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path: root/drivers/gpu/drm/rcar-du/rcar_du_plane.c
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Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_plane.c')
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_plane.c72
1 files changed, 38 insertions, 34 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
index b0040478a3db..25623cf7fe97 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
@@ -50,24 +50,21 @@
* automatically when the core swaps the old and new states.
*/
-static bool rcar_du_plane_needs_realloc(struct rcar_du_plane *plane,
- struct rcar_du_plane_state *new_state)
+static bool rcar_du_plane_needs_realloc(
+ const struct rcar_du_plane_state *old_state,
+ const struct rcar_du_plane_state *new_state)
{
- struct rcar_du_plane_state *cur_state;
-
- cur_state = to_rcar_plane_state(plane->plane.state);
-
/*
* Lowering the number of planes doesn't strictly require reallocation
* as the extra hardware plane will be freed when committing, but doing
* so could lead to more fragmentation.
*/
- if (!cur_state->format ||
- cur_state->format->planes != new_state->format->planes)
+ if (!old_state->format ||
+ old_state->format->planes != new_state->format->planes)
return true;
/* Reallocate hardware planes if the source has changed. */
- if (cur_state->source != new_state->source)
+ if (old_state->source != new_state->source)
return true;
return false;
@@ -142,16 +139,20 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
unsigned int groups = 0;
unsigned int i;
struct drm_plane *drm_plane;
- struct drm_plane_state *drm_plane_state;
+ struct drm_plane_state *old_drm_plane_state;
+ struct drm_plane_state *new_drm_plane_state;
/* Check if hardware planes need to be reallocated. */
- for_each_plane_in_state(state, drm_plane, drm_plane_state, i) {
- struct rcar_du_plane_state *plane_state;
+ for_each_oldnew_plane_in_state(state, drm_plane, old_drm_plane_state,
+ new_drm_plane_state, i) {
+ struct rcar_du_plane_state *old_plane_state;
+ struct rcar_du_plane_state *new_plane_state;
struct rcar_du_plane *plane;
unsigned int index;
plane = to_rcar_plane(drm_plane);
- plane_state = to_rcar_plane_state(drm_plane_state);
+ old_plane_state = to_rcar_plane_state(old_drm_plane_state);
+ new_plane_state = to_rcar_plane_state(new_drm_plane_state);
dev_dbg(rcdu->dev, "%s: checking plane (%u,%tu)\n", __func__,
plane->group->index, plane - plane->group->planes);
@@ -161,12 +162,12 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
* the full reallocation procedure. Just mark the hardware
* plane(s) as freed.
*/
- if (!plane_state->format) {
+ if (!new_plane_state->format) {
dev_dbg(rcdu->dev, "%s: plane is being disabled\n",
__func__);
index = plane - plane->group->planes;
group_freed_planes[plane->group->index] |= 1 << index;
- plane_state->hwindex = -1;
+ new_plane_state->hwindex = -1;
continue;
}
@@ -174,7 +175,7 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
* If the plane needs to be reallocated mark it as such, and
* mark the hardware plane(s) as free.
*/
- if (rcar_du_plane_needs_realloc(plane, plane_state)) {
+ if (rcar_du_plane_needs_realloc(old_plane_state, new_plane_state)) {
dev_dbg(rcdu->dev, "%s: plane needs reallocation\n",
__func__);
groups |= 1 << plane->group->index;
@@ -182,7 +183,7 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
index = plane - plane->group->planes;
group_freed_planes[plane->group->index] |= 1 << index;
- plane_state->hwindex = -1;
+ new_plane_state->hwindex = -1;
}
}
@@ -208,7 +209,7 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
for (i = 0; i < group->num_planes; ++i) {
struct rcar_du_plane *plane = &group->planes[i];
- struct rcar_du_plane_state *plane_state;
+ struct rcar_du_plane_state *new_plane_state;
struct drm_plane_state *s;
s = drm_atomic_get_plane_state(state, &plane->plane);
@@ -231,16 +232,16 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
continue;
}
- plane_state = to_rcar_plane_state(plane->plane.state);
- used_planes |= rcar_du_plane_hwmask(plane_state);
+ new_plane_state = to_rcar_plane_state(s);
+ used_planes |= rcar_du_plane_hwmask(new_plane_state);
dev_dbg(rcdu->dev,
"%s: plane (%u,%tu) uses %u hwplanes (index %d)\n",
__func__, plane->group->index,
plane - plane->group->planes,
- plane_state->format ?
- plane_state->format->planes : 0,
- plane_state->hwindex);
+ new_plane_state->format ?
+ new_plane_state->format->planes : 0,
+ new_plane_state->hwindex);
}
group_free_planes[index] = 0xff & ~used_planes;
@@ -251,15 +252,18 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
}
/* Reallocate hardware planes for each plane that needs it. */
- for_each_plane_in_state(state, drm_plane, drm_plane_state, i) {
- struct rcar_du_plane_state *plane_state;
+ for_each_oldnew_plane_in_state(state, drm_plane, old_drm_plane_state,
+ new_drm_plane_state, i) {
+ struct rcar_du_plane_state *old_plane_state;
+ struct rcar_du_plane_state *new_plane_state;
struct rcar_du_plane *plane;
unsigned int crtc_planes;
unsigned int free;
int idx;
plane = to_rcar_plane(drm_plane);
- plane_state = to_rcar_plane_state(drm_plane_state);
+ old_plane_state = to_rcar_plane_state(old_drm_plane_state);
+ new_plane_state = to_rcar_plane_state(new_drm_plane_state);
dev_dbg(rcdu->dev, "%s: allocating plane (%u,%tu)\n", __func__,
plane->group->index, plane - plane->group->planes);
@@ -268,8 +272,8 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
* Skip planes that are being disabled or don't need to be
* reallocated.
*/
- if (!plane_state->format ||
- !rcar_du_plane_needs_realloc(plane, plane_state))
+ if (!new_plane_state->format ||
+ !rcar_du_plane_needs_realloc(old_plane_state, new_plane_state))
continue;
/*
@@ -278,15 +282,15 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
* group and thus minimize flicker. If it fails fall back to
* allocating from all free planes.
*/
- crtc_planes = to_rcar_crtc(plane_state->state.crtc)->index % 2
+ crtc_planes = to_rcar_crtc(new_plane_state->state.crtc)->index % 2
? plane->group->dptsr_planes
: ~plane->group->dptsr_planes;
free = group_free_planes[plane->group->index];
- idx = rcar_du_plane_hwalloc(plane, plane_state,
+ idx = rcar_du_plane_hwalloc(plane, new_plane_state,
free & crtc_planes);
if (idx < 0)
- idx = rcar_du_plane_hwalloc(plane, plane_state,
+ idx = rcar_du_plane_hwalloc(plane, new_plane_state,
free);
if (idx < 0) {
dev_dbg(rcdu->dev, "%s: no available hardware plane\n",
@@ -295,12 +299,12 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
}
dev_dbg(rcdu->dev, "%s: allocated %u hwplanes (index %u)\n",
- __func__, plane_state->format->planes, idx);
+ __func__, new_plane_state->format->planes, idx);
- plane_state->hwindex = idx;
+ new_plane_state->hwindex = idx;
group_free_planes[plane->group->index] &=
- ~rcar_du_plane_hwmask(plane_state);
+ ~rcar_du_plane_hwmask(new_plane_state);
dev_dbg(rcdu->dev, "%s: group %u free planes mask 0x%02x\n",
__func__, plane->group->index,

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