Useful since this way we can pass around just the state objects and
will get ther real object, too.
Specifically this allows us to again simplify the parameters for
set_crtc_for_plane.
v2: msm already has it's own specific plane_reset hook, don't forget
that one!
Cc: Rob Clark <robdclark@xxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
drivers/gpu/drm/drm_atomic.c | 10 +++-------
drivers/gpu/drm/drm_atomic_helper.c | 19 ++++++++++++++-----
drivers/gpu/drm/drm_crtc_helper.c | 2 ++
drivers/gpu/drm/drm_plane_helper.c | 2 ++
drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c | 1 +
include/drm/drm_atomic.h | 4 ++--
include/drm/drm_crtc.h | 9 +++++++++
7 files changed, 33 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index ff5f034cc405..3208ed603726 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -358,16 +358,12 @@ EXPORT_SYMBOL(drm_atomic_get_connector_state);
* sequence must be restarted. All other errors are fatal.
*/
int
-drm_atomic_set_crtc_for_plane(struct drm_atomic_state *state,
- struct drm_plane *plane, struct drm_crtc *crtc)
+drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
+ struct drm_crtc *crtc)
{
- struct drm_plane_state *plane_state =
- drm_atomic_get_plane_state(state, plane);
+ struct drm_plane *plane = plane_state->plane;
struct drm_crtc_state *crtc_state;
- if (WARN_ON(IS_ERR(plane_state)))
- return PTR_ERR(plane_state);
-
if (plane_state->crtc) {
crtc_state = drm_atomic_get_crtc_state(plane_state->state,
plane_state->crtc);
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 8b32caad89e8..f191da0e8a89 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1277,7 +1277,7 @@ retry:
goto fail;
}
- ret = drm_atomic_set_crtc_for_plane(state, plane, crtc);
+ ret = drm_atomic_set_crtc_for_plane(plane_state, crtc);
if (ret != 0)
goto fail;
drm_atomic_set_fb_for_plane(plane_state, fb);
@@ -1356,7 +1356,7 @@ retry:
goto fail;
}
- ret = drm_atomic_set_crtc_for_plane(state, plane, NULL);
+ ret = drm_atomic_set_crtc_for_plane(plane_state, NULL);
if (ret != 0)
goto fail;
drm_atomic_set_fb_for_plane(plane_state, NULL);
@@ -1519,7 +1519,7 @@ retry:
crtc_state->enable = false;
- ret = drm_atomic_set_crtc_for_plane(state, crtc->primary, NULL);
+ ret = drm_atomic_set_crtc_for_plane(primary_state, NULL);
if (ret != 0)
goto fail;
@@ -1534,7 +1534,7 @@ retry:
crtc_state->enable = true;
drm_mode_copy(&crtc_state->mode, set->mode);
- ret = drm_atomic_set_crtc_for_plane(state, crtc->primary, crtc);
+ ret = drm_atomic_set_crtc_for_plane(primary_state, crtc);
if (ret != 0)
goto fail;
drm_atomic_set_fb_for_plane(primary_state, set->fb);
@@ -1806,7 +1806,7 @@ retry:
goto fail;
}
- ret = drm_atomic_set_crtc_for_plane(state, plane, crtc);
+ ret = drm_atomic_set_crtc_for_plane(plane_state, crtc);
if (ret != 0)
goto fail;
drm_atomic_set_fb_for_plane(plane_state, fb);
@@ -1869,6 +1869,9 @@ void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc)
{
kfree(crtc->state);
crtc->state = kzalloc(sizeof(*crtc->state), GFP_KERNEL);
+
+ if (crtc->state)
+ crtc->state->crtc = crtc;
}
EXPORT_SYMBOL(drm_atomic_helper_crtc_reset);
@@ -1928,6 +1931,9 @@ void drm_atomic_helper_plane_reset(struct drm_plane *plane)
kfree(plane->state);
plane->state = kzalloc(sizeof(*plane->state), GFP_KERNEL);
+
+ if (plane->state)
+ plane->state->plane = plane;
}
EXPORT_SYMBOL(drm_atomic_helper_plane_reset);
@@ -1985,6 +1991,9 @@ void drm_atomic_helper_connector_reset(struct drm_connector *connector)
{
kfree(connector->state);
connector->state = kzalloc(sizeof(*connector->state), GFP_KERNEL);
+
+ if (connector->state)
+ connector->state->connector = connector;
}
EXPORT_SYMBOL(drm_atomic_helper_connector_reset);
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index d552708409de..b1979e7bdc88 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -946,6 +946,7 @@ int drm_helper_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mod
crtc_state = kzalloc(sizeof(*crtc_state), GFP_KERNEL);
