From 7c145d68717d2b1ee522f2709a1964fd9370da67 Mon Sep 17 00:00:00 2001 From: Nick Hollinghurst Date: Mon, 29 Apr 2024 14:54:49 +0100 Subject: [PATCH 1074/1085] drm: rp1: dpi: Add support for MEDIA_BUS_FMT_RGB565_1X24_CPADHI This new format corresponds to the Raspberry Pi legacy DPI mode 3. Signed-off-by: Nick Hollinghurst --- drivers/gpu/drm/rp1/rp1-dpi/rp1_dpi_hw.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/rp1/rp1-dpi/rp1_dpi_hw.c +++ b/drivers/gpu/drm/rp1/rp1-dpi/rp1_dpi_hw.c @@ -319,8 +319,14 @@ static u32 set_output_format(u32 bus_for *shift |= OSHIFT_RGB(29, 19, 9); return OMASK_RGB(0x3fc, 0x3fc, 0x3fc); + case MEDIA_BUS_FMT_RGB565_1X24_CPADHI: + /* This should match Raspberry Pi legacy "mode 3" */ + *shift |= OSHIFT_RGB(26, 17, 6); + *rgbsz &= DPI_DMA_RGBSZ_BPP_MASK; + return OMASK_RGB(0x3e0, 0x3f0, 0x3e0); + default: - /* RGB666_1x24_CPADHI, BGR666_1X24_CPADHI and "RGB565_666" formats */ + /* RGB666_1x24_CPADHI, BGR666_1X24_CPADHI and "mode 4" formats */ *shift |= OSHIFT_RGB(27, 17, 7); *rgbsz &= DPI_DMA_RGBSZ_BPP_MASK; return OMASK_RGB(0x3f0, 0x3f0, 0x3f0);