Re: [Intel-gfx] [PATCH] drm/i915/edp/jsl: Update vswing table for HBR and HBR2

["Surendrakumar Upadhyay, TejaskumarX" <tejaskumarx.surendrakumar.upadhyay@intel.com>]

Sent new version https://patchwork.freedesktop.org/patch/395898/ .

Thanks,
Tejas

> -----Original Message-----
> From: Souza, Jose <jose.souza@intel.com>
> Sent: 19 October 2020 23:45
> To: Surendrakumar Upadhyay, TejaskumarX
> <tejaskumarx.surendrakumar.upadhyay@intel.com>; intel-
> gfx@lists.freedesktop.org
> Subject: Re: [PATCH] drm/i915/edp/jsl: Update vswing table for HBR and
> HBR2
> 
> Yes
> 
> On Mon, 2020-10-19 at 18:13 +0000, Surendrakumar Upadhyay, TejaskumarX
> wrote:
> > Hi Jose,
> >
> > root@tejas-System-Product-Name:/home/tejas/all-external/drm-tip# ./dim
> > checkpatch
> > a11736f058e7 (HEAD -> latest) drm/i915/edp/jsl: Update vswing table
> > for HBR and HBR2
> > -:58: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open
> > parenthesis
> > #58: FILE: drivers/gpu/drm/i915/display/intel_ddi.c:1195:
> > +jsl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder,
> > +                           const struct intel_crtc_state *crtc_state,
> >
> > -:67: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open
> > parenthesis
> > #67: FILE: drivers/gpu/drm/i915/display/intel_ddi.c:1204:
> > +jsl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
> > +                         const struct intel_crtc_state *crtc_state,
> >
> > -:76: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open
> > parenthesis
> > #76: FILE: drivers/gpu/drm/i915/display/intel_ddi.c:1213:
> > +jsl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
> > +                          const struct intel_crtc_state *crtc_state,
> >
> > -:85: WARNING:UNNECESSARY_ELSE: else is not generally useful after a
> > break or return
> > #85: FILE: drivers/gpu/drm/i915/display/intel_ddi.c:1222:
> > +                       return jsl_combo_phy_ddi_translations_edp_hbr2;
> > +               } else {
> >
> > -:96: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open
> > parenthesis
> > #96: FILE: drivers/gpu/drm/i915/display/intel_ddi.c:1233:
> > +jsl_get_combo_buf_trans(struct intel_encoder *encoder,
> > +                      const struct intel_crtc_state *crtc_state,
> >
> > total: 0 errors, 1 warnings, 4 checks, 111 lines checked
> >
> > I see 1 warnings and 4 checks. Do you want me to solve those 4 checks?
> And this 1 warning is same that I was getting using ./scripts/checkpatch.pl
> and that is present in previous code as well thus fixing that will break
> uniformity.
> >
> > Please advise.
> >
> > Thanks,
> > Tejas
> >
> > > -----Original Message-----
> > > From: Souza, Jose <jose.souza@intel.com>
> > > Sent: 19 October 2020 22:40
> > > To: Surendrakumar Upadhyay, TejaskumarX
> > > <tejaskumarx.surendrakumar.upadhyay@intel.com>; intel-
> > > gfx@lists.freedesktop.org
> > > Subject: Re: [PATCH] drm/i915/edp/jsl: Update vswing table for HBR
> > > and
> > > HBR2
> > >
> > > I don't think that checkpatch.pl has all the style rules that we follow in
> drm.
> > > Check the output of "✗ Fi.CI.CHECKPATCH: warning for drm/i915/edp/jsl:
> > > Update vswing table for HBR and HBR2 (rev2)" there more style errors
> > > than that.
