media: venus: vdec: Mark flushed buffers with error state

Once the hfi_session_flush is issued by the vdec all queued buffers to firmware should be returned to the v4l driver. Some of those buffers are not processed at the time of flush command, those buffers has filled len zero (no data). Catch that in buffer_done callback and mark not filled capture buffers with error state so that client can discard them. Signed-off-by: Stanimir Varbanov <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
RoPieee · May 5, 2020 · 51df3c8 · 51df3c8
1 parent 0febf92
commit 51df3c8
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
@@ -1241,6 +1241,9 @@ static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type,
 			if (inst->codec_state == VENUS_DEC_STATE_DRAIN)
 				inst->codec_state = VENUS_DEC_STATE_STOPPED;
 		}
+
+		if (!bytesused)
+			state = VB2_BUF_STATE_ERROR;
 	} else {
 		vbuf->sequence = inst->sequence_out++;
 	}