HI ,
we are use imx8qxp ,when I use lvds show logo,the picture can show ,but have some error msg,follow:
[ 9.715977] imx8-prg 56070000.prg: unsupported crop line 720 for modifier 0x0000000000000000
[ 9.785750] imx8-prg 56070000.prg: unsupported crop line 720 for modifier 0x0000000000000000
[ 9.851739] imx8-prg 56070000.prg: unsupported crop line 720 for modifier 0x0000000000000000
[ 9.917742] imx8-prg 56070000.prg: unsupported crop line 720 for modifier 0x0000000000000000
[ 9.983571] imx8-prg 56070000.prg: unsupported crop line 720 for modifier 0x0000000000000000
[ 10.049798] imx8-prg 56070000.prg: unsupported crop line 720 for modifier 0x0000000000000000
[ 10.116146] imx8-prg 56070000.prg: unsupported crop line 720 for modifier 0x0000000000000000
I found it print in drivers/gpu/imx/imx8_dprc.c
void prg_configure(struct prg *prg, unsigned int width, unsigned int height,
unsigned int x_offset, unsigned int y_offset,
unsigned int stride, unsigned int bits_per_pixel,
unsigned long baddr, u32 format, u64 modifier,
bool start)
{
...............
if (y_offset >
((format == DRM_FORMAT_NV21 || format == DRM_FORMAT_NV12) ?
(PRG_HANDSHAKE_8LINES - 1) : (PRG_HANDSHAKE_4LINES - 1))) {
dev_err(prg->dev,
"unsupported crop line %d for modifier 0x%016llx\n",
y_offset, modifier);
return;
}
.......
}
BSP Version: body#
imx_4.9.51_8qxp_beta
why have this errr msg?
TKS
