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products/Sources/formale Sprachen/C/Linux/drivers/gpu/drm/i915/display/ (Linux Kernel Version 6.17.9^©) Datei vom 24.10.2025 mit Größe 2 kB

Impressum iris_vidc.c Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
*/
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

void(java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 55
<h>
#include <media/v4l2-mem2mem.h>
#java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 47

#includejava.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 37
#ris_instance."
#include "iris_vdec.h"
#nclude "iris_vb2.h"
ijava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 28
i java.lang.StringIndexOutOfBoundsException: Range [32, 30) out of bounds for length 33

#define
#java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
#struct*m_ctx >m_ctx
#define STEP_HEIGHT 1

iris_v4l2_fh_initinst)

  -type  ;
-f.=>
v4l2_fh_add(&inst->fh);
}

static void iris_v4l2_fh_deinit(java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 34
{
  java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 13
-. ;
(&;
}

static void iris_add_session(java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 32
I(&b[];
java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 37
*;
ifijava.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 37

  (IS_ERR_OR_NULL>)

list_for_each_entry(goto fail_m2m_ctx_release
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 10

  <->java.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 57
list_add_tail(inst-list,core-instances)

mutex_unlock(&core->lock);    ;
}

is_remove_session(struct iris_inst *inst)
{
struct iris_core *core = inst->core;
struct ,;

mutex_lock(&core java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 49
list_for_each_entry_safe,java.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 33
if (= java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 45
   list_del_init(&iter->list);
   break;
  }
}
mutex_unlock(&core->lock);
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static inline struct iris_inst *iris_get_inst(,);
{
return container_of(filp->java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 1
}

static java.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 52
{
}

static void iris_m2m_job_abort(java.lang.StringIndexOutOfBoundsException: Range [0, 35) out of bounds for length 0
{
struct iris_inst *inst = priv;
structv4l2_m2m_ctx*2=inst-m2m_ctxjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46

(-,;
}

static const struct v4l2_m2m_ops iris_m2m_ops = {
  =java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35
=java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33

fsizesjava.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 51
{
struct iris_inst *inst = priv;
  ret;

>  java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 50
src_vq-java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
src_vq java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 17
src_vq  -->java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
>  &java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 42
src_vq->drv_priv = inst;
src_vq->buf_struct_size=sizeofjava.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 54
java.lang.StringIndexOutOfBoundsException: Range [31, 7) out of bounds for length 46
>dev;
src_vq->ock  inst-;
   (src_vq)
if (ret)
  return ret;

  ;
  !(inst >){
else ifdeccmd=java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 40
ops=>-ijava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
dst_vq->mem_ops = &
dst_vq->.queue_setup= java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
dst_vq->buf_struct_size = sizeof(struct iris_buffer);
-mjava.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 46
dst_vq->vidioc_try_fmt_vid_cap_mplane java.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 59
dst_vq->lockjava.lang.StringIndexOutOfBoundsException: Range [33, 24) out of bounds for length 56

d;
}

int iris_openstruct file *filp)
{
struct iris_core *core = video_drvdata(filp);

int ret;

ret =(core->);
if (ret < 0)
=,

ret = iris_core_init(java.lang.StringIndexOutOfBoundsException: Range [0, 26) out of bounds for length 2
-java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 50
  dev_err(core->dev, "core init failed\n");
  pm_runtime_put_sync(core->dev);
  return ret;
}

pm_runtime_put_sync(core->dev);

inst = core->iris_platform_data->get_instance();
if (!inst)
  return -ENOMEM;

inst->core = core;
inst->session_id = hash32_ptr(inst);
inst->state = IRIS_INST_DEINIT;

mutex_init(&inst->lock);
mutex_init(&inst->ctx_q_lock);

