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drm/i915: Rename local struct intel_engine_cs variables

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Done by the Coccinelle script below plus a manual
intervention to GEN8_RING_SEMAPHORE_INIT.

@@
expression E;
@@
- struct intel_engine_cs *ring = E;
+ struct intel_engine_cs *engine = E;
<+...
- ring
+ engine
...+>
@@
@@
- struct intel_engine_cs *ring;
+ struct intel_engine_cs *engine;
<+...
- ring
+ engine
...+>

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Tvrtko Ursulin
2016-03-16 11:00:36 +00:00
parent 08250c4ba6
commit e2f8039147
17 changed files with 1030 additions and 1000 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
drivers/gpu/drm/i915/i915_irq.c
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@@ -1079,11 +1079,11 @@ static u32 vlv_wa_c0_ei(struct drm_i915_private *dev_priv, u32 pm_iir)
static bool any_waiters(struct drm_i915_private *dev_priv)
{
struct intel_engine_cs *ring;
struct intel_engine_cs *engine;
int i;
for_each_ring(ring, dev_priv, i)
if (ring->irq_refcount)
for_each_ring(engine, dev_priv, i)
if (engine->irq_refcount)
return true;
return false;
@@ -2449,7 +2449,7 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg)
static void i915_error_wake_up(struct drm_i915_private *dev_priv,
bool reset_completed)
{
struct intel_engine_cs *ring;
struct intel_engine_cs *engine;
int i;
/*
@@ -2460,8 +2460,8 @@ static void i915_error_wake_up(struct drm_i915_private *dev_priv,
*/
/* Wake up __wait_seqno, potentially holding dev->struct_mutex. */
for_each_ring(ring, dev_priv, i)
wake_up_all(&ring->irq_queue);
for_each_ring(engine, dev_priv, i)
wake_up_all(&engine->irq_queue);
/* Wake up intel_crtc_wait_for_pending_flips, holding crtc->mutex. */
wake_up_all(&dev_priv->pending_flip_queue);
@@ -2956,11 +2956,11 @@ static int semaphore_passed(struct intel_engine_cs *ring)
static void semaphore_clear_deadlocks(struct drm_i915_private *dev_priv)
{
struct intel_engine_cs *ring;
struct intel_engine_cs *engine;
int i;
for_each_ring(ring, dev_priv, i)
ring->hangcheck.deadlock = 0;
for_each_ring(engine, dev_priv, i)
engine->hangcheck.deadlock = 0;
}
static bool subunits_stuck(struct intel_engine_cs *ring)
@@ -3071,7 +3071,7 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
container_of(work, typeof(*dev_priv),
gpu_error.hangcheck_work.work);
struct drm_device *dev = dev_priv->dev;
struct intel_engine_cs *ring;
struct intel_engine_cs *engine;
int i;
int busy_count = 0, rings_hung = 0;
bool stuck[I915_NUM_RINGS] = { 0 };
@@ -3096,33 +3096,33 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
*/
intel_uncore_arm_unclaimed_mmio_detection(dev_priv);
for_each_ring(ring, dev_priv, i) {
for_each_ring(engine, dev_priv, i) {
u64 acthd;
u32 seqno;
bool busy = true;
semaphore_clear_deadlocks(dev_priv);
seqno = ring->get_seqno(ring, false);
acthd = intel_ring_get_active_head(ring);
seqno = engine->get_seqno(engine, false);
acthd = intel_ring_get_active_head(engine);
if (ring->hangcheck.seqno == seqno) {
if (ring_idle(ring, seqno)) {
ring->hangcheck.action = HANGCHECK_IDLE;
if (engine->hangcheck.seqno == seqno) {
if (ring_idle(engine, seqno)) {
engine->hangcheck.action = HANGCHECK_IDLE;
if (waitqueue_active(&ring->irq_queue)) {
if (waitqueue_active(&engine->irq_queue)) {
/* Issue a wake-up to catch stuck h/w. */
if (!test_and_set_bit(ring->id, &dev_priv->gpu_error.missed_irq_rings)) {
if (!(dev_priv->gpu_error.test_irq_rings & intel_ring_flag(ring)))
if (!test_and_set_bit(engine->id, &dev_priv->gpu_error.missed_irq_rings)) {
if (!(dev_priv->gpu_error.test_irq_rings & intel_ring_flag(engine)))
DRM_ERROR("Hangcheck timer elapsed... %s idle\n",
ring->name);
engine->name);
else
DRM_INFO("Fake missed irq on %s\n",
ring->name);
wake_up_all(&ring->irq_queue);
engine->name);
wake_up_all(&engine->irq_queue);
}
/* Safeguard against driver failure */
ring->hangcheck.score += BUSY;
engine->hangcheck.score += BUSY;
} else
busy = false;
} else {
@@ -3141,53 +3141,53 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
* being repeatedly kicked and so responsible
* for stalling the machine.
*/
ring->hangcheck.action = ring_stuck(ring,
acthd);
engine->hangcheck.action = ring_stuck(engine,
acthd);
switch (ring->hangcheck.action) {
switch (engine->hangcheck.action) {
case HANGCHECK_IDLE:
case HANGCHECK_WAIT:
break;
case HANGCHECK_ACTIVE:
ring->hangcheck.score += BUSY;
engine->hangcheck.score += BUSY;
break;
case HANGCHECK_KICK:
ring->hangcheck.score += KICK;
engine->hangcheck.score += KICK;
break;
case HANGCHECK_HUNG:
ring->hangcheck.score += HUNG;
engine->hangcheck.score += HUNG;
stuck[i] = true;
break;
}
}
} else {
ring->hangcheck.action = HANGCHECK_ACTIVE;
engine->hangcheck.action = HANGCHECK_ACTIVE;
/* Gradually reduce the count so that we catch DoS
* attempts across multiple batches.
*/
if (ring->hangcheck.score > 0)
ring->hangcheck.score -= ACTIVE_DECAY;
if (ring->hangcheck.score < 0)
ring->hangcheck.score = 0;
if (engine->hangcheck.score > 0)
engine->hangcheck.score -= ACTIVE_DECAY;
if (engine->hangcheck.score < 0)
engine->hangcheck.score = 0;
/* Clear head and subunit states on seqno movement */
ring->hangcheck.acthd = 0;
engine->hangcheck.acthd = 0;
memset(ring->hangcheck.instdone, 0,
sizeof(ring->hangcheck.instdone));
memset(engine->hangcheck.instdone, 0,
sizeof(engine->hangcheck.instdone));
}
ring->hangcheck.seqno = seqno;
ring->hangcheck.acthd = acthd;
engine->hangcheck.seqno = seqno;
engine->hangcheck.acthd = acthd;
busy_count += busy;
}
for_each_ring(ring, dev_priv, i) {
if (ring->hangcheck.score >= HANGCHECK_SCORE_RING_HUNG) {
for_each_ring(engine, dev_priv, i) {
if (engine->hangcheck.score >= HANGCHECK_SCORE_RING_HUNG) {
DRM_INFO("%s on %s\n",
stuck[i] ? "stuck" : "no progress",
ring->name);
engine->name);
rings_hung++;
}
}