[PATCH 10/25] media: iris: Send dummy buffer address for all codecs during drain

From: Dikshita Agarwal
Date: Fri Jul 04 2025 - 03:55:51 EST


Firmware can handle a dummy address for buffers with the EOS flag. To
ensure consistent behavior across all codecs, update the drain
command to always send a dummy buffer address.

This makes the drain handling uniform and avoids any codec specific
assumptions.

Fixes: 478c4478610d ("media: iris: Add codec specific check for VP9 decoder drain handling")
Signed-off-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>
---
drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

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 5f1748ab80f88393215fc2d82c5c6b4af1266090..5097680ee14ebba3a126213c0584161627ca47d7 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
@@ -402,8 +402,7 @@ 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;
+ ip_pkt.packet_buffer = 0xdeadb000;

return iris_hfi_queue_cmd_write(inst->core, &ip_pkt, ip_pkt.shdr.hdr.size);
}

--
2.34.1