Determining whether we'll need to wait for vblanks is something we should determine during the atomic 'check' phase, not the 'commit' phase. Note that we only set these bits in the branch of 'check' where intel_crtc->active is true so that we don't try to wait on a disabled CRTC. The whole 'wait for vblank after update' flag should go away in the future, once we start handling watermarks in a proper atomic manner. Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> Root-cause-analysis-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89550 Testcase: igt/pm_rpm/legacy-planes Testcase: igt/pm_rpm/legacy-planes-dpms Testcase: igt/pm_rpm/universal-planes Testcase: igt/pm_rpm/universal-planes-dpms Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx> --- Paulo, can you test this patch and see if it solves the problem? The only platform I have access to (IVB) doesn't have runtime power management, so I can't actually run the relevant testcases myself. drivers/gpu/drm/i915/intel_sprite.c | 24 ++++++++++-------------- 1 file changed, 10 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index a828736..fad1d9f 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -747,13 +747,6 @@ ivb_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc) I915_WRITE(SPRSURF(pipe), 0); intel_flush_primary_plane(dev_priv, intel_crtc->plane); - - /* - * Avoid underruns when disabling the sprite. - * FIXME remove once watermark updates are done properly. - */ - intel_crtc->atomic.wait_vblank = true; - intel_crtc->atomic.update_sprite_watermarks |= (1 << drm_plane_index(plane)); } static int @@ -937,13 +930,6 @@ ilk_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc) I915_WRITE(DVSSURF(pipe), 0); intel_flush_primary_plane(dev_priv, intel_crtc->plane); - - /* - * Avoid underruns when disabling the sprite. - * FIXME remove once watermark updates are done properly. - */ - intel_crtc->atomic.wait_vblank = true; - intel_crtc->atomic.update_sprite_watermarks |= (1 << drm_plane_index(plane)); } /** @@ -1262,6 +1248,16 @@ finish: plane->state->fb->modifier[0] != state->base.fb->modifier[0]) intel_crtc->atomic.update_wm = true; + + if (!state->visible) { + /* + * Avoid underruns when disabling the sprite. + * FIXME remove once watermark updates are done properly. + */ + intel_crtc->atomic.wait_vblank = true; + intel_crtc->atomic.update_sprite_watermarks |= + (1 << drm_plane_index(plane)); + } } return 0; -- 1.8.5.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
