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Message-ID: <20230817062635.8786-5-shuijing.li@mediatek.com>
Date: Thu, 17 Aug 2023 14:26:35 +0800
From: Shuijing Li <shuijing.li@...iatek.com>
To: <chunkuang.hu@...nel.org>, <p.zabel@...gutronix.de>,
<airlied@...il.com>, <daniel@...ll.ch>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
<matthias.bgg@...il.com>,
<angelogioacchino.delregno@...labora.com>, <jitao.shi@...iatek.com>
CC: <dri-devel@...ts.freedesktop.org>,
<linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>,
Shuijing Li <shuijing.li@...iatek.com>
Subject: [PATCH v5,4/4] drm/mediatek: dp: Add support MT8188 dp/edp function
Add mtk_dp_audio_sample_arrange_disable function for MT8188.
Signed-off-by: Shuijing Li <shuijing.li@...iatek.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
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