linux-kernel - [PATCH v2 6/6] hantro: Make sure we don't use post-processor on an encoder

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Date:   Wed,  1 Jul 2020 10:16:07 -0300
From:   Ezequiel Garcia <ezequiel@...labora.com>
To:     linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     kernel@...labora.com, Hans Verkuil <hverkuil@...all.nl>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Ezequiel Garcia <ezequiel@...labora.com>
Subject: [PATCH v2 6/6] hantro: Make sure we don't use post-processor on an encoder

Commit 986eee3a5234f fixed hantro_needs_postproc condition,
but missed one case. Encoders don't have any post-processor
hardware block, so also can't be disabled.

Fix it.

Fixes: 986eee3a5234f ("media: hantro: Prevent encoders from using post-processing")
Signed-off-by: Ezequiel Garcia <ezequiel@...labora.com>
---
 drivers/staging/media/hantro/hantro_drv.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
index 34367b169011..d32b6b1ab70b 100644
--- a/drivers/staging/media/hantro/hantro_drv.c
+++ b/drivers/staging/media/hantro/hantro_drv.c
@@ -122,10 +122,12 @@ void hantro_start_prepare_run(struct hantro_ctx *ctx)
 	v4l2_ctrl_request_setup(src_buf->vb2_buf.req_obj.req,
 				&ctx->ctrl_handler);
 
-	if (hantro_needs_postproc(ctx, ctx->vpu_dst_fmt))
-		hantro_postproc_enable(ctx);
-	else
-		hantro_postproc_disable(ctx);
+	if (!ctx->is_encoder) {
+		if (hantro_needs_postproc(ctx, ctx->vpu_dst_fmt))
+			hantro_postproc_enable(ctx);
+		else
+			hantro_postproc_disable(ctx);
+	}
 }
 
 void hantro_end_prepare_run(struct hantro_ctx *ctx)
-- 
2.26.0.rc2