[PATCH v4 4/5] drm/i915: only flip frontbuffer if crtc is active

Gustavo Padovan
2014-10-24T13:51:34Z

From: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

There is no point in flipping a buffer for a disabled crtc.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
---
drivers/gpu/drm/i915/intel_display.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8530401..9a913f5 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8544,9 +8544,9 @@ static int intel_crtc_cursor_set_obj(struct drm_crtc *crtc,
if (old_width != width)
intel_update_watermarks(crtc);
intel_crtc_update_cursor(crtc, intel_crtc->cursor_bo != NULL);
- }

- intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_CURSOR(pipe));
+ intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_CURSOR(pipe));
+ }

return 0;
fail_unpin:
--
1.9.3