From: "Pandiyan, Dhinakaran" <dhinakaran.pandiyan@intel.com>
To: "mka@chromium.org" <mka@chromium.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"intel-gfx@lists.freedesktop.org"
<intel-gfx@lists.freedesktop.org>,
"grundler@chromium.org" <grundler@chromium.org>,
"Taylor, Clinton A" <clinton.a.taylor@intel.com>,
"Vetter, Daniel" <daniel.vetter@intel.com>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"airlied@linux.ie" <airlied@linux.ie>,
"stephane.marchesin@gmail.com" <stephane.marchesin@gmail.com>,
"Vivi, Rodrigo" <rodrigo.vivi@intel.com>
Subject: Re: [Intel-gfx] [PATCH] drm/i915: Return correct EDP voltage swing table for 0.85V
Date: Mon, 17 Jul 2017 20:59:18 +0000 [thread overview]
Message-ID: <1500326360.18069.12.camel@dk-H97M-D3H> (raw)
In-Reply-To: <1500318919.18069.5.camel@dk-H97M-D3H>
On Mon, 2017-07-17 at 18:55 +0000, Pandiyan, Dhinakaran wrote:
> Looks like a typo in
>
> cf54ca8 ("drm/i915/cnl: Implement voltage swing sequence.")
>
> but Cc'ing Rodrigo, Clint to make sure this wasn't a workaround.
>
> -DK
Checked with Clint, this wasn't a workaround, a typo indeed.
> On Mon, 2017-07-17 at 11:21 -0700, Matthias Kaehlcke wrote:
> > For 0.85V cnl_get_buf_trans_edp() returns the DP table, instead of EDP.
> > Use the correct table.
> >
> > The error was pointed out by this clang warning:
> >
> > drivers/gpu/drm/i915/intel_ddi.c:392:39: warning: variable
> > 'cnl_ddi_translations_edp_0_85V' is not needed and will not be emitted
> > [-Wunneeded-internal-declaration]
> > static const struct cnl_ddi_buf_trans cnl_ddi_translations_edp_0_85V[] = {
> >
> > Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> > ---
> > drivers/gpu/drm/i915/intel_ddi.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> > index efb13582dc73..6fa02e6a7a9b 100644
> > --- a/drivers/gpu/drm/i915/intel_ddi.c
> > +++ b/drivers/gpu/drm/i915/intel_ddi.c
> > @@ -1873,7 +1873,7 @@ cnl_get_buf_trans_edp(struct drm_i915_private *dev_priv,
> > if (dev_priv->vbt.edp.low_vswing) {
> > if (voltage == VOLTAGE_INFO_0_85V) {
> > *n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_85V);
> > - return cnl_ddi_translations_dp_0_85V;
> > + return cnl_ddi_translations_edp_0_85V;
> > } else if (voltage == VOLTAGE_INFO_0_95V) {
> > *n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_95V);
> > return cnl_ddi_translations_edp_0_95V;
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2017-07-17 20:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-17 18:21 [PATCH] drm/i915: Return correct EDP voltage swing table for 0.85V Matthias Kaehlcke
2017-07-17 18:55 ` [Intel-gfx] " Pandiyan, Dhinakaran
2017-07-17 20:59 ` Pandiyan, Dhinakaran [this message]
2017-07-17 21:17 ` Manasi Navare
2017-07-17 19:21 ` Manasi Navare
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