On Wed, Sep 18, 2024 at 08:13:35PM +0530, Ankit Nautiyal wrote: > We need to add a new sanity checks and also do > some preparations for adding ultrajoiner hw state readout. > Lets first split reading of the uncompressed joiner and bigjoiner > bit masks into separate functions. > > v2: Fixed checkpatch warnings (Ankit) > v3: Use struct intel_display in the new functions. (Ankit) > v4: Use check for bigjoiner before reading the regs. (Ville) > > Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx> > Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx> > Reviewed-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx> Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/display/intel_display.c | 74 +++++++++++++++----- > 1 file changed, 55 insertions(+), 19 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c > index 7cdc12188df9..28447d4c8934 100644 > --- a/drivers/gpu/drm/i915/display/intel_display.c > +++ b/drivers/gpu/drm/i915/display/intel_display.c > @@ -3591,26 +3591,57 @@ static bool transcoder_ddi_func_is_enabled(struct drm_i915_private *dev_priv, > return tmp & TRANS_DDI_FUNC_ENABLE; > } > > -static void enabled_joiner_pipes(struct drm_i915_private *dev_priv, > - u8 *primary_pipes, u8 *secondary_pipes) > +static void enabled_uncompressed_joiner_pipes(struct intel_display *display, > + u8 *primary_pipes, u8 *secondary_pipes) > { > + struct drm_i915_private *i915 = to_i915(display->drm); > struct intel_crtc *crtc; > > *primary_pipes = 0; > *secondary_pipes = 0; > > - if (!HAS_BIGJOINER(dev_priv)) > + if (!HAS_UNCOMPRESSED_JOINER(display)) > return; > > - for_each_intel_crtc_in_pipe_mask(&dev_priv->drm, crtc, > - joiner_pipes(dev_priv)) { > + for_each_intel_crtc_in_pipe_mask(&i915->drm, crtc, > + joiner_pipes(i915)) { > enum intel_display_power_domain power_domain; > enum pipe pipe = crtc->pipe; > intel_wakeref_t wakeref; > > - power_domain = intel_dsc_power_domain(crtc, (enum transcoder) pipe); > - with_intel_display_power_if_enabled(dev_priv, power_domain, wakeref) { > - u32 tmp = intel_de_read(dev_priv, ICL_PIPE_DSS_CTL1(pipe)); > + power_domain = POWER_DOMAIN_PIPE(pipe); > + with_intel_display_power_if_enabled(i915, power_domain, wakeref) { > + u32 tmp = intel_de_read(display, ICL_PIPE_DSS_CTL1(pipe)); > + > + if (tmp & UNCOMPRESSED_JOINER_PRIMARY) > + *primary_pipes |= BIT(pipe); > + if (tmp & UNCOMPRESSED_JOINER_SECONDARY) > + *secondary_pipes |= BIT(pipe); > + } > + } > +} > + > +static void enabled_bigjoiner_pipes(struct intel_display *display, > + u8 *primary_pipes, u8 *secondary_pipes) > +{ > + struct drm_i915_private *i915 = to_i915(display->drm); > + struct intel_crtc *crtc; > + > + *primary_pipes = 0; > + *secondary_pipes = 0; > + > + if (!HAS_BIGJOINER(display)) > + return; > + > + for_each_intel_crtc_in_pipe_mask(&i915->drm, crtc, > + joiner_pipes(i915)) { > + enum intel_display_power_domain power_domain; > + enum pipe pipe = crtc->pipe; > + intel_wakeref_t wakeref; > + > + power_domain = intel_dsc_power_domain(crtc, (enum transcoder)pipe); > + with_intel_display_power_if_enabled(i915, power_domain, wakeref) { > + u32 tmp = intel_de_read(display, ICL_PIPE_DSS_CTL1(pipe)); > > if (!(tmp & BIG_JOINER_ENABLE)) > continue; > @@ -3620,20 +3651,25 @@ static void enabled_joiner_pipes(struct drm_i915_private *dev_priv, > else > *secondary_pipes |= BIT(pipe); > } > + } > +} > > - if (!HAS_UNCOMPRESSED_JOINER(dev_priv)) > - continue; > +static void enabled_joiner_pipes(struct drm_i915_private *dev_priv, > + u8 *primary_pipes, u8 *secondary_pipes) > +{ > + struct intel_display *display = to_intel_display(&dev_priv->drm); > + u8 primary_uncompressed_joiner_pipes, primary_bigjoiner_pipes; > + u8 secondary_uncompressed_joiner_pipes, secondary_bigjoiner_pipes; > > - power_domain = POWER_DOMAIN_PIPE(pipe); > - with_intel_display_power_if_enabled(dev_priv, power_domain, wakeref) { > - u32 tmp = intel_de_read(dev_priv, ICL_PIPE_DSS_CTL1(pipe)); > + enabled_uncompressed_joiner_pipes(display, &primary_uncompressed_joiner_pipes, > + &secondary_uncompressed_joiner_pipes); > > - if (tmp & UNCOMPRESSED_JOINER_PRIMARY) > - *primary_pipes |= BIT(pipe); > - if (tmp & UNCOMPRESSED_JOINER_SECONDARY) > - *secondary_pipes |= BIT(pipe); > - } > - } > + enabled_bigjoiner_pipes(display, &primary_bigjoiner_pipes, > + &secondary_bigjoiner_pipes); > + > + *primary_pipes = primary_uncompressed_joiner_pipes | primary_bigjoiner_pipes; > + > + *secondary_pipes = secondary_uncompressed_joiner_pipes | secondary_bigjoiner_pipes; > > /* Joiner pipes should always be consecutive primary and secondary */ > drm_WARN(&dev_priv->drm, *secondary_pipes != *primary_pipes << 1, > -- > 2.45.2 -- Ville Syrjälä Intel