Hi Jonas, On Wed, 2020-07-01 at 21:56 +0000, Jonas Karlman wrote: > Use bytesperline and buffer height to calculate the strides configured. > > This does not really change anything other than ensuring the bytesperline > that is signaled to userspace matches was is configured in HW. > Are you seeing any issue due to this? > Signed-off-by: Jonas Karlman <jonas@xxxxxxxxx> > --- > drivers/staging/media/rkvdec/rkvdec-h264.c | 27 +++++++++++++--------- > 1 file changed, 16 insertions(+), 11 deletions(-) > > diff --git a/drivers/staging/media/rkvdec/rkvdec-h264.c b/drivers/staging/media/rkvdec/rkvdec-h264.c > index 9c8e49642cd9..1cb6af590138 100644 > --- a/drivers/staging/media/rkvdec/rkvdec-h264.c > +++ b/drivers/staging/media/rkvdec/rkvdec-h264.c > @@ -891,10 +891,11 @@ static void config_registers(struct rkvdec_ctx *ctx, > dma_addr_t rlc_addr; > dma_addr_t refer_addr; > u32 rlc_len; > - u32 hor_virstride = 0; > - u32 ver_virstride = 0; > - u32 y_virstride = 0; > - u32 yuv_virstride = 0; > + u32 hor_virstride; > + u32 ver_virstride; > + u32 y_virstride; > + u32 uv_virstride; > + u32 yuv_virstride; > u32 offset; > dma_addr_t dst_addr; > u32 reg, i; > @@ -904,16 +905,20 @@ static void config_registers(struct rkvdec_ctx *ctx, > > f = &ctx->decoded_fmt; > dst_fmt = &f->fmt.pix_mp; > - hor_virstride = (sps->bit_depth_luma_minus8 + 8) * dst_fmt->width / 8; > - ver_virstride = round_up(dst_fmt->height, 16); > + hor_virstride = dst_fmt->plane_fmt[0].bytesperline; > + ver_virstride = dst_fmt->height; > y_virstride = hor_virstride * ver_virstride; > So far so good. > - if (sps->chroma_format_idc == 0) > - yuv_virstride = y_virstride; > - else if (sps->chroma_format_idc == 1) > - yuv_virstride += y_virstride + y_virstride / 2; > + if (sps->chroma_format_idc == 1) > + uv_virstride = y_virstride / 2; > else if (sps->chroma_format_idc == 2) > - yuv_virstride += 2 * y_virstride; > + uv_virstride = y_virstride; > + else if (sps->chroma_format_idc == 3) > + uv_virstride = 2 * y_virstride; > + else > + uv_virstride = 0; > + > + yuv_virstride = y_virstride + uv_virstride; > Is the chunk above related to the patch, or mostly cleaning/improving the code? Thanks, Ezequiel > reg = RKVDEC_Y_HOR_VIRSTRIDE(hor_virstride / 16) | > RKVDEC_UV_HOR_VIRSTRIDE(hor_virstride / 16) |