if (!crtc_state)
return -ENOMEM;
+ crtc_state->crtc = crtc;
crtc_state->enable = true;
crtc_state->planes_changed = true;
@@ -1005,6 +1006,7 @@ int drm_helper_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
plane_state = kzalloc(sizeof(*plane_state), GFP_KERNEL);
if (!plane_state)
return -ENOMEM;
+ plane_state->plane = plane;
plane_state->crtc = crtc;
drm_atomic_set_fb_for_plane(plane_state, crtc->primary->fb);
diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c
index 18a1ac6ac22f..ae61fb21ea86 100644
--- a/drivers/gpu/drm/drm_plane_helper.c
+++ b/drivers/gpu/drm/drm_plane_helper.c
@@ -517,6 +517,7 @@ int drm_plane_helper_update(struct drm_plane *plane, struct drm_crtc *crtc,
plane_state = kzalloc(sizeof(*plane_state), GFP_KERNEL);
if (!plane_state)
return -ENOMEM;
+ plane_state->plane = plane;
plane_state->crtc = crtc;
drm_atomic_set_fb_for_plane(plane_state, fb);
@@ -563,6 +564,7 @@ int drm_plane_helper_disable(struct drm_plane *plane)
plane_state = kzalloc(sizeof(*plane_state), GFP_KERNEL);
if (!plane_state)
return -ENOMEM;
+ plane_state->plane = plane;
plane_state->crtc = NULL;
drm_atomic_set_fb_for_plane(plane_state, NULL);
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
index 26e5fdea6594..fc76f630e5b1 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
@@ -113,6 +113,7 @@ static void mdp5_plane_reset(struct drm_plane *plane)
} else {
mdp5_state->zpos = 1 + drm_plane_index(plane);
}
+ mdp5_state->base.plane = plane;
plane->state = &mdp5_state->base;
}
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index ad2229574dd9..e224ccfa11ca 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -46,8 +46,8 @@ drm_atomic_get_connector_state(struct drm_atomic_state *state,
struct drm_connector *connector);
int __must_check
-drm_atomic_set_crtc_for_plane(struct drm_atomic_state *state,
- struct drm_plane *plane, struct drm_crtc *crtc);
+drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
+ struct drm_crtc *crtc);
void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state,
struct drm_framebuffer *fb);
int __must_check
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 5006f799ecca..43cdf7d60713 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -229,6 +229,7 @@ struct drm_atomic_state;
/**
* struct drm_crtc_state - mutable CRTC state
+ * @crtc: backpointer to the CRTC
* @enable: whether the CRTC should be enabled, gates all other state
* @mode_changed: for use by helpers and drivers when computing state updates
* @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes
@@ -242,6 +243,8 @@ struct drm_atomic_state;
* @state: backpointer to global drm_atomic_state
*/
struct drm_crtc_state {
+ struct drm_crtc *crtc;
+
bool enable;
/* computed state bits used by helpers and drivers */
@@ -441,11 +444,14 @@ struct drm_crtc {
/**
* struct drm_connector_state - mutable connector state
+ * @connector: backpointer to the connector
* @crtc: CRTC to connect connector to, NULL if disabled
* @best_encoder: can be used by helpers and drivers to select the encoder
* @state: backpointer to global drm_atomic_state
*/
struct drm_connector_state {
+ struct drm_connector *connector;
+
struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_connector() */
struct drm_encoder *best_encoder;
@@ -665,6 +671,7 @@ struct drm_connector {
/**
* struct drm_plane_state - mutable plane state
+ * @plane: backpointer to the plane
* @crtc: currently bound CRTC, NULL if disabled
* @fb: currently bound framebuffer
* @fence: optional fence to wait for before scanning out @fb
@@ -681,6 +688,8 @@ struct drm_connector {
* @state: backpointer to global drm_atomic_state
*/
struct drm_plane_state {
+ struct drm_plane *plane;
+
struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_plane() */
struct drm_framebuffer *fb; /* do not write directly, use drm_atomic_set_fb_for_plane() */
struct fence *fence;
--
2.1.1
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