Op 08-07-2019 om 14:53 schreef Ville Syrjala:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> We need to insert stuff between the plane and crtc .atomic_check()
> drm_atomic_helper_check_planes() doesn't allow us to do that so
> stop using it and hand roll the loops instead.
>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
> .../gpu/drm/i915/display/intel_atomic_plane.c | 10 +---
> .../gpu/drm/i915/display/intel_atomic_plane.h | 2 +
> drivers/gpu/drm/i915/display/intel_display.c | 57 +++++++++++++++----
> 3 files changed, 50 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> index 7ff19b524f9d..d7493551b28c 100644
> --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> @@ -194,14 +194,11 @@ get_crtc_from_states(const struct intel_plane_state
> *old_plane_state,
> return NULL;
> }
>
> -static int intel_plane_atomic_check(struct drm_plane *_plane,
> - struct drm_plane_state *_new_plane_state)
> +int intel_plane_atomic_check(struct intel_atomic_state *state,
> + struct intel_plane *plane)
> {
> - struct intel_plane *plane = to_intel_plane(_plane);
> - struct intel_atomic_state *state =
> - to_intel_atomic_state(_new_plane_state->state);
> struct intel_plane_state *new_plane_state =
> - to_intel_plane_state(_new_plane_state);
> + intel_atomic_get_new_plane_state(state, plane);
> const struct intel_plane_state *old_plane_state =
> intel_atomic_get_old_plane_state(state, plane);
> struct intel_crtc *crtc =
> @@ -368,5 +365,4 @@ void i9xx_update_planes_on_crtc(struct intel_atomic_state
> *state,
> const struct drm_plane_helper_funcs intel_plane_helper_funcs = {
> .prepare_fb = intel_prepare_plane_fb,
> .cleanup_fb = intel_cleanup_plane_fb,
> - .atomic_check = intel_plane_atomic_check,
> };
> diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.h
> b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
> index cb7ef4f9eafd..dc85af02e9b7 100644
> --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.h
> +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
> @@ -41,6 +41,8 @@ int intel_plane_atomic_check_with_state(const struct
> intel_crtc_state *old_crtc_
> struct intel_crtc_state *crtc_state,
> const struct intel_plane_state
> *old_plane_state,
> struct intel_plane_state *intel_state);
> +int intel_plane_atomic_check(struct intel_atomic_state *state,
> + struct intel_plane *plane);
> int intel_plane_atomic_calc_changes(const struct intel_crtc_state
> *old_crtc_state,
> struct intel_crtc_state *crtc_state,
> const struct intel_plane_state
> *old_plane_state,
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> b/drivers/gpu/drm/i915/display/intel_display.c
> index 5635f2079e4c..5a42cbfa72c3 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -11733,15 +11733,14 @@ static bool c8_planes_changed(const struct
> intel_crtc_state *new_crtc_state)
> return !old_crtc_state->c8_planes != !new_crtc_state->c8_planes;
> }
>
> -static int intel_crtc_atomic_check(struct drm_crtc *_crtc,
> - struct drm_crtc_state *_crtc_state)
> +static int intel_crtc_atomic_check(struct intel_atomic_state *state,
> + struct intel_crtc *crtc)
> {
> - struct intel_crtc *crtc = to_intel_crtc(_crtc);
> struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> struct intel_crtc_state *crtc_state =
> - to_intel_crtc_state(_crtc_state);
> - int ret;
> + intel_atomic_get_new_crtc_state(state, crtc);
> bool mode_changed = needs_modeset(crtc_state);
> + int ret;
>
> if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv) &&
> mode_changed && !crtc_state->base.active)
> @@ -11813,10 +11812,6 @@ static int intel_crtc_atomic_check(struct drm_crtc
> *_crtc,
> return ret;
> }
>
> -static const struct drm_crtc_helper_funcs intel_helper_funcs = {
> - .atomic_check = intel_crtc_atomic_check,
> -};
> -
> static void intel_modeset_update_connector_atomic_state(struct drm_device
> *dev)
> {
> struct intel_connector *connector;
> @@ -13457,6 +13452,42 @@ static void intel_crtc_check_fastset(const struct
> intel_crtc_state *old_crtc_sta
> new_crtc_state->has_drrs = old_crtc_state->has_drrs;
> }
>
> +static int intel_atomic_check_planes(struct intel_atomic_state *state)
> +{
> + struct intel_plane_state *plane_state;
> + struct intel_plane *plane;
> + int i, ret;
> +
> + for_each_new_intel_plane_in_state(state, plane, plane_state, i) {
> + ret = intel_plane_atomic_check(state, plane);
> + if (ret) {
> + DRM_DEBUG_ATOMIC("[PLANE:%d:%s] atomic driver check
> failed\n",
> + plane->base.base.id, plane->base.name);
> + return ret;
> + }
> + }
> +
> + return 0;
> +}
> +
> +static int intel_atomic_check_crtcs(struct intel_atomic_state *state)
> +{
> + struct intel_crtc_state *crtc_state;
> + struct intel_crtc *crtc;
> + int i;
> +
> + for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
> + int ret = intel_crtc_atomic_check(state, crtc);
> + if (ret) {
> + DRM_DEBUG_ATOMIC("[CRTC:%d:%s] atomic driver check
> failed\n",
> + crtc->base.base.id, crtc->base.name);
> + return ret;
> + }
> + }
> +
> + return 0;
> +}
> +
> /**
> * intel_atomic_check - validate state object
> * @dev: drm device
> @@ -13520,7 +13551,11 @@ static int intel_atomic_check(struct drm_device *dev,
> if (ret)
> goto fail;
>
> - ret = drm_atomic_helper_check_planes(dev, &state->base);
> + ret = intel_atomic_check_planes(state);
> + if (ret)
> + goto fail;
> +
> + ret = intel_atomic_check_crtcs(state);
> if (ret)
> goto fail;
>
> @@ -15051,8 +15086,6 @@ static int intel_crtc_init(struct drm_i915_private
> *dev_priv, enum pipe pipe)
> dev_priv->plane_to_crtc_mapping[i9xx_plane] = intel_crtc;
> }
>
> - drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs);
> -
> intel_color_init(intel_crtc);
>
> WARN_ON(drm_crtc_index(&intel_crtc->base) != intel_crtc->pipe);
Literally what helper_check_planes does anyway, so r-b if not yet pushed. :)
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