INIT_LIST_HEAD(&inst->buffers[BUF_BIN].list);
INIT_LIST_HEAD(&inst->buffers[BUF_ARP].list);
INIT_LIST_HEAD(&inst->buffers[BUF_COMV].list);
INIT_LIST_HEAD(&inst->buffers[BUF_NON_COMV].list);
INIT_LIST_HEAD(&inst->buffers[BUF_LINE].list);
INIT_LIST_HEAD(&inst->buffers[BUF_DPB].list);
INIT_LIST_HEAD(&inst->buffers[BUF_PERSIST].list);
INIT_LIST_HEAD(&inst->buffers[BUF_SCRATCH_1].list);
init_completion(&inst->completion);
init_completion(&inst->flush_completion);

iris_v4l2_fh_init(inst);

inst->m2m_dev = v4l2_m2m_init(&iris_m2m_ops);
if (IS_ERR_OR_NULL(inst->m2m_dev)) {
  ret = -EINVAL;
  goto fail_v4l2_fh_deinit;
}

inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, iris_m2m_queue_init);
if (IS_ERR_OR_NULL(inst->m2m_ctx)) {
  ret = -EINVAL;
  goto fail_m2m_release;
}

ret = iris_vdec_inst_init(inst);
if (ret)
  goto fail_m2m_ctx_release;

iris_add_session(inst);

inst->fh.m2m_ctx = inst->m2m_ctx;
filp->private_data = &inst->fh;

return 0;

fail_m2m_ctx_release:
v4l2_m2m_ctx_release(inst->m2m_ctx);
fail_m2m_release:
v4l2_m2m_release(inst->m2m_dev);
fail_v4l2_fh_deinit:
iris_v4l2_fh_deinit(inst);
mutex_destroy(&inst->ctx_q_lock);
mutex_destroy(&inst->lock);
kfree(inst);

return ret;
}

static void iris_session_close(struct iris_inst *inst)
{
const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops;
bool wait_for_response = true;
int ret;

if (inst->state == IRIS_INST_DEINIT)
  return;

reinit_completion(&inst->completion);

ret = hfi_ops->session_close(inst);
if (ret)
  wait_for_response = false;

if (wait_for_response)
  iris_wait_for_session_response(inst, false);
}

static void iris_check_num_queued_internal_buffers(struct iris_inst *inst, u32 plane)
{
const struct iris_platform_data *platform_data = inst->core->iris_platform_data;
struct iris_buffer *buf, *next;
struct iris_buffers *buffers;
const u32 *internal_buf_type;
u32 internal_buffer_count, i;
u32 count = 0;

if (V4L2_TYPE_IS_OUTPUT(plane)) {
  internal_buf_type = platform_data->dec_ip_int_buf_tbl;
  internal_buffer_count = platform_data->dec_ip_int_buf_tbl_size;
} else {
  internal_buf_type = platform_data->dec_op_int_buf_tbl;
  internal_buffer_count = platform_data->dec_op_int_buf_tbl_size;
}

for (i = 0; i < internal_buffer_count; i++) {
  buffers = &inst->buffers[internal_buf_type[i]];
  count = 0;
  list_for_each_entry_safe(buf, next, &buffers->list, list)
   count++;
  if (count)
   dev_err(inst->core->dev, "%d buffer of type %d not released",
    count, internal_buf_type[i]);
}
}

int iris_close(struct file *filp)
{
struct iris_inst *inst = iris_get_inst(filp, NULL);

v4l2_ctrl_handler_free(&inst->ctrl_handler);
v4l2_m2m_ctx_release(inst->m2m_ctx);
v4l2_m2m_release(inst->m2m_dev);
mutex_lock(&inst->lock);
iris_vdec_inst_deinit(inst);
iris_session_close(inst);
iris_inst_change_state(inst, IRIS_INST_DEINIT);
iris_v4l2_fh_deinit(inst);
iris_destroy_all_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
iris_destroy_all_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
iris_check_num_queued_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
iris_check_num_queued_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
iris_remove_session(inst);
mutex_unlock(&inst->lock);
mutex_destroy(&inst->ctx_q_lock);
mutex_destroy(&inst->lock);
kfree(inst);
filp->private_data = NULL;

