diff mbox series

[14/18] media: allegro: add helper to get entropy mode

Message ID 20201203110106.2939463-15-m.tretter@pengutronix.de
State Accepted
Commit 655ef9f9e87568aff031391712669b74d1b362f1
Headers show
Series media: allegro: add HEVC support | expand

Commit Message

Michael Tretter Dec. 3, 2020, 11:01 a.m. UTC 
The driver only supports CAVLC for H.264, but HEVC only uses CABAC. As
the driver has to explicitly tell the MCU to use CABAC for HEVC, add a
helper function to get the entropy mode.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
---
 drivers/media/platform/allegro-dvt/allegro-core.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/drivers/media/platform/allegro-dvt/allegro-core.c b/drivers/media/platform/allegro-dvt/allegro-core.c
index 004df6ea2430..016c31655467 100644
--- a/drivers/media/platform/allegro-dvt/allegro-core.c
+++ b/drivers/media/platform/allegro-dvt/allegro-core.c
@@ -944,6 +944,14 @@  static s16 get_qp_delta(int minuend, int subtrahend)
 		return minuend - subtrahend;
 }
 
+static u32 allegro_channel_get_entropy_mode(struct allegro_channel *channel)
+{
+#define ALLEGRO_ENTROPY_MODE_CAVLC 0
+#define ALLEGRO_ENTROPY_MODE_CABAC 1
+
+	return ALLEGRO_ENTROPY_MODE_CAVLC;
+}
+
 static int fill_create_channel_param(struct allegro_channel *channel,
 				     struct create_channel_param *param)
 {
@@ -974,6 +982,7 @@  static int fill_create_channel_param(struct allegro_channel *channel,
 	param->temporal_mvp_enable = channel->temporal_mvp_enable;
 
 	param->dbf_ovr_en = channel->dbf_ovr_en;
+	param->entropy_mode = allegro_channel_get_entropy_mode(channel);
 	param->rdo_cost_mode = 1;
 	param->custom_lda = 1;
 	param->lf = 1;