> -----Original Message----- > From: Roper, Matthew D <matthew.d.roper@xxxxxxxxx> > Sent: Thursday, February 10, 2022 10:51 AM > To: Srivatsa, Anusha <anusha.srivatsa@xxxxxxxxx> > Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH] drm/i915/dg1: Update DMC_DEBUG3 register > > On Thu, Feb 10, 2022 at 08:44:30AM -0800, Anusha Srivatsa wrote: > > DMC_DEBUGU3 changes from DG1+ > > This looks to be the same thing as the patch that Chuansheng Liu sent: > > https://patchwork.freedesktop.org/patch/473272/?series=99942&rev=1 Yes it is :-/ He sent the patch before mine. So this is void now. Anusha > > Matt > > > > > Bspec: 49788 > > Signed-off-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx> > > --- > > drivers/gpu/drm/i915/display/intel_display_debugfs.c | 6 ++++-- > > drivers/gpu/drm/i915/i915_reg.h | 1 + > > 2 files changed, 5 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c > > b/drivers/gpu/drm/i915/display/intel_display_debugfs.c > > index f4de004d470f..87fc4b9b7b93 100644 > > --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c > > +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c > > @@ -474,8 +474,10 @@ static int i915_dmc_info(struct seq_file *m, void > *unused) > > * reg for DC3CO debugging and validation, > > * but TGL DMC f/w is using DMC_DEBUG3 reg for DC3CO > counter. > > */ > > - seq_printf(m, "DC3CO count: %d\n", > > - intel_de_read(dev_priv, DMC_DEBUG3)); > > + if (IS_DGFX(dev_priv)) > > + seq_printf(m, "DC3CO count: %d\n", > intel_de_read(dev_priv, DG1_DMC_DEBUG3)); > > + else > > + seq_printf(m, "DC3CO count: %d\n", > intel_de_read(dev_priv, > > +DMC_DEBUG3)); > > } else { > > dc5_reg = IS_BROXTON(dev_priv) ? > BXT_DMC_DC3_DC5_COUNT : > > SKL_DMC_DC3_DC5_COUNT; > > diff --git a/drivers/gpu/drm/i915/i915_reg.h > > b/drivers/gpu/drm/i915/i915_reg.h index 87c92314ee26..802962e3977c > > 100644 > > --- a/drivers/gpu/drm/i915/i915_reg.h > > +++ b/drivers/gpu/drm/i915/i915_reg.h > > @@ -5633,6 +5633,7 @@ > > #define DG1_DMC_DEBUG_DC5_COUNT _MMIO(0x134154) > > > > #define DMC_DEBUG3 _MMIO(0x101090) > > +#define DG1_DMC_DEBUG3 _MMIO(0x13415C) > > > > /* Display Internal Timeout Register */ > > #define RM_TIMEOUT _MMIO(0x42060) > > -- > > 2.25.1 > > > > -- > Matt Roper > Graphics Software Engineer > VTT-OSGC Platform Enablement > Intel Corporation > (916) 356-2795
