On Thu, 2021-03-25 at 11:06 -0700, Matt Roper wrote:
Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
> Cc: Aditya Swarup <aditya.swarup@xxxxxxxxx>
> Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_display_power.c | 4 ++++
> drivers/gpu/drm/i915/i915_reg.h | 2 ++
> 2 files changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
> index e3495d3305b3..930488fba3cd 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> @@ -5840,6 +5840,10 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv,
> DCPR_MASK_LPMODE | DCPR_MASK_MAXLATENCY_MEMUP_CLR;
> intel_uncore_rmw(&dev_priv->uncore, GEN11_CHICKEN_DCPR_2, 0, val);
> }
> +
> + /* Wa_14011503030:xelpd */
> + if (DISPLAY_VER(dev_priv) >= 13)
> + intel_de_write(dev_priv, XELPD_DISPLAY_ERR_FATAL_MASK, ~0);
> }
>
>
> static void icl_display_core_uninit(struct drm_i915_private *dev_priv)
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index d16f228bbef2..22beacb28920 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -7791,6 +7791,8 @@ enum {
> #define GEN8_GT_BCS_IRQ (1 << 1)
> #define GEN8_GT_RCS_IRQ (1 << 0)
>
>
> +#define XELPD_DISPLAY_ERR_FATAL_MASK _MMIO(0x4421c)
> +
> #define GEN8_GT_ISR(which) _MMIO(0x44300 + (0x10 * (which)))
> #define GEN8_GT_IMR(which) _MMIO(0x44304 + (0x10 * (which)))
> #define GEN8_GT_IIR(which) _MMIO(0x44308 + (0x10 * (which)))
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