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drm/i915: Sample the frame counter instead of a timestamp for CRCs

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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau
2013-10-15 18:55:30 +01:00
committed by Daniel Vetter
parent b2c88f5b1d
commit ac2300d4d5
3 changed files with 5 additions and 9 deletions
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8
drivers/gpu/drm/i915/i915_irq.c
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@@ -1195,8 +1195,7 @@ static void ivb_pipe_crc_update(struct drm_device *dev, enum pipe pipe)
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];
struct intel_pipe_crc_entry *entry;
ktime_t now;
int ts, head, tail;
int head, tail;
head = atomic_read(&pipe_crc->head);
tail = atomic_read(&pipe_crc->tail);
@@ -1208,10 +1207,7 @@ static void ivb_pipe_crc_update(struct drm_device *dev, enum pipe pipe)
entry = &pipe_crc->entries[head];
now = ktime_get();
ts = ktime_to_us(now);
entry->timestamp = ts;
entry->frame = I915_READ(PIPEFRAME(pipe));
entry->crc[0] = I915_READ(PIPE_CRC_RES_1_IVB(pipe));
entry->crc[1] = I915_READ(PIPE_CRC_RES_2_IVB(pipe));
entry->crc[2] = I915_READ(PIPE_CRC_RES_3_IVB(pipe));