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drm: Add drm_encoder_mask()

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Add drm_encoder_mask() which returns the 1<<index for the encoder.
We already have an identical drm_crtc_mask() for crtcs.

Mostly performed with coccinelle:
@@
@@
- (1<<drm_encoder_index(
+ drm_encoder_mask(
  ...)
-  )

@@
@@
- 1<<drm_encoder_index(
+ drm_encoder_mask(
  ...)

@@
@@
- BIT(drm_encoder_index(
+ drm_encoder_mask(
  ...)
- )

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180626194716.12522-3-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Ville Syrjälä 2018-06-26 22:47:09 +03:00
parent 6a52193bd0
commit 6f3be036da
2 changed files with 19 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/drm_atomic_helper.c
View File

@ -121,7 +121,7 @@ static int handle_conflicting_encoders(struct drm_atomic_state *state,
new_encoder = drm_atomic_helper_best_encoder(connector);
if (new_encoder) {
if (encoder_mask & (1 << drm_encoder_index(new_encoder))) {
if (encoder_mask & drm_encoder_mask(new_encoder)) {
DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] on [CONNECTOR:%d:%s] already assigned\n",
new_encoder->base.id, new_encoder->name,
connector->base.id, connector->name);
@ -129,7 +129,7 @@ static int handle_conflicting_encoders(struct drm_atomic_state *state,
return -EINVAL;
}
encoder_mask |= 1 << drm_encoder_index(new_encoder);
encoder_mask |= drm_encoder_mask(new_encoder);
}
}
@ -155,7 +155,7 @@ static int handle_conflicting_encoders(struct drm_atomic_state *state,
continue;
encoder = connector->state->best_encoder;
if (!encoder || !(encoder_mask & (1 << drm_encoder_index(encoder))))
if (!encoder || !(encoder_mask & drm_encoder_mask(encoder)))
continue;
if (!disable_conflicting_encoders) {
@ -223,7 +223,7 @@ set_best_encoder(struct drm_atomic_state *state,
crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
crtc_state->encoder_mask &=
~(1 << drm_encoder_index(conn_state->best_encoder));
~drm_encoder_mask(conn_state->best_encoder);
}
}
@ -234,7 +234,7 @@ set_best_encoder(struct drm_atomic_state *state,
crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
crtc_state->encoder_mask |=
1 << drm_encoder_index(encoder);
drm_encoder_mask(encoder);
}
}

16
include/drm/drm_encoder.h
View File

@ -191,11 +191,23 @@ int drm_encoder_init(struct drm_device *dev,
* Given a registered encoder, return the index of that encoder within a DRM
* device's list of encoders.
*/
static inline unsigned int drm_encoder_index(struct drm_encoder *encoder)
static inline unsigned int drm_encoder_index(const struct drm_encoder *encoder)
{
return encoder->index;
}
/**
* drm_encoder_mask - find the mask of a registered ENCODER
* @encoder: encoder to find mask for
*
* Given a registered encoder, return the mask bit of that encoder for an
* encoder's possible_clones field.
*/
static inline u32 drm_encoder_mask(const struct drm_encoder *encoder)
{
return 1 << drm_encoder_index(encoder);
}
/**
* drm_encoder_crtc_ok - can a given crtc drive a given encoder?
* @encoder: encoder to test
@ -241,7 +253,7 @@ void drm_encoder_cleanup(struct drm_encoder *encoder);
*/
#define drm_for_each_encoder_mask(encoder, dev, encoder_mask) \
list_for_each_entry((encoder), &(dev)->mode_config.encoder_list, head) \
for_each_if ((encoder_mask) & (1 << drm_encoder_index(encoder)))
for_each_if ((encoder_mask) & drm_encoder_mask(encoder))
/**
* drm_for_each_encoder - iterate over all encoders