| Message ID | 20191019004124.371929-3-jose.souza@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/5] drm/i915/display: Handle fused off display correctly | expand |
On 2019-10-18 at 17:41:22 -0700, José Roberto de Souza wrote: > Check if FBC is fused off and handle it. > > Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> > Cc: Martin Peres <martin.peres@linux.intel.com> > Signed-off-by: José Roberto de Souza <jose.souza@intel.com> > --- > drivers/gpu/drm/i915/i915_reg.h | 1 + > drivers/gpu/drm/i915/intel_device_info.c | 3 +++ > 2 files changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > index eacc5ba307b0..31375ddc2b3b 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -7653,6 +7653,7 @@ enum { > > #define SKL_DFSM _MMIO(0x51000) > #define SKL_DFSM_INTERNAL_DISPLAY_DISABLE (1 << 30) > +#define SKL_DFSM_DISPLAY_PM_DISABLE (1 << 27) May be you want to add two char like #define SKL_DFSM_DISPLAY_PM_DISABLE (1 << 27) Either way Reviewed-by: Ramalingam C <ramalingam.c@intel.com> -Ram > #define SKL_DFSM_DISPLAY_HDCP_DISABLE (1 << 25) > #define SKL_DFSM_CDCLK_LIMIT_MASK (3 << 23) > #define SKL_DFSM_CDCLK_LIMIT_675 (0 << 23) > diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c > index 753c2cf2fbf4..b6a9f527f8f9 100644 > --- a/drivers/gpu/drm/i915/intel_device_info.c > +++ b/drivers/gpu/drm/i915/intel_device_info.c > @@ -990,6 +990,9 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) > > if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE) > info->display.has_hdcp = 0; > + > + if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE) > + info->display.has_fbc = 0; > } > > /* Initialize slice/subslice/EU info */ > -- > 2.23.0 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index eacc5ba307b0..31375ddc2b3b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7653,6 +7653,7 @@ enum { #define SKL_DFSM _MMIO(0x51000) #define SKL_DFSM_INTERNAL_DISPLAY_DISABLE (1 << 30) +#define SKL_DFSM_DISPLAY_PM_DISABLE (1 << 27) #define SKL_DFSM_DISPLAY_HDCP_DISABLE (1 << 25) #define SKL_DFSM_CDCLK_LIMIT_MASK (3 << 23) #define SKL_DFSM_CDCLK_LIMIT_675 (0 << 23) diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index 753c2cf2fbf4..b6a9f527f8f9 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -990,6 +990,9 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE) info->display.has_hdcp = 0; + + if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE) + info->display.has_fbc = 0; } /* Initialize slice/subslice/EU info */
Check if FBC is fused off and handle it. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Martin Peres <martin.peres@linux.intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_device_info.c | 3 +++ 2 files changed, 4 insertions(+)