From: Dikshita Agarwal Date: Fri, 9 May 2025 08:39:12 +0000 (+0530) Subject: media: iris: Add codec specific check for VP9 decoder drain handling X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=478c4478610d307b710e69b858243bcd78f522de;p=thirdparty%2Flinux.git media: iris: Add codec specific check for VP9 decoder drain handling Add a codec specific for the VP9 decoder to ensure that a non-null buffer is sent to the firmware during drain. The firmware enforces a check for VP9 decoder that the number of buffers queued and dequeued on the output plane should match. When a null buffer is sent, the firmware does not return a response for it, leading to a count mismatch and an assertion failure from the firmware. Acked-by: Vikash Garodia Tested-by: Neil Armstrong # on SM8550-QRD Tested-by: Neil Armstrong # on SM8550-HDK Tested-by: Neil Armstrong # on SM8650-QRD Tested-by: Neil Armstrong # on SM8650-HDK Signed-off-by: Dikshita Agarwal Tested-by: Vikash Garodia # on sa8775p-ride Signed-off-by: Bryan O'Donoghue Signed-off-by: Hans Verkuil --- diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c index 2e3f5a6b2ff11..5fc30d54af4dc 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c @@ -401,6 +401,8 @@ static int iris_hfi_gen1_session_drain(struct iris_inst *inst, u32 plane) ip_pkt.shdr.hdr.pkt_type = HFI_CMD_SESSION_EMPTY_BUFFER; ip_pkt.shdr.session_id = inst->session_id; ip_pkt.flags = HFI_BUFFERFLAG_EOS; + if (inst->codec == V4L2_PIX_FMT_VP9) + ip_pkt.packet_buffer = 0xdeadb000; return iris_hfi_queue_cmd_write(inst->core, &ip_pkt, ip_pkt.shdr.hdr.size); } diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c index 926acee1f48cc..8d1ce8a19a45e 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c @@ -348,6 +348,10 @@ static void iris_hfi_gen1_session_etb_done(struct iris_inst *inst, void *packet) struct iris_buffer *buf = NULL; bool found = false; + /* EOS buffer sent via drain won't be in v4l2 buffer list */ + if (pkt->packet_buffer == 0xdeadb000) + return; + v4l2_m2m_for_each_src_buf_safe(m2m_ctx, m2m_buffer, n) { buf = to_iris_buffer(&m2m_buffer->vb); if (buf->index == pkt->input_tag) {