disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h
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@@ -1,13 +1,5 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 and
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- * only version 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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 #ifndef _DPU_HW_PINGPONG_H
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@@ -17,6 +9,8 @@
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 #include "dpu_hw_mdss.h"
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 #include "dpu_hw_util.h"
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 #include "dpu_hw_blk.h"
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+
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+#define DITHER_MATRIX_SZ 16
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 struct dpu_hw_pingpong;
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@@ -40,6 +34,26 @@
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 	u32 rd_ptr_frame_count;	/* num frames sent since enabling interface */
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 	u32 rd_ptr_line_count;	/* current line on panel (rd ptr) */
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 	u32 wr_ptr_line_count;	/* current line within pp fifo (wr ptr) */
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+};
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+
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+/**
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+ * struct dpu_hw_dither_cfg - dither feature structure
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+ * @flags: for customizing operations
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+ * @temporal_en: temperal dither enable
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+ * @c0_bitdepth: c0 component bit depth
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+ * @c1_bitdepth: c1 component bit depth
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+ * @c2_bitdepth: c2 component bit depth
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+ * @c3_bitdepth: c2 component bit depth
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+ * @matrix: dither strength matrix
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+ */
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+struct dpu_hw_dither_cfg {
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+	u64 flags;
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+	u32 temporal_en;
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+	u32 c0_bitdepth;
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+	u32 c1_bitdepth;
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+	u32 c2_bitdepth;
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+	u32 c3_bitdepth;
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+	u32 matrix[DITHER_MATRIX_SZ];
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 };
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 /**
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@@ -90,6 +104,12 @@
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 	 * Obtain current vertical line counter
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 	 */
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 	u32 (*get_line_count)(struct dpu_hw_pingpong *pp);
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+
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+	/**
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+	 * Setup dither matix for pingpong block
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+	 */
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+	void (*setup_dither)(struct dpu_hw_pingpong *pp,
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+			struct dpu_hw_dither_cfg *cfg);
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 };
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 struct dpu_hw_pingpong {
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@@ -105,7 +125,7 @@
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 };
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 /**
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- * dpu_hw_pingpong - convert base object dpu_hw_base to container
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+ * to_dpu_hw_pingpong - convert base object dpu_hw_base to container
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  * @hw: Pointer to base hardware block
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  * return: Pointer to hardware block container
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  */
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@@ -124,7 +144,7 @@
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  */
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 struct dpu_hw_pingpong *dpu_hw_pingpong_init(enum dpu_pingpong idx,
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 		void __iomem *addr,
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-		struct dpu_mdss_cfg *m);
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+		const struct dpu_mdss_cfg *m);
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 /**
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  * dpu_hw_pingpong_destroy - destroys pingpong driver context