On Wed, Oct 31, 2018 at 10:19:15PM +0200, Imre Deak wrote:
> On Wed, Oct 31, 2018 at 01:08:06PM -0700, Rodrigo Vivi wrote:
> > On Wed, Oct 31, 2018 at 10:02:20PM +0200, Imre Deak wrote:
> > > On GEN9 LP (BXT/GLK) DC6 is not supported, so don't print the counter
> > > on those platforms. So far we did this on GLK too.
> > >
> > > Testcase: igt/pm_dc/dc6-dpms
> > > Cc: Jyoti Yadav <jyoti.r.yadav@xxxxxxxxx>
> > > Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> > > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> > > ---
> > > drivers/gpu/drm/i915/i915_debugfs.c | 14 +++++++-------
> > > 1 file changed, 7 insertions(+), 7 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> > > index 041319d48ca3..e11714aa1ca9 100644
> > > --- a/drivers/gpu/drm/i915/i915_debugfs.c
> > > +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> > > @@ -2916,15 +2916,15 @@ static int i915_dmc_info(struct seq_file *m, void *unused)
> > > seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version),
> > > CSR_VERSION_MINOR(csr->version));
> > >
> > > - if (IS_BROXTON(dev_priv)) {
> > > - seq_printf(m, "DC3 -> DC5 count: %d\n",
> > > - I915_READ(BXT_CSR_DC3_DC5_COUNT));
> > > - } else if (IS_GEN(dev_priv, 9, 11)) {
> > > - seq_printf(m, "DC3 -> DC5 count: %d\n",
> > > - I915_READ(SKL_CSR_DC3_DC5_COUNT));
> > > + if (INTEL_GEN(dev_priv) > 11)
> > > + goto out;
now that we have this block, should we add a MISSING_CASE here
to make sure we don't forget this later?
> > > +
> > > + seq_printf(m, "DC3 -> DC5 count: %d\n",
> > > + I915_READ(IS_BROXTON(dev_priv) ? BXT_CSR_DC3_DC5_COUNT :
> > > + SKL_CSR_DC3_DC5_COUNT));
> > > + if (!IS_GEN9_LP(dev_priv))
> > > seq_printf(m, "DC5 -> DC6 count: %d\n",
> > > I915_READ(SKL_CSR_DC5_DC6_COUNT));
> > > - }
> >
> > What about a simple:
> >
> > - } else if (IS_GEN(dev_priv, 9, 11)) {
> > - } else if (IS_GEN(dev_priv, 9, 10) && !IS_GEMINILAKE(dev_priv)) {
>
> You mean
> - } else if (IS_GEN(dev_priv, 9, 11)) {
> + } else if (IS_GEN(dev_priv, 9, 11) && !IS_GEMINILAKE(dev_priv)) {
> ?
>
> That wouldn't print even the DC5 counter on GLK.
nevermind.
with or without the missing case:
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
>
> >
> > >
> > > out:
> > > seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0)));
> > > --
> > > 2.13.2
> > >
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