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drm/mediatek: Add support for MT8195 Digital Parallel Interface

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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 <ck.hu@mediatek.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20250217154836.108895-11-angelogioacchino.delregno@collabora.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This commit is contained in:
AngeloGioacchino Del Regno 2025-02-17 16:48:03 +01:00 committed by Chun-Kuang Hu
parent 473c33f5ce
commit 48bfb13cc8
3 changed files with 22 additions and 0 deletions
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19
drivers/gpu/drm/mediatek/mtk_dpi.c
View File

@ -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);

1
drivers/gpu/drm/mediatek/mtk_dpi_regs.h
View File

@ -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)

2
drivers/gpu/drm/mediatek/mtk_drm_drv.c
View File

@ -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",