On Tue, 2021-11-16 at 09:48 -0800, Matt Roper wrote:
> From: Matt Atwood <matthew.s.atwood@xxxxxxxxx>
>
> Extend existing workaround 1409120013 to DG2.
>
> Cc: José Roberto de Souza <jose.souza@xxxxxxxxx>
> Signed-off-by: Matt Atwood <matthew.s.atwood@xxxxxxxxx>
> Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_pm.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 89dc7f69baf3..e721c421cc58 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -7444,9 +7444,9 @@ static void icl_init_clock_gating(struct drm_i915_private *dev_priv)
>
> static void gen12lp_init_clock_gating(struct drm_i915_private *dev_priv)
> {
> - /* Wa_1409120013:tgl,rkl,adl-s,dg1 */
> + /* Wa_1409120013:tgl,rkl,adl-s,dg1,dg2 */
I'm not finding this workaround in the DG2 WA spec page, maybe it was removed because it is not necessary anymore?
> if (IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv) ||
> - IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv))
> + IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv) || IS_DG2(dev_priv))
> intel_uncore_write(&dev_priv->uncore, ILK_DPFC_CHICKEN,
> DPFC_CHICKEN_COMP_DUMMY_PIXEL);
>
