diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_atomic_plane.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_atomic_plane.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c index 76d77d5a0409..769010d0ebc4 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c @@ -429,10 +429,20 @@ static bool intel_plane_do_async_flip(struct intel_plane *plane, * In platforms after DISPLAY13, we might need to override * first async flip in order to change watermark levels * as part of optimization. - * So for those, we are checking if this is a first async flip. - * For platforms earlier than DISPLAY13 we always do async flip. + * + * And let's do this for all skl+ so that we can eg. change the + * modifier as well. + * + * TODO: For older platforms there is less reason to do this as + * only X-tile is supported with async flips, though we could + * extend this so other scanout parameters (stride/etc) could + * be changed as well... + * + * FIXME: Platforms with need_async_flip_disable_wa==true will + * now end up doing two sync flips initially. Would be nice to + * combine those into just the one sync flip... */ - return DISPLAY_VER(i915) < 13 || old_crtc_state->uapi.async_flip; + return DISPLAY_VER(i915) < 9 || old_crtc_state->uapi.async_flip; } static bool i9xx_must_disable_cxsr(const struct intel_crtc_state *new_crtc_state, |