summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>2025-02-17 16:48:03 +0100
committerChun-Kuang Hu <chunkuang.hu@kernel.org>2025-03-02 14:11:09 +0000
commit48bfb13cc8cb231962a48f1505209c2d986bc4de (patch)
tree3e04c831da6261f868053a09fb94a16132eda659
parent473c33f5ce651365468503c76f33158aaa1c7dd2 (diff)
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 <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>
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dpi.c19
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dpi_regs.h1
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_drv.c2
3 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 14364d96f4d7..0fd13e6dd3f1 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 61b276bce70f..23eeefce8fd2 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 f22ad2882697..772c3d0f5d14 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",