[PATCH v5 01/13] soc: mediatek: Disable 9-bit alpha in ETHDR
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STALE948d
SUPERSEDED: 1 (1M)
From: Hsiao Chien Sung <hidden>
Date: 2024-02-15 10:11:30
Also in:
dri-devel, linux-mediatek, lkml
Subsystem:
arm/mediatek soc support, the rest · Maintainers:
Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds
Revision v5 of 9 in this series; 1 review trailer (1 from subsystem maintainers).
Revisions (9)
ETHDR 9-bit alpha should be disabled by default, otherwise alpha blending will not work. Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Hsiao Chien Sung <redacted> --- drivers/soc/mediatek/mtk-mmsys.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index afb2c40c85c15..00eff18a3bcea 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c@@ -236,6 +236,7 @@ void mtk_mmsys_mixer_in_config(struct device *dev, int idx, bool alpha_sel, u16 mtk_mmsys_update_bits(mmsys, MT8195_VDO1_MIXER_IN1_ALPHA + (idx - 1) * 4, ~0, alpha << 16 | alpha, cmdq_pkt); + mtk_mmsys_update_bits(mmsys, MT8195_VDO1_HDR_TOP_CFG, BIT(15 + idx), 0, cmdq_pkt); mtk_mmsys_update_bits(mmsys, MT8195_VDO1_HDR_TOP_CFG, BIT(19 + idx), alpha_sel << (19 + idx), cmdq_pkt); mtk_mmsys_update_bits(mmsys, MT8195_VDO1_MIXER_IN1_PAD + (idx - 1) * 4,
--
2.18.0
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