From: AngeloGioacchino Del Regno Date: Mon, 17 Feb 2025 15:48:03 +0000 (+0100) Subject: drm/mediatek: Add support for MT8195 Digital Parallel Interface X-Git-Tag: v6.15-rc1~120^2~5^2~7 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48bfb13cc8cb231962a48f1505209c2d986bc4de;p=thirdparty%2Fkernel%2Fstable.git drm/mediatek: Add support for MT8195 Digital Parallel Interface Add support for the DPI block found in the MT8195 and MT8188 SoCs. Inside of the SoC, this block is directly connected to the HDMI IP. Reviewed-by: CK Hu Signed-off-by: AngeloGioacchino Del Regno Link: https://patchwork.kernel.org/project/dri-devel/patch/20250217154836.108895-11-angelogioacchino.delregno@collabora.com/ Signed-off-by: Chun-Kuang Hu --- diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 14364d96f4d73..0fd13e6dd3f16 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -1139,6 +1139,24 @@ static const struct mtk_dpi_conf mt8192_conf = { .csc_enable_bit = CSC_ENABLE, }; +static const struct mtk_dpi_conf mt8195_conf = { + .max_clock_khz = 594000, + .output_fmts = mt8183_output_fmts, + .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts), + .pixels_per_iter = 1, + .is_ck_de_pol = true, + .swap_input_support = true, + .support_direct_pin = true, + .dimension_mask = HPW_MASK, + .hvsize_mask = HSIZE_MASK, + .channel_swap_shift = CH_SWAP, + .yuv422_en_bit = YUV422_EN, + .csc_enable_bit = CSC_ENABLE, + .input_2p_en_bit = DPI_INPUT_2P_EN, + .clocked_by_hdmi = true, + .output_1pixel = true, +}; + static const struct mtk_dpi_conf mt8195_dpintf_conf = { .dpi_factor = dpi_factor_mt8195_dp_intf, .num_dpi_factor = ARRAY_SIZE(dpi_factor_mt8195_dp_intf), @@ -1242,6 +1260,7 @@ static const struct of_device_id mtk_dpi_of_ids[] = { { .compatible = "mediatek,mt8188-dp-intf", .data = &mt8195_dpintf_conf }, { .compatible = "mediatek,mt8192-dpi", .data = &mt8192_conf }, { .compatible = "mediatek,mt8195-dp-intf", .data = &mt8195_dpintf_conf }, + { .compatible = "mediatek,mt8195-dpi", .data = &mt8195_conf }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, mtk_dpi_of_ids); diff --git a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h index 61b276bce70f8..23eeefce8fd20 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h +++ b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h @@ -43,6 +43,7 @@ /* DPI_CON: DPI instances */ #define DPI_OUTPUT_1T1P_EN BIT(24) +#define DPI_INPUT_2P_EN BIT(25) /* DPI_CON: DPINTF instances */ #define DPINTF_YUV422_EN BIT(24) #define DPINTF_CSC_ENABLE BIT(26) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index f22ad2882697c..772c3d0f5d14d 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -810,6 +810,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = { .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt8195-dp-intf", .data = (void *)MTK_DP_INTF }, + { .compatible = "mediatek,mt8195-dpi", + .data = (void *)MTK_DPI }, { .compatible = "mediatek,mt2701-dsi", .data = (void *)MTK_DSI }, { .compatible = "mediatek,mt8173-dsi",