linux-kernel - [PATCH 3/8] tegra-vde: Use vb2_find

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Date:   Wed,  6 Jul 2022 15:26:52 -0300
From:   Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
To:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Hans Verkuil <hverkuil-cisco@...all.nl>,
        Tomasz Figa <tfiga@...omium.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        Dmitry Osipenko <digetx@...il.com>
Subject: [PATCH 3/8] tegra-vde: Use vb2_find_buffer

Use the newly introduced vb2_find_buffer API to get a vb2_buffer
given a buffer timestamp.

Cc: Dmitry Osipenko <digetx@...il.com>
Signed-off-by: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
---
 drivers/media/platform/nvidia/tegra-vde/h264.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/media/platform/nvidia/tegra-vde/h264.c b/drivers/media/platform/nvidia/tegra-vde/h264.c
index 88f81a134ba0..204e474d57f7 100644
--- a/drivers/media/platform/nvidia/tegra-vde/h264.c
+++ b/drivers/media/platform/nvidia/tegra-vde/h264.c
@@ -659,20 +659,19 @@ static struct vb2_buffer *get_ref_buf(struct tegra_ctx *ctx,
 {
 	const struct v4l2_h264_dpb_entry *dpb = ctx->h264.decode_params->dpb;
 	struct vb2_queue *cap_q = &ctx->fh.m2m_ctx->cap_q_ctx.q;
-	int buf_idx = -1;
+	struct vb2_buffer *vb = NULL;
 
 	if (dpb[dpb_idx].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)
-		buf_idx = vb2_find_timestamp(cap_q,
-					     dpb[dpb_idx].reference_ts, 0);
+		vb = vb2_find_buffer(cap_q, dpb[dpb_idx].reference_ts);
 
 	/*
 	 * If a DPB entry is unused or invalid, address of current destination
 	 * buffer is returned.
 	 */
-	if (buf_idx < 0)
+	if (!vb)
 		return &dst->vb2_buf;
 
-	return vb2_get_buffer(cap_q, buf_idx);
+	return vb;
 }
 
 static int tegra_vde_validate_vb_size(struct tegra_ctx *ctx,
-- 
2.34.3