> > >
> > > On Mon, 2020-10-19 at 11:08 +0000, Surendrakumar Upadhyay,
> > > TejaskumarX
> > > wrote:
> > > > Hi Jose,
> > > >
> > > > I use scripts/checkpatch.pl. And it has reported me following :
> > > >
> > > > drm-tip# ./scripts/checkpatch.pl
> > > > 0001-drm-i915-edp-jsl-Update-vswing-table-for-HBR-and-HBR.patch
> > > > WARNING: else is not generally useful after a break or return
> > > > #88: FILE: drivers/gpu/drm/i915/display/intel_ddi.c:1222:
> > > > +                       return jsl_combo_phy_ddi_translations_edp_hbr2;
> > > > +               } else {
> > > >
> > > > total: 0 errors, 1 warnings, 111 lines checked
> > > >
> > > > I have got 1 warning, which is because I have tried to maintain
> > > > same format
> > > which is there in other similar functions in intel_ddi.c. If I will
> > > change to resolve this warning, everything else also needs similar change
> as applicable.
> > > >
> > > > Please let me know how you want me to proceed.
> > > >
> > > > Thanks,
> > > > Tejas
> > > >
> > > > > -----Original Message-----
> > > > > From: Souza, Jose <jose.souza@intel.com>
> > > > > Sent: 17 October 2020 02:11
> > > > > To: Surendrakumar Upadhyay, TejaskumarX
> > > > > <tejaskumarx.surendrakumar.upadhyay@intel.com>; dri-
> > > > > devel@lists.freedesktop.org; intel-gfx@lists.freedesktop.org
> > > > > Subject: Re: [PATCH] drm/i915/edp/jsl: Update vswing table for
> > > > > HBR and
> > > > > HBR2
> > > > >
> > > > > Please fix the checkpatch errors, you can run it locally by
> > > > > running "dim checkpatch drm-tip/drm-tip..HEAD", search for
> > > > > instructions of how to fetch and setup dim.
> > > > >
> > > > > Also no need to CC drm-devel for patches that only touches i915,
> > > > > drm-devel is for drivers that don't have it's own list and for
> > > > > changes in drm subsystem that affects all other drm based drivers.
> > > > >
> > > > > On Wed, 2020-10-14 at 20:29 +0530, Tejas Upadhyay wrote:
> > > > > > JSL has update in vswing table for eDP.
> > > > > >
> > > > > > BSpec: 21257
> > > > > >
> > > > > > Cc: Souza Jose <jose.souza@intel.com>
> > > > > > Signed-off-by: Tejas Upadhyay
> > > > > > <tejaskumarx.surendrakumar.upadhyay@intel.com>
> > > > > > ---
> > > > > >  drivers/gpu/drm/i915/display/intel_ddi.c | 87
> > > > > > +++++++++++++++++++++++-
> > > > > >  1 file changed, 85 insertions(+), 2 deletions(-)
> > > > > >
> > > > > > diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c
> > > > > > b/drivers/gpu/drm/i915/display/intel_ddi.c
> > > > > > index bb0b9930958f..7ab694c6d8df 100644
> > > > > > --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> > > > > > +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> > > > > > @@ -582,6 +582,34 @@ static const struct cnl_ddi_buf_trans
> > > > > ehl_combo_phy_ddi_translations_dp[] = {
> > > > > >  { 0x6, 0x7F, 0x3F, 0x00, 0x00 },/* 900   900      0.0   */
> > > > > >  };
> > > > > >
> > > > > >
> > > > > > +static const struct cnl_ddi_buf_trans
> > > > > jsl_combo_phy_ddi_translations_edp_hbr[] = {
> > > > > > +/* NT mV Trans mV db    */
