> -Original Message-
> From: Intel-gfx On Behalf Of Manasi
> Navare
> Sent: Friday, February 14, 2020 5:11 PM
> To: intel-gfx@lists.freedesktop.org
> Subject: [Intel-gfx] [CI v3 1/3] drm/i915: Introduce
> encoder->compute_config_late()
>
> From: Ville Syrjälä
>
> Add an optional secondary encoder state compute hook. This gets called after
> the
> normak .compute_config() has been called for all the encoders in the state.
> Thus in
> the new hook we can rely on all derived state populated by .compute_config()
> to be
> already set up. Should be useful for MST and port sync master/slave transcoder
> selection.
Pushed the series to dinq. Thanks for the patches and review.
> Signed-off-by: Ville Syrjälä
> Reviewed-by: Manasi Navare
> ---
> drivers/gpu/drm/i915/display/intel_display.c | 39 +++
> .../drm/i915/display/intel_display_types.h| 3 ++
> 2 files changed, 42 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> b/drivers/gpu/drm/i915/display/intel_display.c
> index e09d3c93c52b..ce72551ba16a 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -13549,6 +13549,35 @@ intel_modeset_pipe_config(struct intel_crtc_state
> *pipe_config)
> return 0;
> }
>
> +static int
> +intel_modeset_pipe_config_late(struct intel_crtc_state *crtc_state) {
> + struct intel_atomic_state *state =
> + to_intel_atomic_state(crtc_state->uapi.state);
> + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
> + struct drm_connector_state *conn_state;
> + struct drm_connector *connector;
> + int i;
> +
> + for_each_new_connector_in_state(>base, connector,
> + conn_state, i) {
> + struct intel_encoder *encoder =
> + to_intel_encoder(conn_state->best_encoder);
> + int ret;
> +
> + if (conn_state->crtc != >base ||
> + !encoder->compute_config_late)
> + continue;
> +
> + ret = encoder->compute_config_late(encoder, crtc_state,
> +conn_state);
> + if (ret)
> + return ret;
> + }
> +
> + return 0;
> +}
> +
> bool intel_fuzzy_clock_check(int clock1, int clock2) {
> int diff;
> @@ -14954,6 +14983,16 @@ static int intel_atomic_check(struct drm_device *dev,
> ret = intel_modeset_pipe_config(new_crtc_state);
> if (ret)
> goto fail;
> + }
> +
> + for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
> + new_crtc_state, i) {
> + if (!needs_modeset(new_crtc_state))
> + continue;
> +
> + ret = intel_modeset_pipe_config_late(new_crtc_state);
> + if (ret)
> + goto fail;
>
> intel_crtc_check_fastset(old_crtc_state, new_crtc_state);
> }
> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h
> b/drivers/gpu/drm/i915/display/intel_display_types.h
> index 283c622f8ba1..0d8a64305464 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -141,6 +141,9 @@ struct intel_encoder {
> int (*compute_config)(struct intel_encoder *,
> struct intel_crtc_state *,
> struct drm_connector_state *);
> + int (*compute_config_late)(struct intel_encoder *,
> +struct intel_crtc_state *,
> +struct drm_connector_state *);
> void (*update_prepare)(struct intel_atomic_state *,
> struct intel_encoder *,
> struct intel_crtc *);
> --
> 2.19.1
>
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