return 0;
}

static int iris_enum_fmt(struct file *filp, void *fh, struct v4l2_fmtdesc *f)
{
struct iris_inst *inst = iris_get_inst(filp, NULL);

return iris_vdec_enum_fmt(inst, f);
}

static int iris_try_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format *f)
{
struct iris_inst *inst = iris_get_inst(filp, NULL);
int ret;

mutex_lock(&inst->lock);
ret = iris_vdec_try_fmt(inst, f);
mutex_unlock(&inst->lock);

return ret;
}

static int iris_s_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format *f)
{
struct iris_inst *inst = iris_get_inst(filp, NULL);
int ret;

mutex_lock(&inst->lock);
ret = iris_vdec_s_fmt(inst, f);
mutex_unlock(&inst->lock);

return ret;
}

static int iris_g_fmt_vid_mplane(struct file *filp, void *fh, struct v4l2_format *f)
{
struct iris_inst *inst = iris_get_inst(filp, NULL);
int ret = 0;

mutex_lock(&inst->lock);
if (V4L2_TYPE_IS_OUTPUT(f->type))
  *f = *inst->fmt_src;
else if (V4L2_TYPE_IS_CAPTURE(f->type))
  *f = *inst->fmt_dst;
else
  ret = -EINVAL;

mutex_unlock(&inst->lock);

return ret;
}

static int iris_enum_framesizes(struct file *filp, void *fh,
    struct v4l2_frmsizeenum *fsize)
{
struct iris_inst *inst = iris_get_inst(filp, NULL);
struct platform_inst_caps *caps;

if (fsize->index)
  return -EINVAL;

if (fsize->pixel_format != V4L2_PIX_FMT_H264 &&
     fsize->pixel_format != V4L2_PIX_FMT_NV12)
  return -EINVAL;

caps = inst->core->iris_platform_data->inst_caps;

fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
fsize->stepwise.min_width = caps->min_frame_width;
fsize->stepwise.max_width = caps->max_frame_width;
fsize->stepwise.step_width = STEP_WIDTH;
fsize->stepwise.min_height = caps->min_frame_height;
fsize->stepwise.max_height = caps->max_frame_height;
fsize->stepwise.step_height = STEP_HEIGHT;

return 0;
}

static int iris_querycap(struct file *filp, void *fh, struct v4l2_capability *cap)
{
strscpy(cap->driver, IRIS_DRV_NAME, sizeof(cap->driver));
strscpy(cap->card, "Iris Decoder", sizeof(cap->card));

return 0;
}

static int iris_g_selection(struct file *filp, void *fh, struct v4l2_selection *s)
{
struct iris_inst *inst = iris_get_inst(filp, NULL);

if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
  return -EINVAL;

switch (s->target) {
case V4L2_SEL_TGT_CROP_BOUNDS:
case V4L2_SEL_TGT_CROP_DEFAULT:
case V4L2_SEL_TGT_CROP:
case V4L2_SEL_TGT_COMPOSE_BOUNDS:
case V4L2_SEL_TGT_COMPOSE_PADDED:
case V4L2_SEL_TGT_COMPOSE_DEFAULT:
case V4L2_SEL_TGT_COMPOSE:
  s->r.left = inst->crop.left;
  s->r.top = inst->crop.top;
  s->r.width = inst->crop.width;
  s->r.height = inst->crop.height;
  break;
default:
  return -EINVAL;
}

return 0;
}

static int iris_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub)
{
struct iris_inst *inst = container_of(fh, struct iris_inst, fh);

return iris_vdec_subscribe_event(inst, sub);
}

static int iris_dec_cmd(struct file *filp, void *fh,
   struct v4l2_decoder_cmd *dec)
{
struct iris_inst *inst = iris_get_inst(filp, NULL);
int ret = 0;

