diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 79 |
1 files changed, 72 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index f3f5f11a5abf..7099c8aaf4fb 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -7401,7 +7401,7 @@ static void kill_bigjoiner_slave(struct intel_atomic_state *state, * Correspondingly, support is currently added for primary plane only. * * Async flip can only change the plane surface address, so anything else - * changing is rejected from the intel_atomic_check_async() function. + * changing is rejected from the intel_async_flip_check_hw() function. * Once this check is cleared, flip done interrupt is enabled using * the intel_crtc_enable_flip_done() function. * @@ -7411,7 +7411,65 @@ static void kill_bigjoiner_slave(struct intel_atomic_state *state, * correspond to the last vblank and have no relation to the actual time when * the flip done event was sent. */ -static int intel_atomic_check_async(struct intel_atomic_state *state, struct intel_crtc *crtc) +static int intel_async_flip_check_uapi(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + struct drm_i915_private *i915 = to_i915(state->base.dev); + const struct intel_crtc_state *new_crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + const struct intel_plane_state *old_plane_state; + struct intel_plane_state *new_plane_state; + struct intel_plane *plane; + int i; + + if (!new_crtc_state->uapi.async_flip) + return 0; + + if (!new_crtc_state->uapi.active) { + drm_dbg_kms(&i915->drm, + "[CRTC:%d:%s] not active\n", + crtc->base.base.id, crtc->base.name); + return -EINVAL; + } + + if (intel_crtc_needs_modeset(new_crtc_state)) { + drm_dbg_kms(&i915->drm, + "[CRTC:%d:%s] modeset required\n", + crtc->base.base.id, crtc->base.name); + return -EINVAL; + } + + for_each_oldnew_intel_plane_in_state(state, plane, old_plane_state, + new_plane_state, i) { + if (plane->pipe != crtc->pipe) + continue; + + /* + * TODO: Async flip is only supported through the page flip IOCTL + * as of now. So support currently added for primary plane only. + * Support for other planes on platforms on which supports + * this(vlv/chv and icl+) should be added when async flip is + * enabled in the atomic IOCTL path. + */ + if (!plane->async_flip) { + drm_dbg_kms(&i915->drm, + "[PLANE:%d:%s] async flip not supported\n", + plane->base.base.id, plane->base.name); + return -EINVAL; + } + + if (!old_plane_state->uapi.fb || !new_plane_state->uapi.fb) { + drm_dbg_kms(&i915->drm, + "[PLANE:%d:%s] no old or new framebuffer\n", + plane->base.base.id, plane->base.name); + return -EINVAL; + } + } + + return 0; +} + +static int intel_async_flip_check_hw(struct intel_atomic_state *state, struct intel_crtc *crtc) { struct drm_i915_private *i915 = to_i915(state->base.dev); const struct intel_crtc_state *old_crtc_state, *new_crtc_state; @@ -7422,6 +7480,9 @@ static int intel_atomic_check_async(struct intel_atomic_state *state, struct int old_crtc_state = intel_atomic_get_old_crtc_state(state, crtc); new_crtc_state = intel_atomic_get_new_crtc_state(state, crtc); + if (!new_crtc_state->uapi.async_flip) + return 0; + if (intel_crtc_needs_modeset(new_crtc_state)) { drm_dbg_kms(&i915->drm, "Modeset Required. Async flip not supported\n"); return -EINVAL; @@ -7616,6 +7677,12 @@ static int intel_atomic_check(struct drm_device *dev, if (ret) goto fail; + for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { + ret = intel_async_flip_check_uapi(state, crtc); + if (ret) + return ret; + } + ret = intel_bigjoiner_add_affected_crtcs(state); if (ret) goto fail; @@ -7772,11 +7839,9 @@ static int intel_atomic_check(struct drm_device *dev, for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { - if (new_crtc_state->uapi.async_flip) { - ret = intel_atomic_check_async(state, crtc); - if (ret) - goto fail; - } + ret = intel_async_flip_check_hw(state, crtc); + if (ret) + goto fail; if (!intel_crtc_needs_modeset(new_crtc_state) && !new_crtc_state->update_pipe) |