diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 881dec88df6e..3617927af269 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13007,17 +13007,6 @@ static int intel_atomic_commit(struct drm_device *dev, struct drm_i915_private *dev_priv = to_i915(dev); int ret = 0; - /* - * The intel_legacy_cursor_update() fast path takes care - * of avoiding the vblank waits for simple cursor - * movement and flips. For cursor on/off and size changes, - * we want to perform the vblank waits so that watermark - * updates happen during the correct frames. Gen9+ have - * double buffered watermarks and so shouldn't need this. - */ - if (INTEL_GEN(dev_priv) < 9) - state->legacy_cursor_update = false; - ret = drm_atomic_helper_setup_commit(state, nonblock); if (ret) return ret; @@ -13033,6 +13022,26 @@ static int intel_atomic_commit(struct drm_device *dev, return ret; } + /* + * The intel_legacy_cursor_update() fast path takes care + * of avoiding the vblank waits for simple cursor + * movement and flips. For cursor on/off and size changes, + * we want to perform the vblank waits so that watermark + * updates happen during the correct frames. Gen9+ have + * double buffered watermarks and so shouldn't need this. + * + * Do this after drm_atomic_helper_setup_commit() and + * intel_atomic_prepare_commit() because we still want + * to skip the flip and fb cleanup waits. Although that + * does risk yanking the mapping from under the display + * engine. + * + * FIXME doing watermarks and fb cleanup from a vblank worker + * (assuming we had any) would solve these problems. + */ + if (INTEL_GEN(dev_priv) < 9) + state->legacy_cursor_update = false; + drm_atomic_helper_swap_state(state, true); dev_priv->wm.distrust_bios_wm = false; intel_shared_dpll_swap_state(state); |