[Intel-gfx] [PATCH 1/5] drm: Add __drm_atomic_helper_crtc_state_reset() & co.
Lucas De Marchi
lucas.demarchi at intel.com
Fri Dec 13 23:38:53 UTC 2019
On Thu, Nov 07, 2019 at 04:24:13PM +0200, Ville Syrjälä wrote:
>From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
>Annoyingly __drm_atomic_helper_crtc_reset() does two
>totally separate things:
>a) reset the state to defaults values
>b) assign the crtc->state pointer
>
>I just want a) without the b) so let's split out part
>a) into __drm_atomic_helper_crtc_state_reset(). And
>of course we'll do the same thing for planes and connectors.
>
>Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
>---
> drivers/gpu/drm/drm_atomic_state_helper.c | 70 ++++++++++++++++++++---
> include/drm/drm_atomic_state_helper.h | 6 ++
> 2 files changed, 67 insertions(+), 9 deletions(-)
>
>diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c
>index d0a937fb0c56..a972068d58cf 100644
>--- a/drivers/gpu/drm/drm_atomic_state_helper.c
>+++ b/drivers/gpu/drm/drm_atomic_state_helper.c
>@@ -57,6 +57,22 @@
> * for these functions.
> */
>
>+/**
>+ * __drm_atomic_helper_crtc_state_reset - reset the CRTC state
>+ * @crtc_state: atomic CRTC state, must not be NULL
>+ * @crtc: CRTC object, must not be NULL
>+ *
>+ * Initializes the newly allocated @crtc_state with default
>+ * values. This is useful for drivers that subclass the CRTC state.
>+ */
>+void
>+__drm_atomic_helper_crtc_state_reset(struct drm_crtc_state *crtc_state,
>+ struct drm_crtc *crtc)
>+{
>+ crtc_state->crtc = crtc;
>+}
>+EXPORT_SYMBOL(__drm_atomic_helper_crtc_state_reset);
>+
> /**
> * __drm_atomic_helper_crtc_reset - reset state on CRTC
> * @crtc: drm CRTC
>@@ -74,7 +90,7 @@ __drm_atomic_helper_crtc_reset(struct drm_crtc *crtc,
> struct drm_crtc_state *crtc_state)
> {
> if (crtc_state)
>- crtc_state->crtc = crtc;
>+ __drm_atomic_helper_crtc_state_reset(crtc_state, crtc);
>
> crtc->state = crtc_state;
> }
>@@ -212,23 +228,43 @@ void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
> EXPORT_SYMBOL(drm_atomic_helper_crtc_destroy_state);
>
> /**
>- * __drm_atomic_helper_plane_reset - resets planes state to default values
>+ * __drm_atomic_helper_plane_state_reset - resets plane state to default values
>+ * @plane_state: atomic plane state, must not be NULL
> * @plane: plane object, must not be NULL
>- * @state: atomic plane state, must not be NULL
> *
>- * Initializes plane state to default. This is useful for drivers that subclass
>- * the plane state.
>+ * Initializes the newly allocated @plane_state with default
>+ * values. This is useful for drivers that subclass the CRTC state.
> */
>-void __drm_atomic_helper_plane_reset(struct drm_plane *plane,
>- struct drm_plane_state *state)
>+void __drm_atomic_helper_plane_state_reset(struct drm_plane_state *state,
>+ struct drm_plane *plane)
> {
> state->plane = plane;
> state->rotation = DRM_MODE_ROTATE_0;
>
> state->alpha = DRM_BLEND_ALPHA_OPAQUE;
> state->pixel_blend_mode = DRM_MODE_BLEND_PREMULTI;
>+}
>+EXPORT_SYMBOL(__drm_atomic_helper_plane_state_reset);
>
>- plane->state = state;
>+/**
>+ * __drm_atomic_helper_plane_reset - reset state on plane
>+ * @plane: drm plane
>+ * @plane_state: plane state to assign
>+ *
>+ * Initializes the newly allocated @plane_state and assigns it to
>+ * the &drm_crtc->state pointer of @plane, usually required when
>+ * initializing the drivers or when called from the &drm_plane_funcs.reset
>+ * hook.
>+ *
>+ * This is useful for drivers that subclass the plane state.
>+ */
>+void __drm_atomic_helper_plane_reset(struct drm_plane *plane,
>+ struct drm_plane_state *plane_state)
>+{
>+ if (plane_state)
>+ __drm_atomic_helper_plane_state_reset(plane_state, plane);
>+
>+ plane->state = plane_state;
> }
> EXPORT_SYMBOL(__drm_atomic_helper_plane_reset);
>
>@@ -335,6 +371,22 @@ void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
> }
> EXPORT_SYMBOL(drm_atomic_helper_plane_destroy_state);
>
>+/**
>+ * __drm_atomic_helper_connector_state_reset - reset the connector state
>+ * @conn__state: atomic connector state, must not be NULL
typo here, otherwise
Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>
Lucas De Marchi
>+ * @connector: connectotr object, must not be NULL
>+ *
>+ * Initializes the newly allocated @conn_state with default
>+ * values. This is useful for drivers that subclass the connector state.
>+ */
>+void
>+__drm_atomic_helper_connector_state_reset(struct drm_connector_state *conn_state,
>+ struct drm_connector *connector)
>+{
>+ conn_state->connector = connector;
>+}
>+EXPORT_SYMBOL(__drm_atomic_helper_connector_state_reset);
>+
> /**
> * __drm_atomic_helper_connector_reset - reset state on connector
> * @connector: drm connector
>@@ -352,7 +404,7 @@ __drm_atomic_helper_connector_reset(struct drm_connector *connector,
> struct drm_connector_state *conn_state)
> {
> if (conn_state)
>- conn_state->connector = connector;
>+ __drm_atomic_helper_connector_state_reset(conn_state, connector);
>
> connector->state = conn_state;
> }
>diff --git a/include/drm/drm_atomic_state_helper.h b/include/drm/drm_atomic_state_helper.h
>index e4577cc11689..8171dea4cc22 100644
>--- a/include/drm/drm_atomic_state_helper.h
>+++ b/include/drm/drm_atomic_state_helper.h
>@@ -37,6 +37,8 @@ struct drm_private_state;
> struct drm_modeset_acquire_ctx;
> struct drm_device;
>
>+void __drm_atomic_helper_crtc_state_reset(struct drm_crtc_state *state,
>+ struct drm_crtc *crtc);
> void __drm_atomic_helper_crtc_reset(struct drm_crtc *crtc,
> struct drm_crtc_state *state);
> void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc);
>@@ -48,6 +50,8 @@ void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc_state *state);
> void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
> struct drm_crtc_state *state);
>
>+void __drm_atomic_helper_plane_state_reset(struct drm_plane_state *state,
>+ struct drm_plane *plane);
> void __drm_atomic_helper_plane_reset(struct drm_plane *plane,
> struct drm_plane_state *state);
> void drm_atomic_helper_plane_reset(struct drm_plane *plane);
>@@ -59,6 +63,8 @@ void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state);
> void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
> struct drm_plane_state *state);
>
>+void __drm_atomic_helper_connector_state_reset(struct drm_connector_state *conn_state,
>+ struct drm_connector *connector);
> void __drm_atomic_helper_connector_reset(struct drm_connector *connector,
> struct drm_connector_state *conn_state);
> void drm_atomic_helper_connector_reset(struct drm_connector *connector);
>--
>2.23.0
>
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