media: venus: factor out inst destruction routine

Factor out common instance destruction code into
a common function.

Suggested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Stanimir Varbanov <stanimir.k.varbanov@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Sergey Senozhatsky 2024-10-26 01:56:43 +09:00 committed by Hans Verkuil
parent 45b1a1b348
commit 1b3bb4d69f
8 changed files with 31 additions and 56 deletions

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@ -19,6 +19,7 @@
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
#include <media/videobuf2-v4l2.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-mem2mem.h>
#include <media/v4l2-ioctl.h>
@ -502,6 +503,30 @@ static __maybe_unused int venus_runtime_suspend(struct device *dev)
return ret;
}
void venus_close_common(struct venus_inst *inst)
{
/*
* First, remove the inst from the ->instances list, so that
* to_instance() will return NULL.
*/
hfi_session_destroy(inst);
/*
* Second, make sure we don't have IRQ/IRQ-thread currently running
* or pending execution, which would race with the inst destruction.
*/
synchronize_irq(inst->core->irq);
v4l2_m2m_ctx_release(inst->m2m_ctx);
v4l2_m2m_release(inst->m2m_dev);
v4l2_fh_del(&inst->fh);
v4l2_fh_exit(&inst->fh);
v4l2_ctrl_handler_free(&inst->ctrl_handler);
mutex_destroy(&inst->lock);
mutex_destroy(&inst->ctx_q_lock);
}
EXPORT_SYMBOL_GPL(venus_close_common);
static __maybe_unused int venus_runtime_resume(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);

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@ -568,4 +568,6 @@ is_fw_rev_or_older(struct venus_core *core, u32 vmajor, u32 vminor, u32 vrev)
(core)->venus_ver.minor == vminor &&
(core)->venus_ver.rev <= vrev);
}
void venus_close_common(struct venus_inst *inst);
#endif

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@ -1735,7 +1735,7 @@ static int vdec_open(struct file *file)
err_session_destroy:
hfi_session_destroy(inst);
err_ctrl_deinit:
vdec_ctrl_deinit(inst);
v4l2_ctrl_handler_free(&inst->ctrl_handler);
err_free:
kfree(inst);
return ret;
@ -1746,29 +1746,9 @@ static int vdec_close(struct file *file)
struct venus_inst *inst = to_inst(file);
vdec_pm_get(inst);
cancel_work_sync(&inst->delayed_process_work);
/*
* First, remove the inst from the ->instances list, so that
* to_instance() will return NULL.
*/
hfi_session_destroy(inst);
/*
* Second, make sure we don't have IRQ/IRQ-thread currently running
* or pending execution, which would race with the inst destruction.
*/
synchronize_irq(inst->core->irq);
v4l2_m2m_ctx_release(inst->m2m_ctx);
v4l2_m2m_release(inst->m2m_dev);
venus_close_common(inst);
ida_destroy(&inst->dpb_ids);
v4l2_fh_del(&inst->fh);
v4l2_fh_exit(&inst->fh);
vdec_ctrl_deinit(inst);
mutex_destroy(&inst->lock);
mutex_destroy(&inst->ctx_q_lock);
vdec_pm_put(inst, false);
kfree(inst);

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@ -9,6 +9,5 @@
struct venus_inst;
int vdec_ctrl_init(struct venus_inst *inst);
void vdec_ctrl_deinit(struct venus_inst *inst);
#endif

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@ -187,8 +187,3 @@ int vdec_ctrl_init(struct venus_inst *inst)
return 0;
}
void vdec_ctrl_deinit(struct venus_inst *inst)
{
v4l2_ctrl_handler_free(&inst->ctrl_handler);
}

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@ -1528,7 +1528,7 @@ static int venc_open(struct file *file)
err_session_destroy:
hfi_session_destroy(inst);
err_ctrl_deinit:
venc_ctrl_deinit(inst);
v4l2_ctrl_handler_free(&inst->ctrl_handler);
err_free:
kfree(inst);
return ret;
@ -1539,28 +1539,8 @@ static int venc_close(struct file *file)
struct venus_inst *inst = to_inst(file);
venc_pm_get(inst);
/*
* First, remove the inst from the ->instances list, so that
* to_instance() will return NULL.
*/
hfi_session_destroy(inst);
/*
* Second, make sure we don't have IRQ/IRQ-thread currently running
* or pending execution, which would race with the inst destruction.
*/
synchronize_irq(inst->core->irq);
v4l2_m2m_ctx_release(inst->m2m_ctx);
v4l2_m2m_release(inst->m2m_dev);
v4l2_fh_del(&inst->fh);
v4l2_fh_exit(&inst->fh);
venc_ctrl_deinit(inst);
venus_close_common(inst);
inst->enc_state = VENUS_ENC_STATE_DEINIT;
mutex_destroy(&inst->lock);
mutex_destroy(&inst->ctx_q_lock);
venc_pm_put(inst, false);
kfree(inst);

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@ -9,6 +9,5 @@
struct venus_inst;
int venc_ctrl_init(struct venus_inst *inst);
void venc_ctrl_deinit(struct venus_inst *inst);
#endif

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@ -733,8 +733,3 @@ int venc_ctrl_init(struct venus_inst *inst)
v4l2_ctrl_handler_free(&inst->ctrl_handler);
return ret;
}
void venc_ctrl_deinit(struct venus_inst *inst)
{
v4l2_ctrl_handler_free(&inst->ctrl_handler);
}