From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D1113355049 for ; Sat, 28 Feb 2026 17:50:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301016; cv=none; b=bwjddRMgR1sZVWbppnktXl0TzYBFpxHajoi0N9Q+qsQV1dDFd3wW8ssdze6zFXoPcXu3hgfj54krKcUyWc/EnLUCblDPdLtX1G2Xce0QdYXAckkd+VDthcnexEIAh0XkMPZ91CPWOa+U8vNUlyNG963Jq1UA4GKj2s27HXy2wzk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301016; c=relaxed/simple; bh=rNCkH+rId8De7AeTKfbJtAdu4dW2wTMqeGDe7DTmVdo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=H0kusGGc60v/g4JDNkteOJ3jgcvSHMJJxOQk5EFllz4X5ZA/Ygv0wC8qUuFve+pUNSOa97mtm/lwb8PLER66jQ02SAdClZpxnfHvkByE5wDwgmvUCJZLvQIhvzDcgaRGC3Q6ke72/m1AAP3B3eqcKvNn1cc9PjC7vb8rRrasd9c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=W7HqSEe9; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="W7HqSEe9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 23846C19424; Sat, 28 Feb 2026 17:50:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301016; bh=rNCkH+rId8De7AeTKfbJtAdu4dW2wTMqeGDe7DTmVdo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W7HqSEe9HSVwQZDmfzKTfvWTRYYeqBPoBcTM4193C6U3bQw+hTigKsGfnJW0m022p qlC8+z9pRXFXi5SAOWVrbm809Zw9wuXsaWjs7Foa4JgFBF1zdaL9Zv7tIQuZ95n7jd EJnL6Z6HcS8dgQWFUMQTDPgIr5KzNnoiC5WK3roMs+GAt4/R7zLOmbnN/idSDLAhBC lby3j6cyTcNDymKNG1cQrDN40k+P7WBYMAZb3MMyRF7HKCfHQ4ulPtUleMXymDAbLU h+07ybeldRHAmipdHtzeJ6BBt4IBclc8V6j+UpTLeSTnsyMdDjRv3z+1CS7wsW+869 EDmxfsRjwjRoA== From: Sasha Levin To: patches@lists.linux.dev Cc: Ming Qian , Nicolas Dufresne , Hans Verkuil , Sasha Levin Subject: [PATCH 6.18 152/752] media: amphion: Clear last_buffer_dequeued flag for DEC_CMD_START Date: Sat, 28 Feb 2026 12:37:43 -0500 Message-ID: <20260228174750.1542406-152-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Ming Qian [ Upstream commit d85f3207d75df6d7a08be6526b15ff398668206c ] The V4L2_DEC_CMD_START command may be used to handle the dynamic source change, which will triggers an implicit decoder drain. The last_buffer_dequeued flag is set in the implicit decoder drain, so driver need to clear it to continue the following decoding flow. Signed-off-by: Ming Qian Reviewed-by: Nicolas Dufresne Signed-off-by: Nicolas Dufresne Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/platform/amphion/vdec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/amphion/vdec.c b/drivers/media/platform/amphion/vdec.c index 32eef2fd1f2a9..6b63e8ca0cb40 100644 --- a/drivers/media/platform/amphion/vdec.c +++ b/drivers/media/platform/amphion/vdec.c @@ -726,6 +726,7 @@ static int vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd switch (cmd->cmd) { case V4L2_DEC_CMD_START: vdec_cmd_start(inst); + vb2_clear_last_buffer_dequeued(v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx)); break; case V4L2_DEC_CMD_STOP: vdec_cmd_stop(inst); -- 2.51.0