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[38/50] drm/i915: wait one vblank when disabling CRCs

Message ID 1406258918-18934-39-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>

This avoids a spurious spurious interrupt warning.

Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit bcf17ab2e9a9b15abdfce83461d4f98e0d11aa1a)

Signed-off-by: Dheeraj Jamwal <dheerajx.s.jamwal@intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c |    2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index baa5272..e85507b 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2040,6 +2040,8 @@  static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
 		DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n",
 				 pipe_name(pipe));
 
+		intel_wait_for_vblank(dev, pipe);
+
 		kfree(pipe_crc->entries);
 		pipe_crc->entries = NULL;
 	}