> > > > > > +{ 0x8, 0x7F, 0x3F, 0x00, 0x00 },        /* 200   200      0.0   */
> > > > > > +{ 0x8, 0x7F, 0x38, 0x00, 0x07 },        /* 200   250      1.9   */
> > > > > > +{ 0x1, 0x7F, 0x33, 0x00, 0x0C },        /* 200   300      3.5   */
> > > > > > +{ 0xA, 0x35, 0x36, 0x00, 0x09 },        /* 200   350      4.9   */
> > > > > > +{ 0x8, 0x7F, 0x3F, 0x00, 0x00 },        /* 250   250      0.0   */
> > > > > > +{ 0x1, 0x7F, 0x38, 0x00, 0x07 },        /* 250   300      1.6   */
> > > > > > +{ 0xA, 0x35, 0x35, 0x00, 0x0A },        /* 250   350      2.9   */
> > > > > > +{ 0x1, 0x7F, 0x3F, 0x00, 0x00 },        /* 300   300      0.0   */
> > > > > > +{ 0xA, 0x35, 0x38, 0x00, 0x07 },        /* 300   350      1.3   */
> > > > > > +{ 0xA, 0x35, 0x3F, 0x00, 0x00 },        /* 350   350      0.0   */
> > > > > > +};
> > > > > > +
> > > > > > +static const struct cnl_ddi_buf_trans
> > > > > jsl_combo_phy_ddi_translations_edp_hbr2[] = {
> > > > > > +/* NT mV Trans mV db    */
> > > > > > +{ 0x8, 0x7F, 0x3F, 0x00, 0x00 },        /* 200   200      0.0   */
> > > > > > +{ 0x8, 0x7F, 0x3F, 0x00, 0x00 },        /* 200   250      1.9   */
> > > > > > +{ 0x1, 0x7F, 0x3D, 0x00, 0x02 },        /* 200   300      3.5   */
> > > > > > +{ 0xA, 0x35, 0x38, 0x00, 0x07 },        /* 200   350      4.9   */
> > > > > > +{ 0x8, 0x7F, 0x3F, 0x00, 0x00 },        /* 250   250      0.0   */
> > > > > > +{ 0x1, 0x7F, 0x3F, 0x00, 0x00 },        /* 250   300      1.6   */
> > > > > > +{ 0xA, 0x35, 0x3A, 0x00, 0x05 },        /* 250   350      2.9   */
> > > > > > +{ 0x1, 0x7F, 0x3F, 0x00, 0x00 },        /* 300   300      0.0   */
> > > > > > +{ 0xA, 0x35, 0x38, 0x00, 0x07 },        /* 300   350      1.3   */
> > > > > > +{ 0xA, 0x35, 0x3F, 0x00, 0x00 },        /* 350   350      0.0   */
> > > > > > +};
> > > > > > +
> > > > > >  struct icl_mg_phy_ddi_buf_trans {
> > > > > >  u32 cri_txdeemph_override_11_6;
> > > > > >  u32 cri_txdeemph_override_5_0; @@ -1162,6 +1190,57 @@
> > > > > > ehl_get_combo_buf_trans(struct intel_encoder *encoder,  return
> > > > > > ehl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);  }
> > > > > >
> > > > > >
> > > > > > +static const struct cnl_ddi_buf_trans *
> > > > > > +jsl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder,
> > > > > > +    const struct intel_crtc_state *crtc_state,
> > > > > > +    int *n_entries)
> > > > > > +{
> > > > > > +*n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi);
> > > > > > +return icl_combo_phy_ddi_translations_hdmi;
> > > > > > +}
> > > > > > +
> > > > > > +static const struct cnl_ddi_buf_trans *
> > > > > > +jsl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
> > > > > > +  const struct intel_crtc_state *crtc_state,
> > > > > > +  int *n_entries)
> > > > > > +{
> > > > > > +*n_entries =
> > > > > > +ARRAY_SIZE(icl_combo_phy_ddi_translations_dp_hbr2);
> > > > > > +return icl_combo_phy_ddi_translations_dp_hbr2;
> > > > > > +}
> > > > > > +
> > > > > > +static const struct cnl_ddi_buf_trans *
> > > > > > +jsl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
> > > > > > +   const struct intel_crtc_state *crtc_state,
