| Message ID | 20191019004124.371929-4-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 17:41:23 -0700, José Roberto de Souza wrote: > Check if DMC 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> Looks good to me. Reviewed-by: Ramalingam C <ramalingam.c@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 31375ddc2b3b..84fca4f3af5a 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -7660,6 +7660,7 @@ enum { > #define SKL_DFSM_CDCLK_LIMIT_540 (1 << 23) > #define SKL_DFSM_CDCLK_LIMIT_450 (2 << 23) > #define SKL_DFSM_CDCLK_LIMIT_337_5 (3 << 23) > +#define ICL_DFSM_DMC_DISABLE (1 << 23) > #define SKL_DFSM_PIPE_A_DISABLE (1 << 30) > #define SKL_DFSM_PIPE_B_DISABLE (1 << 21) > #define SKL_DFSM_PIPE_C_DISABLE (1 << 28) > diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c > index b6a9f527f8f9..97d962944e48 100644 > --- a/drivers/gpu/drm/i915/intel_device_info.c > +++ b/drivers/gpu/drm/i915/intel_device_info.c > @@ -993,6 +993,9 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) > > if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE) > info->display.has_fbc = 0; > + > + if (INTEL_GEN(dev_priv) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE)) > + info->display.has_csr = 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 31375ddc2b3b..84fca4f3af5a 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7660,6 +7660,7 @@ enum { #define SKL_DFSM_CDCLK_LIMIT_540 (1 << 23) #define SKL_DFSM_CDCLK_LIMIT_450 (2 << 23) #define SKL_DFSM_CDCLK_LIMIT_337_5 (3 << 23) +#define ICL_DFSM_DMC_DISABLE (1 << 23) #define SKL_DFSM_PIPE_A_DISABLE (1 << 30) #define SKL_DFSM_PIPE_B_DISABLE (1 << 21) #define SKL_DFSM_PIPE_C_DISABLE (1 << 28) diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index b6a9f527f8f9..97d962944e48 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -993,6 +993,9 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE) info->display.has_fbc = 0; + + if (INTEL_GEN(dev_priv) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE)) + info->display.has_csr = 0; } /* Initialize slice/subslice/EU info */
Check if DMC 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(+)