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-rw-r--r--drivers/gpu/drm/drm_atomic.c4
-rw-r--r--drivers/gpu/drm/drm_framebuffer.c2
-rw-r--r--drivers/gpu/drm/drm_simple_kms_helper.c2
-rw-r--r--include/drm/drm_plane.h14
4 files changed, 16 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 178842380f75..684c9d3a1d6c 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1581,7 +1581,7 @@ drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
if (WARN_ON(IS_ERR(crtc_state)))
return PTR_ERR(crtc_state);
- crtc_state->plane_mask &= ~(1 << drm_plane_index(plane));
+ crtc_state->plane_mask &= ~drm_plane_mask(plane);
}
plane_state->crtc = crtc;
@@ -1591,7 +1591,7 @@ drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
crtc);
if (IS_ERR(crtc_state))
return PTR_ERR(crtc_state);
- crtc_state->plane_mask |= (1 << drm_plane_index(plane));
+ crtc_state->plane_mask |= drm_plane_mask(plane);
}
if (crtc)
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index ed90974a452a..781af1d42d76 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -847,7 +847,7 @@ retry:
if (ret)
goto unlock;
- plane_mask |= BIT(drm_plane_index(plane));
+ plane_mask |= drm_plane_mask(plane);
}
/* This list is only filled when disable_crtcs is set. */
diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c
index 7a00455ca568..9d87961da1db 100644
--- a/drivers/gpu/drm/drm_simple_kms_helper.c
+++ b/drivers/gpu/drm/drm_simple_kms_helper.c
@@ -52,7 +52,7 @@ static int drm_simple_kms_crtc_check(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
bool has_primary = state->plane_mask &
- BIT(drm_plane_index(crtc->primary));
+ drm_plane_mask(crtc->primary);
/* We always want to have an active plane with an active CRTC */
if (has_primary != state->enable)
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index 7d4d6c7f0afd..cee9dfaaa740 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -639,10 +639,20 @@ void drm_plane_cleanup(struct drm_plane *plane);
* Given a registered plane, return the index of that plane within a DRM
* device's list of planes.
*/
-static inline unsigned int drm_plane_index(struct drm_plane *plane)
+static inline unsigned int drm_plane_index(const struct drm_plane *plane)
{
return plane->index;
}
+
+/**
+ * drm_plane_mask - find the mask of a registered plane
+ * @plane: plane to find mask for
+ */
+static inline u32 drm_plane_mask(const struct drm_plane *plane)
+{
+ return 1 << drm_plane_index(plane);
+}
+
struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx);
void drm_plane_force_disable(struct drm_plane *plane);
@@ -678,7 +688,7 @@ static inline struct drm_plane *drm_plane_find(struct drm_device *dev,
*/
#define drm_for_each_plane_mask(plane, dev, plane_mask) \
list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \
- for_each_if ((plane_mask) & (1 << drm_plane_index(plane)))
+ for_each_if ((plane_mask) & drm_plane_mask(plane))
/**
* drm_for_each_legacy_plane - iterate over all planes for legacy userspace