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Message-ID: <1d41747060c613ca0ae8e3b6395cc33bfa4d9056.camel@mediatek.com>
Date: Mon, 21 Aug 2023 06:13:58 +0000
From: CK Hu (胡俊光) <ck.hu@...iatek.com>
To: Shuijing Li (李水静)
<Shuijing.Li@...iatek.com>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
Jitao Shi (石记涛) <jitao.shi@...iatek.com>,
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"p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
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"krzysztof.kozlowski+dt@...aro.org"
<krzysztof.kozlowski+dt@...aro.org>,
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"angelogioacchino.delregno@...labora.com"
<angelogioacchino.delregno@...labora.com>
CC: "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-mediatek@...ts.infradead.org"
<linux-mediatek@...ts.infradead.org>,
"linux-arm-kernel@...ts.infradead.org"
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"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
Project_Global_Chrome_Upstream_Group
<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v5,4/4] drm/mediatek: dp: Add support MT8188 dp/edp
function
Hi, Shuijing:
On Thu, 2023-08-17 at 14:26 +0800, Shuijing Li wrote:
> 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);
> +}
Move this to patch "[2/4] Add the audio packet flag"
> +
> 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);
Ditto.
Regards,
CK
> mtk_dp_sdp_set_down_cnt_init_in_hblank(mtk_dp);
> mtk_dp_sdp_set_down_cnt_init(mtk_dp, sram_read_start);
> }
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