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@xxxxxxxxxxxxxx>
---
drivers/media/platform/allegro-dvt/allegro-core.c | 9 +++++++++
1 file changed, 9 insertions(+)
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;
--
2.20.1
