Hi Manikandan, On Tue, Jun 13, 2023 at 12:34:20PM +0530, Manikandan Muralidharan wrote: > Add the LCD controller layer definition and descriptor structure for SAM9X7 > for the following layers, > - Base Layer > - Overlay1 Layer > - Overlay2 Layer > - High End Overlay > > Signed-off-by: Manikandan Muralidharan <manikandan.m@xxxxxxxxxxxxx> > --- > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 96 ++++++++++++++++++++ > 1 file changed, 96 insertions(+) > > diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c > index fa0f9a93d50d..d7ad828e9e8c 100644 > --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c > +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c > @@ -462,6 +462,98 @@ static const struct atmel_hlcdc_dc_desc atmel_hlcdc_dc_sam9x60 = { > .layers = atmel_hlcdc_sam9x60_layers, > }; > > +static const struct atmel_hlcdc_layer_desc atmel_xlcdc_sam9x7_layers[] = { > + { > + .name = "base", > + .formats = &atmel_hlcdc_plane_rgb_formats, > + .regs_offset = 0x60, > + .id = 0, > + .type = ATMEL_HLCDC_BASE_LAYER, > + .cfgs_offset = 0x1c, > + .layout = { > + .xstride = { 2 }, > + .default_color = 3, > + .general_config = 4, > + .disc_pos = 5, > + .disc_size = 6, > + }, > + .clut_offset = 0x700, > + }, > + { > + .name = "overlay1", > + .formats = &atmel_hlcdc_plane_rgb_formats, > + .regs_offset = 0x160, > + .id = 1, > + .type = ATMEL_HLCDC_OVERLAY_LAYER, > + .cfgs_offset = 0x1c, > + .layout = { > + .pos = 2, > + .size = 3, > + .xstride = { 4 }, > + .pstride = { 5 }, > + .default_color = 6, > + .chroma_key = 7, > + .chroma_key_mask = 8, > + .general_config = 9, > + }, > + .clut_offset = 0xb00, > + }, > + { > + .name = "overlay2", > + .formats = &atmel_hlcdc_plane_rgb_formats, > + .regs_offset = 0x260, > + .id = 2, > + .type = ATMEL_HLCDC_OVERLAY_LAYER, > + .cfgs_offset = 0x1c, > + .layout = { > + .pos = 2, > + .size = 3, > + .xstride = { 4 }, > + .pstride = { 5 }, > + .default_color = 6, > + .chroma_key = 7, > + .chroma_key_mask = 8, > + .general_config = 9, > + }, > + .clut_offset = 0xf00, > + }, > + { > + .name = "high-end-overlay", > + .formats = &atmel_hlcdc_plane_rgb_and_yuv_formats, > + .regs_offset = 0x360, > + .id = 3, > + .type = ATMEL_HLCDC_OVERLAY_LAYER, > + .cfgs_offset = 0x30, > + .layout = { > + .pos = 2, > + .size = 3, > + .memsize = 4, > + .xstride = { 5, 7 }, > + .pstride = { 6, 8 }, > + .default_color = 9, > + .chroma_key = 10, > + .chroma_key_mask = 11, > + .general_config = 12, > + .csc = 16, > + .scaler_config = 23, > + }, > + .clut_offset = 0x1300, > + }, > +}; > + > +static const struct atmel_hlcdc_dc_desc atmel_xlcdc_dc_sam9x7 = { > + .min_width = 0, > + .min_height = 0, > + .max_width = 2048, > + .max_height = 2048, > + .max_spw = 0xff, > + .max_vpw = 0xff, > + .max_hpw = 0x3ff, > + .fixed_clksrc = true, > + .nlayers = ARRAY_SIZE(atmel_xlcdc_sam9x7_layers), > + .layers = atmel_xlcdc_sam9x7_layers, > +}; As already suggested by someone else, add is_xlcdc to struct atmel_hlcdc_dc_desc, so the check for the compatible can be dropped. It would be better to put it here. Sam