diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ce7a46b..22966bd 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5098,14 +5098,16 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc, work->pending_flip_obj = obj; if (intel_crtc->plane) - flip_mask = I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT; + flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; else - flip_mask = I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT; + flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; - /* Wait for any previous flip to finish */ - if (IS_GEN3(dev)) - while (I915_READ(ISR) & flip_mask) - ; + if (IS_GEN3(dev) || IS_GEN2(dev)) { + BEGIN_LP_RING(2); + OUT_RING(MI_WAIT_FOR_EVENT | flip_mask); + OUT_RING(0); + ADVANCE_LP_RING(); + } /* Offset into the new buffer for cases of shared fbs between CRTCs */ offset = obj_priv->gtt_offset; |
