Hi Mauro, Thanks for the fix!
On 10/7/19 4:37 PM, Mauro Carvalho Chehab wrote: > As reported by jenk...@linuxtv.org, the build with i386 fails > with: > > ld: drivers/media/platform/qcom/venus/helpers.o: in function > `venus_helper_load_scale_clocks': > (.text+0x1d77): undefined reference to `__udivdi3' > ld: (.text+0x1dce): undefined reference to `__udivdi3' > make: *** [Makefile:1094: vmlinux] Error 1 > > That's because it divides an u32 bit integer by a u64 one. General question, shouldn't such errors been catch from builder on the pull request? > > Fix it by explicitly callind do_div. > > That's said, why fps is a 64 bits integer? I don't have other explanation than - just to avoid casting after the math in vdec/venc_s_parm() functions. > > Signed-off-by: Mauro Carvalho Chehab <mchehab+sams...@kernel.org> > --- > drivers/media/platform/qcom/venus/helpers.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/platform/qcom/venus/helpers.c > b/drivers/media/platform/qcom/venus/helpers.c > index 5ea5d90f8e5f..09fa87e3c0a0 100644 > --- a/drivers/media/platform/qcom/venus/helpers.c > +++ b/drivers/media/platform/qcom/venus/helpers.c > @@ -522,8 +522,14 @@ static unsigned long calculate_inst_freq(struct > venus_inst *inst, > unsigned long vpp_freq = 0, vsp_freq = 0; > u64 fps = inst->fps; > u32 mbs_per_sec; > + u64 tmp; > + you have extra blank line here. > + > + tmp = load_per_instance(inst); > + do_div(tmp, inst->fps); > + > + mbs_per_sec = (u32)tmp; > > - mbs_per_sec = load_per_instance(inst) / inst->fps; > vpp_freq = mbs_per_sec * inst->clk_data.codec_freq_data->vpp_freq; > /* 21 / 20 is overhead factor */ > vpp_freq += vpp_freq / 20; > I guess this fix should be squashed with the commit which introduce it :( Note taken, always build patches on i386 :/ -- regards, Stan
