From: Michael Tretter Date: Mon, 13 Jul 2020 14:42:21 +0000 (+0200) Subject: media: allegro: add field for number of buffers X-Git-Tag: v5.10.7~1904^2~63 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=53c200ff49636de598b2ef5689d548c774b0373a;p=platform%2Fkernel%2Flinux-rpi.git media: allegro: add field for number of buffers When pushing the buffers for the intermediate and reference frames to the MCU, the driver relied on the message size to calculate the number of buffers. As it is not necessary anymore to keep the messages binary compatible to the firmware, we can just explicitly write the number of buffers into the message. Signed-off-by: Michael Tretter Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/staging/media/allegro-dvt/allegro-core.c b/drivers/staging/media/allegro-dvt/allegro-core.c index 6334b35..6745a5f 100644 --- a/drivers/staging/media/allegro-dvt/allegro-core.c +++ b/drivers/staging/media/allegro-dvt/allegro-core.c @@ -1115,6 +1115,7 @@ static int allegro_mcu_push_buffer_internal(struct allegro_channel *channel, msg->header.length = size - sizeof(msg->header); msg->header.type = type; msg->channel_id = channel->mcu_channel_id; + msg->num_buffers = num_buffers; buffer = msg->buffer; list_for_each_entry(al_buffer, list, head) { diff --git a/drivers/staging/media/allegro-dvt/allegro-mail.c b/drivers/staging/media/allegro-dvt/allegro-mail.c index c78367d..ba1c3bc 100644 --- a/drivers/staging/media/allegro-dvt/allegro-mail.c +++ b/drivers/staging/media/allegro-dvt/allegro-mail.c @@ -156,7 +156,7 @@ allegro_enc_push_buffers(u32 *dst, struct mcu_msg_push_buffers_internal *msg) { unsigned int i = 0; struct mcu_msg_push_buffers_internal_buffer *buffer; - unsigned int num_buffers = (msg->header.length - 4) / sizeof(*buffer); + unsigned int num_buffers = msg->num_buffers; unsigned int j; dst[i++] = msg->channel_id; diff --git a/drivers/staging/media/allegro-dvt/allegro-mail.h b/drivers/staging/media/allegro-dvt/allegro-mail.h index 457caf5..14b54eb 100644 --- a/drivers/staging/media/allegro-dvt/allegro-mail.h +++ b/drivers/staging/media/allegro-dvt/allegro-mail.h @@ -169,6 +169,7 @@ struct mcu_msg_push_buffers_internal_buffer { struct mcu_msg_push_buffers_internal { struct mcu_msg_header header; u32 channel_id; + size_t num_buffers; struct mcu_msg_push_buffers_internal_buffer buffer[]; } __attribute__ ((__packed__));