Hi, Shuijing: On Thu, 2023-07-20 at 16:26 +0800, Shuijing Li wrote: > Due to the difference of HW, different dividers need to be set. > > Signed-off-by: Shuijing Li <shuijing.li@xxxxxxxxxxxx> > Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx> > --- > Changes in v3: > Separate these two things into two different patches. > per suggestion from the previous thread: > https://lore.kernel.org/lkml/e2ad22bcba31797f38a12a488d4246a01bf0cb2e.camel@xxxxxxxxxxxx/ > Changes in v2: > - change the variables' name to be more descriptive > - add a comment that describes the function of > mtk_dp_audio_sample_arrange > - reduce indentation by doing the inverse check > - add a definition of some bits > - add support for mediatek, mt8188-edp-tx > per suggestion from the previous thread: > https://lore.kernel.org/lkml/ac0fcec9-a2fe-06cc-c727-189ef7babe9c@xxxxxxxxxxxxx/ > --- > drivers/gpu/drm/mediatek/mtk_dp.c | 7 ++++++- > drivers/gpu/drm/mediatek/mtk_dp_reg.h | 1 + > 2 files changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c > b/drivers/gpu/drm/mediatek/mtk_dp.c > index d8cda83d6fef..8e1a13ab2ba2 100644 > --- a/drivers/gpu/drm/mediatek/mtk_dp.c > +++ b/drivers/gpu/drm/mediatek/mtk_dp.c > @@ -140,6 +140,7 @@ struct mtk_dp_data { > const struct mtk_dp_efuse_fmt *efuse_fmt; > bool audio_supported; > bool audio_pkt_in_hblank_area; > + u16 audio_m_div2_bit; > }; > > static const struct mtk_dp_efuse_fmt > mt8195_edp_efuse_fmt[MTK_DP_CAL_MAX] = { > @@ -648,7 +649,7 @@ static void > mtk_dp_audio_sdp_asp_set_channels(struct mtk_dp *mtk_dp, > static void mtk_dp_audio_set_divider(struct mtk_dp *mtk_dp) > { > mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_30BC, > - AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2, > + mtk_dp->data->audio_m_div2_bit, > AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_MASK); > } > > @@ -2636,6 +2637,7 @@ static const struct mtk_dp_data mt8188_edp_data > = { > .efuse_fmt = mt8195_edp_efuse_fmt, > .audio_supported = false, > .audio_pkt_in_hblank_area = false, > + .audio_m_div2_bit = > MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2, > }; > > static const struct mtk_dp_data mt8188_dp_data = { > @@ -2644,6 +2646,7 @@ static const struct mtk_dp_data mt8188_dp_data > = { > .efuse_fmt = mt8195_dp_efuse_fmt, > .audio_supported = true, > .audio_pkt_in_hblank_area = true, > + .audio_m_div2_bit = > MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2, > }; > > static const struct mtk_dp_data mt8195_edp_data = { > @@ -2652,6 +2655,7 @@ static const struct mtk_dp_data mt8195_edp_data > = { > .efuse_fmt = mt8195_edp_efuse_fmt, > .audio_supported = false, > .audio_pkt_in_hblank_area = false, > + .audio_m_div2_bit = AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2, > }; > > static const struct mtk_dp_data mt8195_dp_data = { > @@ -2660,6 +2664,7 @@ static const struct mtk_dp_data mt8195_dp_data > = { > .efuse_fmt = mt8195_dp_efuse_fmt, > .audio_supported = true, > .audio_pkt_in_hblank_area = false, > + .audio_m_div2_bit = AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2, > }; > > static const struct of_device_id mtk_dp_of_match[] = { > diff --git a/drivers/gpu/drm/mediatek/mtk_dp_reg.h > b/drivers/gpu/drm/mediatek/mtk_dp_reg.h > index f38d6ff12afe..6d7f0405867e 100644 > --- a/drivers/gpu/drm/mediatek/mtk_dp_reg.h > +++ b/drivers/gpu/drm/mediatek/mtk_dp_reg.h > @@ -162,6 +162,7 @@ > #define AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_MUL_2 (1 << 8) > #define AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_MUL_4 (2 << 8) > #define AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_MUL_8 (3 << 8) > +#define MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2 (4 << > 8) For AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_*, add prefix 'MT8195_'. And list all configuration for MT8188. Regards, CK > #define AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2 (5 << 8) > #define AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_4 (6 << 8) > #define AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_8 (7 << 8)
