[PATCH 1/2] drm/i915: give more distinctive names to ring hangcheck action enums

[Jani Nikula <jani.nikula@xxxxxxxxx>]

The short lowercase names are bound to collide. The default warnings
don't even warn about shadowing.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_gem.c         |    2 +-
 drivers/gpu/drm/i915/i915_irq.c         |   22 +++++++++++-----------
 drivers/gpu/drm/i915/intel_ringbuffer.h |    7 ++++++-
 3 files changed, 18 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index f7f3cba..66e36fa 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2201,7 +2201,7 @@ static void i915_set_reset_status(struct intel_ring_buffer *ring,
 		offset = i915_gem_obj_offset(request->batch_obj,
 					     request_to_vm(request));
 
-	if (ring->hangcheck.action != wait &&
+	if (ring->hangcheck.action != HANGCHECK_WAIT &&
 	    i915_request_guilty(request, acthd, &inside)) {
 		DRM_ERROR("%s hung %s bo (0x%lx ctx %d) at 0x%x\n",
 			  ring->name,
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 8a77faf..42e6e8a 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1826,10 +1826,10 @@ ring_stuck(struct intel_ring_buffer *ring, u32 acthd)
 	u32 tmp;
 
 	if (ring->hangcheck.acthd != acthd)
-		return active;
+		return HANGCHECK_ACTIVE;
 
 	if (IS_GEN2(dev))
-		return hung;
+		return HANGCHECK_HUNG;
 
 	/* Is the chip hanging on a WAIT_FOR_EVENT?
 	 * If so we can simply poke the RB_WAIT bit
@@ -1841,24 +1841,24 @@ ring_stuck(struct intel_ring_buffer *ring, u32 acthd)
 		DRM_ERROR("Kicking stuck wait on %s\n",
 			  ring->name);
 		I915_WRITE_CTL(ring, tmp);
-		return kick;
+		return HANGCHECK_KICK;
 	}
 
 	if (INTEL_INFO(dev)->gen >= 6 && tmp & RING_WAIT_SEMAPHORE) {
 		switch (semaphore_passed(ring)) {
 		default:
-			return hung;
+			return HANGCHECK_HUNG;
 		case 1:
 			DRM_ERROR("Kicking stuck semaphore on %s\n",
 				  ring->name);
 			I915_WRITE_CTL(ring, tmp);
-			return kick;
+			return HANGCHECK_KICK;
 		case 0:
-			return wait;
+			return HANGCHECK_WAIT;
 		}
 	}
 
-	return hung;
+	return HANGCHECK_HUNG;
 }
 
 /**
@@ -1926,16 +1926,16 @@ static void i915_hangcheck_elapsed(unsigned long data)
 								    acthd);
 
 				switch (ring->hangcheck.action) {
-				case wait:
+				case HANGCHECK_WAIT:
 					score = 0;
 					break;
-				case active:
+				case HANGCHECK_ACTIVE:
 					score = BUSY;
 					break;
-				case kick:
+				case HANGCHECK_KICK:
 					score = KICK;
 					break;
-				case hung:
+				case HANGCHECK_HUNG:
 					score = HUNG;
 					stuck[i] = true;
 					break;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 6e38256..5e6be84 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -37,7 +37,12 @@ struct  intel_hw_status_page {
 #define I915_READ_SYNC_0(ring) I915_READ(RING_SYNC_0((ring)->mmio_base))
 #define I915_READ_SYNC_1(ring) I915_READ(RING_SYNC_1((ring)->mmio_base))
 
-enum intel_ring_hangcheck_action { wait, active, kick, hung };
+enum intel_ring_hangcheck_action {
+	HANGCHECK_WAIT,
+	HANGCHECK_ACTIVE,
+	HANGCHECK_KICK,
+	HANGCHECK_HUNG,
+};
 
 struct intel_ring_hangcheck {
 	bool deadlock;
-- 
1.7.10.4

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