Commit 2587d895 authored by Bo-Chen Chen's avatar Bo-Chen Chen Committed by Chun-Kuang Hu
Browse files

drm/mediatek: dpi: Add input_2pixel config support 



The input pixel per iteration could be different, so we add a new config
"input_2pixel" to control this.

Signed-off-by: default avatarBo-Chen Chen <rex-bc.chen@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20220705102530.1344-4-rex-bc.chen@mediatek.com/


Signed-off-by: default avatarChun-Kuang Hu <chunkuang.hu@kernel.org>
parent c83da623

drivers/gpu/drm/mediatek/mtk_dpi.c

+7 −0
Original line number Diff line number Diff line
@@ -124,6 +124,8 @@ struct mtk_dpi_yc_limit { 
 * @is_ck_de_pol: Support CK/DE polarity.

 * @swap_input_support: Support input swap function.

 * @support_direct_pin: IP supports direct connection to dpi panels.

 * @input_2pixel: Input pixel of dp_intf is 2 pixel per round, so enable this

 *		  config to enable this feature.

 * @dimension_mask: Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH

 *		    (no shift).

 * @hvsize_mask: Mask of HSIZE and VSIZE mask (no shift).
@@ -141,6 +143,7 @@ struct mtk_dpi_conf { 
	bool is_ck_de_pol;

	bool swap_input_support;

	bool support_direct_pin;

	bool input_2pixel;

	u32 dimension_mask;

	u32 hvsize_mask;

	u32 channel_swap_shift;
@@ -588,6 +591,10 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi, 
		mtk_dpi_dual_edge(dpi);

		mtk_dpi_config_disable_edge(dpi);

	}

	if (dpi->conf->input_2pixel) {

		mtk_dpi_mask(dpi, DPI_CON, DPINTF_INPUT_2P_EN,

			     DPINTF_INPUT_2P_EN);

	}

	mtk_dpi_sw_reset(dpi, false);



	return 0;

drivers/gpu/drm/mediatek/mtk_dpi_regs.h

+1 −0
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ 
#define FAKE_DE_LEVEN			BIT(21)

#define FAKE_DE_RODD			BIT(22)

#define FAKE_DE_REVEN			BIT(23)

#define DPINTF_INPUT_2P_EN		BIT(29)



#define DPI_OUTPUT_SETTING	0x14

#define CH_SWAP				0