Pick up the necessary part of sp_group configuration for both model and then copy those parts into a tempetory buffer. This buffer is finally written to the ISP with correct length. Signed-off-by: Kate Hsuan <hpa@xxxxxxxxxx> --- .../staging/media/atomisp/pci/sh_css_params.c | 41 ++++++++++++++++++- 1 file changed, 39 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/sh_css_params.c b/drivers/staging/media/atomisp/pci/sh_css_params.c index 588f2adab058..22a9fed006f6 100644 --- a/drivers/staging/media/atomisp/pci/sh_css_params.c +++ b/drivers/staging/media/atomisp/pci/sh_css_params.c @@ -3720,10 +3720,47 @@ struct ia_css_shading_table *ia_css_get_shading_table(struct ia_css_stream ia_css_ptr sh_css_store_sp_group_to_ddr(void) { + u8 *write_buf; + u8 *buf_ptr; + IA_CSS_ENTER_LEAVE_PRIVATE("void"); + + write_buf = kzalloc(sizeof(struct sh_css_sp_group), GFP_KERNEL); + if (!write_buf) + return 0; + + buf_ptr = write_buf; + if (IS_ISP2401) { + memcpy(buf_ptr, &sh_css_sp_group.config, 3); + buf_ptr += 3; + memcpy(buf_ptr, &sh_css_sp_group.config.enable_isys_event_queue, 2); + buf_ptr += 2; + memset(buf_ptr, 0, 3); + buf_ptr += 3; /* Padding 3 bytes for struct sh_css_sp_config*/ + } else { + memcpy(buf_ptr, &sh_css_sp_group.config, sizeof(sh_css_sp_group.config)); + buf_ptr += sizeof(sh_css_sp_group.config); + } + + memcpy(buf_ptr, &sh_css_sp_group.pipe, sizeof(sh_css_sp_group.pipe)); + buf_ptr += sizeof(sh_css_sp_group.pipe); + + if (IS_ISP2401) { + memcpy(buf_ptr, &sh_css_sp_group.pipe_io, sizeof(sh_css_sp_group.pipe_io)); + buf_ptr += sizeof(sh_css_sp_group.pipe_io); + memcpy(buf_ptr, &sh_css_sp_group.pipe_io_status, + sizeof(sh_css_sp_group.pipe_io_status)); + buf_ptr += sizeof(sh_css_sp_group.pipe_io_status); + } + + memcpy(buf_ptr, &sh_css_sp_group.debug, sizeof(sh_css_sp_group.debug)); + buf_ptr += sizeof(sh_css_sp_group.debug); + hmm_store(xmem_sp_group_ptrs, - &sh_css_sp_group, - sizeof(struct sh_css_sp_group)); + write_buf, + buf_ptr - write_buf); + + kfree(write_buf); return xmem_sp_group_ptrs; } -- 2.40.1