);

- I915_WRITE(EDP_PSR_IMR, 0xffffffff);
- I915_WRITE(EDP_PSR_IIR, 0xffffffff);
+ intel_uncore_write(uncore, EDP_PSR_IMR, 0xffffffff);
+ intel_uncore_write(uncore, EDP_PSR_IIR, 0xffffffff);

for_each_pipe(dev_priv, pipe)
if (intel_display_power_is_enabled(dev_priv,
@@ -3593,23 +3593,23 @@ static void gen8_irq_reset(struct drm_i915_private *dev_priv)

static void gen11_gt_irq_reset(struct intel_gt *gt)
{
- struct drm_i915_private *dev_priv = gt->i915;
+ struct intel_uncore *uncore = gt->uncore;

/* Disable RCS, BCS, VCS and VECS class engines. */
- I915_WRITE(GEN11_RENDER_COPY_INTR_ENABLE, 0);
- I915_WRITE(GEN11_VCS_VECS_INTR_ENABLE, 0);
+ intel_uncore_write(uncore, GEN11_RENDER_COPY_INTR_ENABLE, 0);
+ intel_uncore_write(uncore, GEN11_VCS_VECS_INTR_ENABLE, 0);

/* Restore masks irqs on RCS, BCS, VCS and VECS engines. */
- I915_WRITE(GEN11_RCS0_RSVD_INTR_MASK, ~0);
- I915_WRITE(GEN11_BCS_RSVD_INTR_MASK, ~0);
- I915_WRITE(GEN11_VCS0_VCS1_INTR_MASK, ~0);
- I915_WRITE(GEN11_VCS2_VCS3_INTR_MASK, ~0);
- I915_WRITE(GEN11_VECS0_VECS1_INTR_MASK, ~0);
-
- I915_WRITE(GEN11_GPM_WGBOXPERF_INTR_ENABLE, 0);
- I915_WRITE(GEN11_GPM_WGBOXPERF_INTR_MASK, ~0);
- I915_WRITE(GEN11_GUC_SG_INTR_ENABLE, 0);
- I915_WRITE(GEN11_GUC_SG_INTR_MASK, ~0);
+ intel_uncore_write(uncore, GEN11_RCS0_RSVD_INTR_MASK, ~0);
+ intel_uncore_write(uncore, GEN11_BCS_RSVD_INTR_MASK, ~0);
+ intel_uncore_write(uncore, GEN11_VCS0_VCS1_INTR_MASK, ~0);
+ intel_uncore_write(uncore, GEN11_VCS2_VCS3_INTR_MASK, ~0);
+ intel_uncore_write(uncore, GEN11_VECS0_VECS1_INTR_MASK, ~0);
+
+ intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_ENABLE, 0);
+ intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_MASK, ~0);
+ intel_uncore_write(uncore, GEN11_GUC_SG_INTR_ENABLE, 0);
+ intel_uncore_write(uncore, GEN11_GUC_SG_INTR_MASK, ~0);
}

static void gen11_irq_reset(struct drm_i915_private *dev_priv)
@@ -3621,10 +3621,10 @@ static void gen11_irq_reset(struct drm_i915_private *dev_priv)

gen11_gt_irq_reset(&dev_priv->gt);

- I915_WRITE(GEN11_DISPLAY_INT_CTL, 0);
+ intel_uncore_write(uncore, GEN11_DISPLAY_INT_CTL, 0);

- I915_WRITE(EDP_PSR_IMR, 0xffffffff);
- I915_WRITE(EDP_PSR_IIR, 0xffffffff);
+ intel_uncore_write(uncore, EDP_PSR_IMR, 0xffffffff);
+ intel_uncore_write(uncore, EDP_PSR_IIR, 0xffffffff);

for_each_pipe(dev_priv, pipe)
if (intel_display_power_is_enabled(dev_priv,
@@ -4227,21 +4227,24 @@ static void gen8_irq_postinstall(struct drm_i915_private *dev_priv)

static void gen11_gt_irq_postinstall(struct intel_gt *gt)
{
- struct drm_i915_private *dev_priv = gt->i915;
const u32 irqs = GT_RENDER_USER_INTERRUPT | GT_CONTEXT_SWITCH_INTERRUPT;
+ struct drm_i915_private *dev_priv = gt->i915;
+ struct intel_uncore *uncore = gt->uncore;
+ const u32 dmask = irqs << 16 | irqs;
+ const u32 smask = irqs << 16;

BUILD_BUG_ON(irqs & 0xffff0000);

/* Enable RCS, BCS, VCS and VECS class interrupts. */
- I915_WRITE(GEN11_RENDER_COPY_INTR_ENABLE, irqs << 16 | irqs);
- I915_WRITE(GEN11_VCS_VECS_INTR_ENABLE, irqs << 16 | irqs);
+ intel_uncore_write(uncore, GEN11_RENDER_COPY_INTR_ENABLE, dmask);
+ intel_uncore_write(uncore, GEN11_VCS_VECS_INTR_ENABLE, dmask);

/* Unmask irqs on RCS, BCS, VCS and VECS engines. */
- I915_WRITE(GEN11_RCS0_RSVD_INTR_MASK, ~(irqs << 16));
- I915_WRITE(GEN11_BCS_RSVD_INTR_MASK, ~(irqs << 16));
- I915_WRITE(GEN11_VCS0_VCS1_INTR_MASK, ~(irqs | irqs << 16));
- I915_WRITE(GEN11_VCS2_VCS3_INTR_MASK, ~(irqs | irqs << 16));
- I915_WRITE(GEN11_VECS0_VECS1_INTR_MASK, ~(irqs | irqs << 16));
+ intel_uncore_write(uncore, GEN11_RCS0_RSVD_INTR_MASK, ~smask);
+ intel_uncore_write(uncore, GEN11_BCS_RSVD_INTR_MASK, ~smask);
+ intel_uncore_write(uncore, GEN11_VCS0_VCS1_INTR_MASK, ~dmask);
+ intel_uncore_write(uncore, GEN11_VCS2_VCS3_INTR_MASK, ~dmask);
+ intel_uncore_write(uncore, GEN11_VECS0_VECS1_INTR_MASK, ~dmask);

/*
* RPS interrupts will get enabled/disabled on demand when RPS itself
@@ -4249,12 +4252,12 @@ static void gen11_gt_irq_postinstall(struct intel_gt *gt)
*/
dev_priv->pm_ier = 0x0;
dev_priv->pm_imr = ~dev_priv->pm_ier;
- I915_WRITE(GEN11_GPM_WGBOXPERF_INTR_ENABLE, 0);
- I915_WRITE(GEN11_GPM_WGBOXPERF_INTR_MASK, ~0);
+ intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_ENABLE, 0);
+ intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_MASK, ~0);

/* Same thing for GuC interrupts */
- I915_WRITE(GEN11_GUC_SG_INTR_ENABLE, 0);
- I915_WRITE(GEN11_GUC_SG_INTR_MASK, ~0);
+ intel_uncore_write(uncore, GEN11_GUC_SG_INTR_ENABLE, 0);
+ intel_uncore_write(uncore, GEN11_GUC_SG_INTR_MASK, ~0);
}

static void icp_irq_postinstall(struct drm_i915_private *dev_priv)
--
2.20.1