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 Matt > > Bspec: 49788 > Signed-off-by: Anusha Srivatsa <[email protected]> > --- > 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
