drm/mediatek: Add MT8195 ovl driver support

MT8195 ovl driver is similar to MT8183 ovl driver but support
AFBC buffer format.

Signed-off-by: Justin Green <greenjustin@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20221116193335.36320-1-greenjustin@google.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 5a60c3b504ff90e18f30d7483b04c6a64e074540..84daeaffab6a745f2521bd40a01d9c40170d615a 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -534,6 +534,15 @@ static const struct mtk_disp_ovl_data mt8192_ovl_2l_driver_data = {
        .smi_id_en = true,
 };
 
+static const struct mtk_disp_ovl_data mt8195_ovl_driver_data = {
+       .addr = DISP_REG_OVL_ADDR_MT8173,
+       .gmc_bits = 10,
+       .layer_nr = 4,
+       .fmt_rgb565_is_0 = true,
+       .smi_id_en = true,
+       .supports_afbc = true,
+};
+
 static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = {
        { .compatible = "mediatek,mt2701-disp-ovl",
          .data = &mt2701_ovl_driver_data},
@@ -547,6 +556,8 @@ static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = {
          .data = &mt8192_ovl_driver_data},
        { .compatible = "mediatek,mt8192-disp-ovl-2l",
          .data = &mt8192_ovl_2l_driver_data},
+       { .compatible = "mediatek,mt8195-disp-ovl",
+         .data = &mt8195_ovl_driver_data},
        {},
 };
 MODULE_DEVICE_TABLE(of, mtk_disp_ovl_driver_dt_match);