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[34/50] drm/i915: extract display_pipe_crc_update

Message ID 1406258918-18934-35-git-send-email-dheerajx.s.jamwal@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dheeraj Jamwal July 25, 2014, 3:28 a.m. UTC 
From: Daniel Vetter <daniel.vetter@ffwll.ch>

The ringbuffer update logic should always be the same, but different
platforms have different amounts of CRC registers. Hence extract it.

Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit eba94eb90138caf0b22797dc5fd802e28d253dcf)

Signed-off-by: Dheeraj Jamwal <dheerajx.s.jamwal@intel.com>
---
 drivers/gpu/drm/i915/i915_irq.c |   30 +++++++++++++++++++++++-------
 1 file changed, 23 insertions(+), 7 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 8c9148c..df031bb 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1190,7 +1190,10 @@  static void dp_aux_irq_handler(struct drm_device *dev)
 }
 
 #if defined(CONFIG_DEBUG_FS)
-static void ivb_pipe_crc_update(struct drm_device *dev, enum pipe pipe)
+static void display_pipe_crc_update(struct drm_device *dev, enum pipe pipe,
+				    uint32_t crc0, uint32_t crc1,
+				    uint32_t crc2, uint32_t crc3,
+				    uint32_t crc4, uint32_t frame)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];
@@ -1212,18 +1215,31 @@  static void ivb_pipe_crc_update(struct drm_device *dev, enum pipe pipe)
 
 	entry = &pipe_crc->entries[head];
 
-	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));
-	entry->crc[3] = I915_READ(PIPE_CRC_RES_4_IVB(pipe));
-	entry->crc[4] = I915_READ(PIPE_CRC_RES_5_IVB(pipe));
+	entry->frame = frame;
+	entry->crc[0] = crc0;
+	entry->crc[1] = crc1;
+	entry->crc[2] = crc2;
+	entry->crc[3] = crc3;
+	entry->crc[4] = crc4;
 
 	head = (head + 1) & (INTEL_PIPE_CRC_ENTRIES_NR - 1);
 	atomic_set(&pipe_crc->head, head);
 
 	wake_up_interruptible(&pipe_crc->wq);
 }
+
+static void ivb_pipe_crc_update(struct drm_device *dev, enum pipe pipe)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	display_pipe_crc_update(dev, pipe,
+				I915_READ(PIPE_CRC_RES_1_IVB(pipe)),
+				I915_READ(PIPE_CRC_RES_2_IVB(pipe)),
+				I915_READ(PIPE_CRC_RES_3_IVB(pipe)),
+				I915_READ(PIPE_CRC_RES_4_IVB(pipe)),
+				I915_READ(PIPE_CRC_RES_5_IVB(pipe)),
+				I915_READ(PIPEFRAME(pipe)));
+}
 #else
 static inline void ivb_pipe_crc_update(struct drm_device *dev, int pipe) {}
 #endif