On Wed, Oct 16, 2024 at 11:06:26AM +0530, Arun R Murthy wrote: > Create a i915 private plane property for sharing the async supported > modifiers to the user. > UMD related discussion requesting the same > https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29618#note_2487123 > > Signed-off-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx> > --- > .../gpu/drm/i915/display/intel_atomic_plane.c | 6 +++ > .../drm/i915/display/intel_display_types.h | 4 ++ > .../drm/i915/display/skl_universal_plane.c | 49 ++++++++++++++++++- This whole thing belongs in the drm core. > 3 files changed, 58 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c > index b7e462075ded..ef41b50cc765 100644 > --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c > +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c > @@ -117,6 +117,9 @@ intel_plane_duplicate_state(struct drm_plane *plane) > intel_state->dpt_vma = NULL; > intel_state->flags = 0; > > + if (intel_state->async_sup_modifiers) > + drm_property_blob_get(intel_state->async_sup_modifiers); > + > /* add reference to fb */ > if (intel_state->hw.fb) > drm_framebuffer_get(intel_state->hw.fb); > @@ -141,6 +144,9 @@ intel_plane_destroy_state(struct drm_plane *plane, > drm_WARN_ON(plane->dev, plane_state->ggtt_vma); > drm_WARN_ON(plane->dev, plane_state->dpt_vma); > > + if (plane_state->async_sup_modifiers) > + drm_property_blob_put(plane_state->async_sup_modifiers); > + > __drm_atomic_helper_plane_destroy_state(&plane_state->uapi); > if (plane_state->hw.fb) > drm_framebuffer_put(plane_state->hw.fb); > diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h > index 2bb1fa64da2f..a5a301ca521a 100644 > --- a/drivers/gpu/drm/i915/display/intel_display_types.h > +++ b/drivers/gpu/drm/i915/display/intel_display_types.h > @@ -683,6 +683,8 @@ struct intel_plane_state { > u64 ccval; > > const char *no_fbc_reason; > + > + struct drm_property_blob *async_sup_modifiers; > }; > > struct intel_initial_plane_config { > @@ -1435,6 +1437,8 @@ struct intel_plane { > > struct intel_fbc *fbc; > > + struct drm_property *async_modifiers_property; > + > /* > * NOTE: Do not place new plane state fields here (e.g., when adding > * new plane properties). New runtime state should now be placed in > diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c > index 9557b08ca2e2..6790bdf00c8f 100644 > --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c > +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c > @@ -2383,6 +2383,29 @@ static bool icl_plane_format_mod_supported(struct drm_plane *_plane, > } > } > > +static int intel_plane_get_property(struct drm_plane *plane, > + const struct drm_plane_state *state, > + struct drm_property *property, > + uint64_t *val) > +{ > + struct drm_i915_private *i915 = to_i915(plane->dev); > + const struct intel_plane_state *intel_plane_state = > + to_intel_plane_state(state); > + struct intel_plane *intel_plane = to_intel_plane(plane); > + > + if (property == intel_plane->async_modifiers_property) { > + *val = intel_plane_state->async_sup_modifiers ? > + intel_plane_state->async_sup_modifiers->base.id : 0; > + } else { > + drm_err(&i915->drm, > + "Unknown property [PROP:%d:%s]\n", > + property->base.id, property->name); > + return -EINVAL; > + } > + > + return 0; > +} > + > static bool tgl_plane_format_mod_supported(struct drm_plane *_plane, > u32 format, u64 modifier) > { > @@ -2442,6 +2465,7 @@ static const struct drm_plane_funcs skl_plane_funcs = { > .atomic_duplicate_state = intel_plane_duplicate_state, > .atomic_destroy_state = intel_plane_destroy_state, > .format_mod_supported = skl_plane_format_mod_supported, > + .atomic_get_property = intel_plane_get_property, > }; > > static const struct drm_plane_funcs icl_plane_funcs = { > @@ -2451,6 +2475,7 @@ static const struct drm_plane_funcs icl_plane_funcs = { > .atomic_duplicate_state = intel_plane_duplicate_state, > .atomic_destroy_state = intel_plane_destroy_state, > .format_mod_supported = icl_plane_format_mod_supported, > + .atomic_get_property = intel_plane_get_property, > }; > > static const struct drm_plane_funcs tgl_plane_funcs = { > @@ -2460,6 +2485,7 @@ static const struct drm_plane_funcs tgl_plane_funcs = { > .atomic_duplicate_state = intel_plane_duplicate_state, > .atomic_destroy_state = intel_plane_destroy_state, > .format_mod_supported = tgl_plane_format_mod_supported, > + .atomic_get_property = intel_plane_get_property, > }; > > static void > @@ -2549,6 +2575,25 @@ static u8 skl_get_plane_caps(struct drm_i915_private *i915, > return caps; > } > > +static void intel_plane_attach_async_modifiers_property(struct intel_plane *intel_plane) > +{ > + struct drm_plane *plane = &intel_plane->base; > + struct drm_device *dev = plane->dev; > + struct drm_property *prop; > + > + prop = intel_plane->async_modifiers_property; > + if (!prop) { > + prop = drm_property_create(dev, DRM_MODE_PROP_BLOB | DRM_MODE_PROP_ATOMIC, > + "Async Supported Modifiers", 0); > + if (!prop) > + return; > + > + intel_plane->async_modifiers_property = prop; > + } > + > + drm_object_attach_property(&plane->base, prop, 0); > +} > + > struct intel_plane * > skl_universal_plane_create(struct drm_i915_private *dev_priv, > enum pipe pipe, enum plane_id plane_id) > @@ -2694,10 +2739,12 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv, > if (DISPLAY_VER(dev_priv) >= 12) > drm_plane_enable_fb_damage_clips(&plane->base); > > - if (DISPLAY_VER(dev_priv) >= 11) > + if (DISPLAY_VER(dev_priv) >= 11) { > drm_plane_create_scaling_filter_property(&plane->base, > BIT(DRM_SCALING_FILTER_DEFAULT) | > BIT(DRM_SCALING_FILTER_NEAREST_NEIGHBOR)); > + intel_plane_attach_async_modifiers_property(plane); > + } > > intel_plane_helper_add(plane); > > -- > 2.25.1 -- Ville Syrjälä Intel
