| Message ID | D5D6254030DBC644B6EE58B333BFBB1E9BC92240@ORSMSX112.amr.corp.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 7/30/2015 10:48 PM, Hindman, Gavin wrote: > This applies to all CHV derivatives, including BSW? > > Gavin Hindman yes, this will apply to all CHV derivatives. > -----Original Message----- > From: Intel-gfx [mailto:intel-gfx-bounces@lists.freedesktop.org] On Behalf Of Sivakumar Thulasimani > Sent: Thursday, July 30, 2015 1:45 AM > To: ville.syrjala@linux.intel.com; intel-gfx@lists.freedesktop.org > Subject: [Intel-gfx] [PATCH] drm/i915: remove intermediate link rate entries for CHV > > From: "Thulasimani,Sivakumar" <sivakumar.thulasimani@intel.com> > > CHV does not support intermediate link rates nor does it support HBR2. This patch removes those entries and returns HBR as the max link rate supported on CHV platform. > > Signed-off-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com> > --- > drivers/gpu/drm/i915/intel_dp.c | 11 +++-------- > 1 file changed, 3 insertions(+), 8 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 898dc74..5c68b17 100644 > --- a/drivers/gpu/drm/i915/intel_dp.c > +++ b/drivers/gpu/drm/i915/intel_dp.c > @@ -95,9 +95,6 @@ static const int bxt_rates[] = { 162000, 216000, 243000, 270000, > 324000, 432000, 540000 }; > static const int skl_rates[] = { 162000, 216000, 270000, > 324000, 432000, 540000 }; > -static const int chv_rates[] = { 162000, 202500, 210000, 216000, > - 243000, 270000, 324000, 405000, > - 420000, 432000, 540000 }; > static const int default_rates[] = { 162000, 270000, 540000 }; > > /** > @@ -1186,15 +1183,13 @@ intel_dp_source_rates(struct drm_device *dev, const int **source_rates) > } else if (IS_SKYLAKE(dev)) { > *source_rates = skl_rates; > return ARRAY_SIZE(skl_rates); > - } else if (IS_CHERRYVIEW(dev)) { > - *source_rates = chv_rates; > - return ARRAY_SIZE(chv_rates); > } > > *source_rates = default_rates; > > - if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) > - /* WaDisableHBR2:skl */ > + /* WaDisableHBR2:skl */ > + if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) || > + IS_CHERRYVIEW(dev)) > return (DP_LINK_BW_2_7 >> 3) + 1; > else if (INTEL_INFO(dev)->gen >= 8 || > (IS_HASWELL(dev) && !IS_HSW_ULX(dev))) > -- > 1.7.9.5 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 898dc74..5c68b17 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -95,9 +95,6 @@ static const int bxt_rates[] = { 162000, 216000, 243000, 270000, 324000, 432000, 540000 }; static const int skl_rates[] = { 162000, 216000, 270000, 324000, 432000, 540000 }; -static const int chv_rates[] = { 162000, 202500, 210000, 216000, - 243000, 270000, 324000, 405000, - 420000, 432000, 540000 }; static const int default_rates[] = { 162000, 270000, 540000 }; /** @@ -1186,15 +1183,13 @@ intel_dp_source_rates(struct drm_device *dev, const int **source_rates) } else if (IS_SKYLAKE(dev)) { *source_rates = skl_rates; return ARRAY_SIZE(skl_rates); - } else if (IS_CHERRYVIEW(dev)) { - *source_rates = chv_rates; - return ARRAY_SIZE(chv_rates); } *source_rates = default_rates; - if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) - /* WaDisableHBR2:skl */ + /* WaDisableHBR2:skl */ + if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) || + IS_CHERRYVIEW(dev)) return (DP_LINK_BW_2_7 >> 3) + 1; else if (INTEL_INFO(dev)->gen >= 8 || (IS_HASWELL(dev) && !IS_HSW_ULX(dev)))