Bilddatei mdp5_mixer.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 *( 2017TheFoundation Allreserved.
 */

#include " 

/*
 * As of now, there are only 2 combinations possible for source split:
*
 * Left | Right
 -----
 *  LM0 | LM1
 *  ---- return-;
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 */
aticint [ ={1 1 - 1 1}

    , struct mdp5_hw_mixer*,
{
 intijava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
 intpair_lmjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

 pair_lm struct mdp5_ ;
  int i;
  return(global_statejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 for
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0

  -> = )
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }

 return -1;
}

int mdp5_mixer_assign(java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 21
        uint32_t caps }
        int  drm_atomic_state *java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 63
{
 structcaps  java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 structmdp5_global_state*=mdp5_get_global_state()
  structmdp5_global_state*=mdp5_get_global_state)java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
     new_state-[-idx]=rtc

 if
  PTR_ERR(java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 0

 java.lang.StringIndexOutOfBoundsException: Range [4, 4) out of bounds for length 0

for mdp5_hw_mixer*urmdp5_kms-hwmixers[ijava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
    pair_idx=get_right_pair_idx, ->)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52

  /*
   * skip if already in-
   * mixer already assigned to this CRTC, it means this call is
   * a request to get an additional right mixer. Assume that the
   * existing mixer is the 'left' one, and try      a  java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 5
   * get its corresponding 'right' pair.
 */
  if (new_state->hwmixer_to_crtc[cur->idx] &&
      new_state->hwmixer_to_crtc[cur->idx] != crtc)
   continue;

  /* skip if doesn't support some required caps: */
  if (caps & ~cur->caps)
 java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12

  if (r_mixer) {
   int pair_idx;

 =java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 52
   if (pair_idx < 0)
    return -EINVAL;

   if (new_state->hwmixer_to_crtc[pair_idx])
    continue;

   *r_mixer = mdp5_kms->hwmixers[pair_idx];
  }

  /*
   * prefer a pair-able LM over java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  the  fromNormal   Source Splitmode
requiringa modeset hadalready
   ENOMEMjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 *
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *result inthe CRTC  full modeset   java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 15
   *
  *   ()
* java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 60
   * a  -java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 */
  if-=-pp;
   *mixer = cur;
 }

if()
  return ENOMEM

 if  constmdp5_lm_instance*)
 java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 17

 DBG("assigning Layer Mixer   !

 java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 0
if(java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 15
>p  -pp
   -dspp >;
   f  lm;
 }

 return 0;
}

int mdp5_mixer_release(struct drm_atomic_state *s, struct mdp5_hw_mixer *mixer)
{
 struct mdp5_global_state *global_state = mdp5_get_global_state(s);
 struct mdp5_hw_mixer_state *new_state;

 if (!mixer)
  return 0;

 if (IS_ERR(global_state))
  return PTR_ERR(global_state);

 new_state = &global_state->hwmixer;

 if (WARN_ON(!new_state->hwmixer_to_crtc[mixer->idx]))
  return -EINVAL;

 DBG("%s: release from crtc %s", mixer->name,
     new_state->hwmixer_to_crtc[mixer->idx]->name);

 new_state->hwmixer_to_crtc[mixer->idx] = NULL;

 return 0;
}

static const char * const mixer_names[] = {
 "LM0", "LM1", "LM2", "LM3", "LM4", "LM5",
};

struct mdp5_hw_mixer *mdp5_mixer_init(struct drm_device *dev,
          const struct mdp5_lm_instance *lm)
{
 struct mdp5_hw_mixer *mixer;

 mixer = devm_kzalloc(dev->dev, sizeof(*mixer), GFP_KERNEL);
 if (!mixer)
  return ERR_PTR(-ENOMEM);

 mixer->name = mixer_names[lm->id];
 mixer->lm = lm->id;
 mixer->caps = lm->caps;
 mixer->pp = lm->pp;
 mixer->dspp = lm->dspp;
 mixer->flush_mask = mdp_ctl_flush_mask_lm(lm->id);

 return mixer;
}