> > > > > > +   int *n_entries)
> > > > > > +{
> > > > > > +struct drm_i915_private *dev_priv =
> > > > > > +to_i915(encoder->base.dev);
> > > > > > +
> > > > > > +if (dev_priv->vbt.edp.low_vswing) { if
> > > > > > +(crtc_state->port_clock >
> > > > > > +270000) { *n_entries =
> > > > > > +ARRAY_SIZE(jsl_combo_phy_ddi_translations_edp_hbr2);
> > > > > > +return jsl_combo_phy_ddi_translations_edp_hbr2;
> > > > > > +} else {
> > > > > > +*n_entries =
> > > > > > +ARRAY_SIZE(jsl_combo_phy_ddi_translations_edp_hbr);
> > > > > > +return jsl_combo_phy_ddi_translations_edp_hbr;
> > > > > > +}
> > > > > > +}
> > > > > > +
> > > > > > +return jsl_get_combo_buf_trans_dp(encoder, crtc_state,
> > > > > > +n_entries); }
> > > > > > +
> > > > > > +static const struct cnl_ddi_buf_trans *
> > > > > > +jsl_get_combo_buf_trans(struct intel_encoder *encoder,
> > > > > > +       const struct intel_crtc_state *crtc_state,
> > > > > > +       int *n_entries)
> > > > > > +{
> > > > > > +if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
> > > > > > +return jsl_get_combo_buf_trans_hdmi(encoder, crtc_state,
> > > > > > +n_entries); else if (intel_crtc_has_type(crtc_state,
> > > > > > +INTEL_OUTPUT_EDP)) return
> > > > > > +jsl_get_combo_buf_trans_edp(encoder, crtc_state, n_entries);
> > > > > > +else return jsl_get_combo_buf_trans_dp(encoder,
> > > > > > +crtc_state, n_entries); }
> > > > > > +
> > > > > >  static const struct cnl_ddi_buf_trans *
> > > > > > tgl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder,
> > > > > >       const struct intel_crtc_state *crtc_state, @@ -2363,7
> > > > > > +2442,9 @@ static u8 intel_ddi_dp_voltage_max(struct intel_dp
> > > > > > *intel_dp,  else tgl_get_dkl_buf_trans(encoder, crtc_state,
> > > > > > &n_entries);  } else if
> > > > > > (INTEL_GEN(dev_priv) == 11) { -if (IS_JSL_EHL(dev_priv))
> > > > > > +if (IS_PLATFORM(dev_priv, INTEL_JASPERLAKE))
> > > > > > +jsl_get_combo_buf_trans(encoder, crtc_state, &n_entries);
> > > > > > +else if (IS_PLATFORM(dev_priv, INTEL_ELKHARTLAKE))
> > > > > >  ehl_get_combo_buf_trans(encoder, crtc_state, &n_entries);
> > > > > > else if (intel_phy_is_combo(dev_priv, phy))
> > > > > > icl_get_combo_buf_trans(encoder, crtc_state, &n_entries); @@
> > > > > > -2544,7 +2625,9 @@ static void
> > > > > > icl_ddi_combo_vswing_program(struct
> > > > > > intel_encoder *encoder,
> > > > > >
> > > > > >
> > > > > >  if (INTEL_GEN(dev_priv) >= 12)  ddi_translations =
> > > > > > tgl_get_combo_buf_trans(encoder, crtc_state, &n_entries);
> > > > > > -else if (IS_JSL_EHL(dev_priv))
> > > > > > +else if (IS_PLATFORM(dev_priv, INTEL_JASPERLAKE))
> > > > > > +ddi_translations = jsl_get_combo_buf_trans(encoder,
> > > > > > +crtc_state, &n_entries); else if (IS_PLATFORM(dev_priv,
> > > > > > +INTEL_ELKHARTLAKE))
> > > > > >  ddi_translations = ehl_get_combo_buf_trans(encoder,
> > > > > > crtc_state, &n_entries);  else  ddi_translations =
> > > > > > icl_get_combo_buf_trans(encoder, crtc_state, &n_entries);
> > > > >
> > > >
> > >
> >
> 

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