On Thu, May 11, 2017 at 10:28:43AM +0200, Maarten Lankhorst wrote:
> We shouldn't inspect crtc->state, instead grab the crtc state.
> At this point the hw state verifier should be able to run even if
> crtc->state has been updated (which cannot currently happen).
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
pll state checking still looks at ->state directly, we might want to port
that to the new private obj helpers perhaps, with the same new/old
iterators?
Just throwing around some ideas.
-Daniel
> ---
> drivers/gpu/drm/i915/intel_display.c | 24 ++++++++++++++----------
> 1 file changed, 14 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 295e17d0f272..e5205d338e3c 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5893,9 +5893,10 @@ void intel_encoder_destroy(struct drm_encoder *encoder)
>
> /* Cross check the actual hw state with our own modeset state tracking (and it's
> * internal consistency). */
> -static void intel_connector_verify_state(struct intel_connector *connector)
> +static void intel_connector_verify_state(struct drm_crtc_state *crtc_state,
> + struct drm_connector_state *conn_state)
> {
> - struct drm_crtc *crtc = connector->base.state->crtc;
> + struct intel_connector *connector = to_intel_connector(conn_state->connector);
>
> DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
> connector->base.base.id,
> @@ -5903,15 +5904,14 @@ static void intel_connector_verify_state(struct intel_connector *connector)
>
> if (connector->get_hw_state(connector)) {
> struct intel_encoder *encoder = connector->encoder;
> - struct drm_connector_state *conn_state = connector->base.state;
>
> - I915_STATE_WARN(!crtc,
> + I915_STATE_WARN(!crtc_state,
> "connector enabled without attached crtc\n");
>
> - if (!crtc)
> + if (!crtc_state)
> return;
>
> - I915_STATE_WARN(!crtc->state->active,
> + I915_STATE_WARN(!crtc_state->active,
> "connector is active, but attached crtc isn't\n");
>
> if (!encoder || encoder->type == INTEL_OUTPUT_DP_MST)
> @@ -5923,9 +5923,9 @@ static void intel_connector_verify_state(struct intel_connector *connector)
> I915_STATE_WARN(conn_state->crtc != encoder->base.crtc,
> "attached encoder crtc differs from connector crtc\n");
> } else {
> - I915_STATE_WARN(crtc && crtc->state->active,
> + I915_STATE_WARN(crtc_state && crtc_state->active,
> "attached crtc is active, but connector isn't\n");
> - I915_STATE_WARN(!crtc && connector->base.state->best_encoder,
> + I915_STATE_WARN(!crtc_state && conn_state->best_encoder,
> "best encoder set without crtc!\n");
> }
> }
> @@ -11859,11 +11859,15 @@ verify_connector_state(struct drm_device *dev,
>
> for_each_new_connector_in_state(state, connector, new_conn_state, i) {
> struct drm_encoder *encoder = connector->encoder;
> + struct drm_crtc_state *crtc_state = NULL;
>
> if (new_conn_state->crtc != crtc)
> continue;
>
> - intel_connector_verify_state(to_intel_connector(connector));
> + if (crtc)
> + crtc_state = drm_atomic_get_new_crtc_state(state, new_conn_state->crtc);
> +
> + intel_connector_verify_state(crtc_state, new_conn_state);
>
> I915_STATE_WARN(new_conn_state->best_encoder != encoder,
> "connector's atomic encoder doesn't match legacy encoder\n");
> @@ -11981,7 +11985,7 @@ verify_crtc_state(struct drm_crtc *crtc,
>
> intel_pipe_config_sanity_check(dev_priv, pipe_config);
>
> - sw_config = to_intel_crtc_state(crtc->state);
> + sw_config = to_intel_crtc_state(new_crtc_state);
> if (!intel_pipe_config_compare(dev_priv, sw_config,
> pipe_config, false)) {
> I915_STATE_WARN(1, "pipe state doesn't match!\n");
> --
> 2.11.0
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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