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drm/mediatek: dpi: Add input_2pixel config support

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

Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino 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: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This commit is contained in:
Bo-Chen Chen 2022-07-05 18:25:28 +08:00 committed by Chun-Kuang Hu
parent c83da6233d
commit 2587d8951b
2 changed files with 8 additions and 0 deletions
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7
drivers/gpu/drm/mediatek/mtk_dpi.c
View File

@ -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;

1
drivers/gpu/drm/mediatek/mtk_dpi_regs.h
View File

@ -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