drm/i915: give more distinctive names to ring hangcheck action enums

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

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index e414ada..474748f 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2214,7 +2214,7 @@ 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 34467ed..06659a7 100644 (file)
--- 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 (file)
--- 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;