Em Sat, 27 Jul 2024 14:51:56 +0200 Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> escreveu: > Using clamp_t() instead of min_t(max_t()) is easier to read. > > It also reduces the size of the preprocessed files by ~ 193 ko. > (see [1] for a discussion about it) > > $ ls -l ia_css_eed1_8.host*.i > 4829993 27 juil. 14:36 ia_css_eed1_8.host.old.i > 4636649 27 juil. 14:42 ia_css_eed1_8.host.new.i > > [1]: https://lore.kernel.org/all/23bdb6fc8d884ceebeb6e8b8653b8cfe@xxxxxxxxxxxxxxxx/ > > Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> > --- > .../isp/kernels/eed1_8/ia_css_eed1_8.host.c | 24 +++++++++---------- > 1 file changed, 12 insertions(+), 12 deletions(-) > > diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/eed1_8/ia_css_eed1_8.host.c b/drivers/staging/media/atomisp/pci/isp/kernels/eed1_8/ia_css_eed1_8.host.c > index e4fc90f88e24..96c13ebc4331 100644 > --- a/drivers/staging/media/atomisp/pci/isp/kernels/eed1_8/ia_css_eed1_8.host.c > +++ b/drivers/staging/media/atomisp/pci/isp/kernels/eed1_8/ia_css_eed1_8.host.c > @@ -172,25 +172,25 @@ ia_css_eed1_8_vmem_encode( > base = shuffle_block * i; > > for (j = 0; j < IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS; j++) { > - to->e_dew_enh_x[0][base + j] = min_t(int, max_t(int, > - from->dew_enhance_seg_x[j], 0), > - 8191); > - to->e_dew_enh_y[0][base + j] = min_t(int, max_t(int, > - from->dew_enhance_seg_y[j], -8192), > - 8191); > + to->e_dew_enh_x[0][base + j] = clamp_t(int, > + from->dew_enhance_seg_x[j], > + 0, 8191); > + to->e_dew_enh_y[0][base + j] = clamp_t(int, > + from->dew_enhance_seg_y[j], > + -8192, 8191); Such change introduces two warnings on smatch: drivers/staging/media/atomisp/pci/isp/kernels/eed1_8/ia_css_eed1_8.host.c: drivers/staging/media/atomisp/pci/isp/kernels/eed1_8/ia_css_eed1_8.host.c:177 ia_css_eed1_8_vmem_encode() warn: assigning (-8192) to unsigned variable 'to->e_dew_enh_y[0][base + j]' drivers/staging/media/atomisp/pci/isp/kernels/eed1_8/ia_css_eed1_8.host.c: drivers/staging/media/atomisp/pci/isp/kernels/eed1_8/ia_css_eed1_8.host.c:182 ia_css_eed1_8_vmem_encode() warn: assigning (-8192) to unsigned variable 'to->e_dew_enh_a[0][base + j]' Should dew_enhance_seg_x and dew_enhance_seg_y be converted to signed? Thanks, Mauro
