diff mbox series

[PATCHv3,3/3] media: venus: factor out inst destruction routine

Message ID 20241025034629.660047-4-senozhatsky@chromium.org
State New
Headers show
Series media: venus: close() fixes | expand

Commit Message

Sergey Senozhatsky Oct. 25, 2024, 3:46 a.m. UTC
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>
---
 drivers/media/platform/qcom/venus/core.c      | 25 +++++++++++++++++++
 drivers/media/platform/qcom/venus/core.h      |  2 ++
 drivers/media/platform/qcom/venus/vdec.c      | 22 +---------------
 drivers/media/platform/qcom/venus/vdec.h      |  7 +++++-
 .../media/platform/qcom/venus/vdec_ctrls.c    |  6 -----
 drivers/media/platform/qcom/venus/venc.c      | 22 +---------------
 6 files changed, 35 insertions(+), 49 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
index 423deb5e94dc..4d90fc1c21fe 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -26,6 +26,7 @@ 
 #include "firmware.h"
 #include "pm_helpers.h"
 #include "hfi_venus_io.h"
+#include "vdec.h"
 
 static void venus_coredump(struct venus_core *core)
 {
@@ -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);
+	vdec_ctrl_deinit(inst);
+
+	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);
diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index 435325432922..7bb36a270e15 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -560,4 +560,6 @@  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
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index b3192a36f388..9a680402c711 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -1748,29 +1748,9 @@  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);
diff --git a/drivers/media/platform/qcom/venus/vdec.h b/drivers/media/platform/qcom/venus/vdec.h
index 6b262d0bf561..2687255b1616 100644
--- a/drivers/media/platform/qcom/venus/vdec.h
+++ b/drivers/media/platform/qcom/venus/vdec.h
@@ -6,9 +6,14 @@ 
 #ifndef __VENUS_VDEC_H__
 #define __VENUS_VDEC_H__
 
+#include <media/v4l2-ctrls.h>
+
 struct venus_inst;
 
 int vdec_ctrl_init(struct venus_inst *inst);
-void vdec_ctrl_deinit(struct venus_inst *inst);
+static inline void vdec_ctrl_deinit(struct venus_inst *inst)
+{
+	v4l2_ctrl_handler_free(&inst->ctrl_handler);
+}
 
 #endif
diff --git a/drivers/media/platform/qcom/venus/vdec_ctrls.c b/drivers/media/platform/qcom/venus/vdec_ctrls.c
index 7e0f29bf7fae..fa034a7fdbed 100644
--- a/drivers/media/platform/qcom/venus/vdec_ctrls.c
+++ b/drivers/media/platform/qcom/venus/vdec_ctrls.c
@@ -4,7 +4,6 @@ 
  * Copyright (C) 2017 Linaro Ltd.
  */
 #include <linux/types.h>
-#include <media/v4l2-ctrls.h>
 
 #include "core.h"
 #include "helpers.h"
@@ -187,8 +186,3 @@  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);
-}
diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index 36981ce448f5..2ae22ba156bb 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -1516,28 +1516,8 @@  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);