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@xxxxxxxxxxxx> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> --- drivers/gpu/drm/mediatek/mtk_dpi.c | 7 +++++++ drivers/gpu/drm/mediatek/mtk_dpi_regs.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index da7b2c72881b..a1dcb3089c3a 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -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; @@ -589,6 +592,10 @@ 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; diff --git a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h index 9ce300313f3e..305066577d41 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h +++ b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h @@ -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 -- 2.18.0