[PATCH 3/6] hantro: Rework how encoder and decoder are identified

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So far we've been using the .buf_finish hook to distinguish
decoder from encoder. This is unnecessarily obfuscated.

Moreover, we want to move the buf_finish, so use a cleaner
scheme to distinguish the driver decoder/encoder type.

Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
---
 drivers/staging/media/hantro/hantro.h     | 2 ++
 drivers/staging/media/hantro/hantro_drv.c | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h
index 3005207fc6fb..028b788ad50f 100644
--- a/drivers/staging/media/hantro/hantro.h
+++ b/drivers/staging/media/hantro/hantro.h
@@ -199,6 +199,7 @@ struct hantro_dev {
  *
  * @dev:		VPU driver data to which the context belongs.
  * @fh:			V4L2 file handler.
+ * @is_encoder:		Decoder or encoder context?
  *
  * @sequence_cap:       Sequence counter for capture queue
  * @sequence_out:       Sequence counter for output queue
@@ -223,6 +224,7 @@ struct hantro_dev {
 struct hantro_ctx {
 	struct hantro_dev *dev;
 	struct v4l2_fh fh;
+	bool is_encoder;
 
 	u32 sequence_cap;
 	u32 sequence_out;
diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
index 0db8ad455160..112ed556eb90 100644
--- a/drivers/staging/media/hantro/hantro_drv.c
+++ b/drivers/staging/media/hantro/hantro_drv.c
@@ -197,7 +197,7 @@ static void device_run(void *priv)
 
 bool hantro_is_encoder_ctx(const struct hantro_ctx *ctx)
 {
-	return ctx->buf_finish == hantro_enc_buf_finish;
+	return ctx->is_encoder;
 }
 
 static struct v4l2_m2m_ops vpu_m2m_ops = {
@@ -420,8 +420,10 @@ static int hantro_open(struct file *filp)
 	if (func->id == MEDIA_ENT_F_PROC_VIDEO_ENCODER) {
 		allowed_codecs = vpu->variant->codec & HANTRO_ENCODERS;
 		ctx->buf_finish = hantro_enc_buf_finish;
+		ctx->is_encoder = true;
 	} else if (func->id == MEDIA_ENT_F_PROC_VIDEO_DECODER) {
 		allowed_codecs = vpu->variant->codec & HANTRO_DECODERS;
+		ctx->is_encoder = false;
 	} else {
 		ret = -ENODEV;
 		goto err_ctx_free;
-- 
2.26.0.rc2




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