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path: root/drivers/gpu/drm/i915/intel_ringbuffer.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 69ccf4fd22f0..e84d488e167a 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1805,10 +1805,9 @@ static int init_phys_status_page(struct intel_engine_cs *engine)
return 0;
}
-int intel_ring_pin(struct intel_ring *ring)
+int intel_ring_pin(struct intel_ring *ring, unsigned int offset_bias)
{
- /* Ring wraparound at offset 0 sometimes hangs. No idea why. */
- unsigned int flags = PIN_GLOBAL | PIN_OFFSET_BIAS | 4096;
+ unsigned int flags;
enum i915_map_type map;
struct i915_vma *vma = ring->vma;
void *addr;
@@ -1818,6 +1817,9 @@ int intel_ring_pin(struct intel_ring *ring)
map = HAS_LLC(ring->engine->i915) ? I915_MAP_WB : I915_MAP_WC;
+ flags = PIN_GLOBAL;
+ if (offset_bias)
+ flags |= PIN_OFFSET_BIAS | offset_bias;
if (vma->obj->stolen)
flags |= PIN_MAPPABLE;
@@ -2046,7 +2048,8 @@ static int intel_init_ring_buffer(struct intel_engine_cs *engine)
goto error;
}
- ret = intel_ring_pin(ring);
+ /* Ring wraparound at offset 0 sometimes hangs. No idea why. */
+ ret = intel_ring_pin(ring, 4096);
if (ret) {
intel_ring_free(ring);
goto error;