linux/drivers/gpu/drm/rcar-du
Maxime Ripard 977697e20b
drm/atomic: Pass the full state to planes atomic disable and update
The current atomic helpers have either their object state being passed as
an argument or the full atomic state.

The former is the pattern that was done at first, before switching to the
latter for new hooks or when it was needed.

Let's convert the remaining helpers to provide a consistent interface,
this time with the planes atomic_update and atomic_disable.

The conversion was done using the coccinelle script below, built tested on
all the drivers.

@@
identifier plane, plane_state;
symbol state;
@@

 struct drm_plane_helper_funcs {
 	...
	void (*atomic_update)(struct drm_plane *plane,
-			      struct drm_plane_state *plane_state);
+			      struct drm_atomic_state *state);
 	...
 }

@@
identifier plane, plane_state;
symbol state;
@@

 struct drm_plane_helper_funcs {
	...
	void (*atomic_disable)(struct drm_plane *plane,
-			       struct drm_plane_state *plane_state);
+			       struct drm_atomic_state *state);
	...
 }

@ plane_atomic_func @
identifier helpers;
identifier func;
@@

(
 static const struct drm_plane_helper_funcs helpers = {
 	...,
 	.atomic_update = func,
	...,
 };
|
 static const struct drm_plane_helper_funcs helpers = {
 	...,
 	.atomic_disable = func,
	...,
 };
)

@@
struct drm_plane_helper_funcs *FUNCS;
identifier f;
identifier crtc_state;
identifier plane, plane_state, state;
expression e;
@@

 f(struct drm_crtc_state *crtc_state)
 {
 	...
 	struct drm_atomic_state *state = e;
 	<+...
(
-	FUNCS->atomic_disable(plane, plane_state)
+	FUNCS->atomic_disable(plane, state)
|
-	FUNCS->atomic_update(plane, plane_state)
+	FUNCS->atomic_update(plane, state)
)
 	...+>
 }

@@
identifier plane_atomic_func.func;
identifier plane;
symbol state;
@@

 func(struct drm_plane *plane,
-    struct drm_plane_state *state)
+    struct drm_plane_state *old_plane_state)
 {
	<...
-	state
+	old_plane_state
	...>
 }

@ ignores_old_state @
identifier plane_atomic_func.func;
identifier plane, old_state;
@@

 func(struct drm_plane *plane, struct drm_plane_state *old_state)
 {
	... when != old_state
 }

@ adds_old_state depends on plane_atomic_func && !ignores_old_state @
identifier plane_atomic_func.func;
identifier plane, plane_state;
@@

 func(struct drm_plane *plane, struct drm_plane_state *plane_state)
 {
+	struct drm_plane_state *plane_state = drm_atomic_get_old_plane_state(state, plane);
 	...
 }

@ depends on plane_atomic_func @
identifier plane_atomic_func.func;
identifier plane, plane_state;
@@

 func(struct drm_plane *plane,
-     struct drm_plane_state *plane_state
+     struct drm_atomic_state *state
     )
 { ... }

@ include depends on adds_old_state @
@@

 #include <drm/drm_atomic.h>

@ no_include depends on !include && adds_old_state @
@@

+ #include <drm/drm_atomic.h>
  #include <drm/...>

@@
identifier plane_atomic_func.func;
identifier plane, state;
identifier plane_state;
@@

 func(struct drm_plane *plane, struct drm_atomic_state *state) {
 	...
 	struct drm_plane_state *plane_state = drm_atomic_get_old_plane_state(state, plane);
 	<+...
-	plane_state->state
+	state
 	...+>
 }

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210219120032.260676-9-maxime@cerno.tech
2021-02-25 08:05:28 +01:00
..
Kconfig drm: rcar-du: Update description for DRM_RCAR_DW_HDMI Kconfig entry 2020-09-22 14:10:05 +03:00
Makefile drm: rcar-du: Add support for CMM 2019-12-18 02:40:03 +02:00
rcar_cmm.c drm: rcar-du: Fix PM reference leak in rcar_cmm_enable() 2021-01-05 07:19:49 +02:00
rcar_cmm.h drm: rcar-du: Add support for CMM 2019-12-18 02:40:03 +02:00
rcar_du_crtc.c - Add default modes for connectors in unknown state 2021-01-07 13:02:57 +01:00
rcar_du_crtc.h drm: rcar-du: kms: Initialize CMM instances 2019-12-18 02:40:04 +02:00
rcar_du_drv.c drm: rcar-du: Replace dev_private with container_of 2021-01-05 07:20:04 +02:00
rcar_du_drv.h drm: rcar-du: Replace dev_private with container_of 2021-01-05 07:20:04 +02:00
rcar_du_encoder.c drm: rcar-du: Drop local encoder variable 2021-01-05 07:20:10 +02:00
rcar_du_encoder.h drm: rcar-du: Drop local encoder variable 2021-01-05 07:20:10 +02:00
rcar_du_group.c drm: rcar-du: crtc: Control CMM operations 2019-12-18 02:40:05 +02:00
rcar_du_group.h drm: rcar-du: kms: Initialize CMM instances 2019-12-18 02:40:04 +02:00
rcar_du_kms.c drm: rcar-du: Fix leak of CMM platform device reference 2021-01-05 07:20:13 +02:00
rcar_du_kms.h drm: rcar-du: Fix pitch handling for fully planar YUV formats 2020-09-22 14:10:05 +03:00
rcar_du_of_lvds_r8a7790.dts
rcar_du_of_lvds_r8a7791.dts
rcar_du_of_lvds_r8a7793.dts
rcar_du_of_lvds_r8a7795.dts
rcar_du_of_lvds_r8a7796.dts
rcar_du_of.c
rcar_du_of.h
rcar_du_plane.c drm/atomic: Pass the full state to planes atomic disable and update 2021-02-25 08:05:28 +01:00
rcar_du_plane.h
rcar_du_regs.h drm: rcar-du: crtc: Control CMM operations 2019-12-18 02:40:05 +02:00
rcar_du_vsp.c drm/atomic: Pass the full state to planes atomic disable and update 2021-02-25 08:05:28 +01:00
rcar_du_vsp.h
rcar_du_writeback.c drm: rcar-du: Embed drm_device in rcar_du_device 2021-01-05 07:20:03 +02:00
rcar_du_writeback.h
rcar_dw_hdmi.c drm: bridge: dw-hdmi: Pass drm_display_info to .mode_valid() 2020-06-23 19:56:02 +02:00
rcar_lvds_regs.h
rcar_lvds.c drm: rcar-du: lvds: Add support for R8A774E1 SoC 2020-09-22 14:10:04 +03:00
rcar_lvds.h