diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_dp.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_dp.c | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c index 2cb47f663756..e4c16ba9902d 100644 --- a/drivers/gpu/drm/mediatek/mtk_dp.c +++ b/drivers/gpu/drm/mediatek/mtk_dp.c @@ -141,6 +141,8 @@ struct mtk_dp_data { unsigned int smc_cmd; 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] = { @@ -649,7 +651,7 @@ 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); } @@ -1394,6 +1396,18 @@ 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, @@ -1403,6 +1417,7 @@ 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); } @@ -2034,7 +2049,6 @@ static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge, bool enabled = mtk_dp->enabled; struct edid *new_edid = NULL; struct mtk_dp_audio_cfg *audio_caps = &mtk_dp->info.audio_cur_cfg; - struct cea_sad *sads; if (!enabled) { drm_atomic_bridge_chain_pre_enable(bridge, connector->state->state); @@ -2049,11 +2063,16 @@ static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge, */ if (mtk_dp_parse_capabilities(mtk_dp)) { drm_err(mtk_dp->drm_dev, "Can't parse capabilities\n"); + kfree(new_edid); new_edid = NULL; } if (new_edid) { + struct cea_sad *sads; + audio_caps->sad_count = drm_edid_to_sad(new_edid, &sads); + kfree(sads); + audio_caps->detect_monitor = drm_detect_monitor_audio(new_edid); } @@ -2736,11 +2755,21 @@ static int mtk_dp_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(mtk_dp_pm_ops, mtk_dp_suspend, mtk_dp_resume); +static const struct mtk_dp_data mt8188_dp_data = { + .bridge_type = DRM_MODE_CONNECTOR_DisplayPort, + .smc_cmd = MTK_DP_SIP_ATF_VIDEO_UNMUTE, + .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 = { .bridge_type = DRM_MODE_CONNECTOR_eDP, .smc_cmd = MTK_DP_SIP_ATF_EDP_VIDEO_UNMUTE, .efuse_fmt = mt8195_edp_efuse_fmt, .audio_supported = false, + .audio_m_div2_bit = MT8195_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2, }; static const struct mtk_dp_data mt8195_dp_data = { @@ -2748,10 +2777,19 @@ static const struct mtk_dp_data mt8195_dp_data = { .smc_cmd = MTK_DP_SIP_ATF_VIDEO_UNMUTE, .efuse_fmt = mt8195_dp_efuse_fmt, .audio_supported = true, + .audio_m_div2_bit = MT8195_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2, }; static const struct of_device_id mtk_dp_of_match[] = { { + .compatible = "mediatek,mt8188-edp-tx", + .data = &mt8195_edp_data, + }, + { + .compatible = "mediatek,mt8188-dp-tx", + .data = &mt8188_dp_data, + }, + { .compatible = "mediatek,mt8195-edp-tx", .data = &mt8195_edp_data, }, |