mutex_lock(&inst->lock);

ret = v4l2_m2m_ioctl_decoder_cmd(filp, fh, dec);
if (ret)
  goto unlock;

if (inst->state == IRIS_INST_DEINIT)
  goto unlock;

if (!iris_allow_cmd(inst, dec->cmd)) {
  ret = -EBUSY;
  goto unlock;
}

if (dec->cmd == V4L2_DEC_CMD_START)
  ret = iris_vdec_start_cmd(inst);
else if (dec->cmd == V4L2_DEC_CMD_STOP)
  ret = iris_vdec_stop_cmd(inst);
else
  ret = -EINVAL;

unlock:
mutex_unlock(&inst->lock);

return ret;
}

static struct v4l2_file_operations iris_v4l2_file_ops = {
.owner                          = THIS_MODULE,
.open                           = iris_open,
.release                        = iris_close,
.unlocked_ioctl                 = video_ioctl2,
.poll                           = v4l2_m2m_fop_poll,
.mmap                           = v4l2_m2m_fop_mmap,
};

static const struct vb2_ops iris_vb2_ops = {
.buf_init                       = iris_vb2_buf_init,
.queue_setup                    = iris_vb2_queue_setup,
.start_streaming                = iris_vb2_start_streaming,
.stop_streaming                 = iris_vb2_stop_streaming,
.buf_prepare                    = iris_vb2_buf_prepare,
.buf_out_validate               = iris_vb2_buf_out_validate,
.buf_queue                      = iris_vb2_buf_queue,
};

static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops = {
.vidioc_enum_fmt_vid_cap        = iris_enum_fmt,
.vidioc_enum_fmt_vid_out        = iris_enum_fmt,
.vidioc_try_fmt_vid_cap_mplane  = iris_try_fmt_vid_mplane,
.vidioc_try_fmt_vid_out_mplane  = iris_try_fmt_vid_mplane,
.vidioc_s_fmt_vid_cap_mplane    = iris_s_fmt_vid_mplane,
.vidioc_s_fmt_vid_out_mplane    = iris_s_fmt_vid_mplane,
.vidioc_g_fmt_vid_cap_mplane    = iris_g_fmt_vid_mplane,
.vidioc_g_fmt_vid_out_mplane    = iris_g_fmt_vid_mplane,
.vidioc_enum_framesizes         = iris_enum_framesizes,
.vidioc_reqbufs                 = v4l2_m2m_ioctl_reqbufs,
.vidioc_querybuf                = v4l2_m2m_ioctl_querybuf,
.vidioc_create_bufs             = v4l2_m2m_ioctl_create_bufs,
.vidioc_prepare_buf             = v4l2_m2m_ioctl_prepare_buf,
.vidioc_expbuf                  = v4l2_m2m_ioctl_expbuf,
.vidioc_qbuf                    = v4l2_m2m_ioctl_qbuf,
.vidioc_dqbuf                   = v4l2_m2m_ioctl_dqbuf,
.vidioc_remove_bufs             = v4l2_m2m_ioctl_remove_bufs,
.vidioc_querycap                = iris_querycap,
.vidioc_g_selection             = iris_g_selection,
.vidioc_subscribe_event         = iris_subscribe_event,
.vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
.vidioc_streamon                = v4l2_m2m_ioctl_streamon,
.vidioc_streamoff               = v4l2_m2m_ioctl_streamoff,
.vidioc_try_decoder_cmd         = v4l2_m2m_ioctl_try_decoder_cmd,
.vidioc_decoder_cmd             = iris_dec_cmd,
};

void iris_init_ops(struct iris_core *core)
{
core->iris_v4l2_file_ops = &iris_v4l2_file_ops;
core->iris_vb2_ops = &iris_vb2_ops;
core->iris_v4l2_ioctl_ops = &iris_v4l2_ioctl_ops;
}

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