[PATCH v5,4/4] drm/mediatek: dp: Add support MT8188 dp/edp function

[Shuijing Li <shuijing.li@mediatek.com>]

Add mtk_dp_audio_sample_arrange_disable function for MT8188.

Signed-off-by: Shuijing Li <shuijing.li@mediatek.com>
---
Changes in v5:
Separate mt8188 related code into mtk_dp_data structure and mt8188 dp/edp function
per suggestion from the previous thread:
https://lore.kernel.org/lkml/c1c84616f3da83a8a2bc245b0d3c7697153cd81a.camel@mediatek.com/
---
 drivers/gpu/drm/mediatek/mtk_dp.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c
index fb110374ad1f..67986dd7c9d7 100644
--- a/drivers/gpu/drm/mediatek/mtk_dp.c
+++ b/drivers/gpu/drm/mediatek/mtk_dp.c
@@ -1364,6 +1364,18 @@ static void mtk_dp_sdp_set_down_cnt_init_in_hblank(struct mtk_dp *mtk_dp)
 			   SDP_DOWN_CNT_INIT_IN_HBLANK_DP_ENC1_P0_MASK);
 }
 
+static void mtk_dp_audio_sample_arrange_disable(struct mtk_dp *mtk_dp)
+{
+	/* arrange audio packets into the Hblanking and Vblanking area */
+	if (!mtk_dp->data->audio_pkt_in_hblank_area)
+		return;
+
+	mtk_dp_update_bits(mtk_dp, MTK_DP_ENC1_P0_3374, 0,
+			   SDP_ASP_INSERT_IN_HBLANK_DP_ENC1_P0_MASK);
+	mtk_dp_update_bits(mtk_dp, MTK_DP_ENC1_P0_3374, 0,
+			   SDP_DOWN_ASP_CNT_INIT_DP_ENC1_P0_MASK);
+}
+
 static void mtk_dp_setup_tu(struct mtk_dp *mtk_dp)
 {
 	u32 sram_read_start = min_t(u32, MTK_DP_TBC_BUF_READ_START_ADDR,
@@ -1373,6 +1385,7 @@ static void mtk_dp_setup_tu(struct mtk_dp *mtk_dp)
 				    MTK_DP_PIX_PER_ADDR);
 	mtk_dp_set_sram_read_start(mtk_dp, sram_read_start);
 	mtk_dp_setup_encoder(mtk_dp);
+	mtk_dp_audio_sample_arrange_disable(mtk_dp);
 	mtk_dp_sdp_set_down_cnt_init_in_hblank(mtk_dp);
 	mtk_dp_sdp_set_down_cnt_init(mtk_dp, sram_read_start);
 }
-- 
2.40.1