From: José Roberto de Souza Date: Thu, 2 Jun 2022 20:17:30 +0000 (-0700) Subject: drm/i915/display/fbc: Do not apply WA 22014263786 to DG2 X-Git-Tag: v6.1-rc5~176^2~17^2~141 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1d742694571655e49e11ea8f391bcafaf0f5ee74;p=platform%2Fkernel%2Flinux-starfive.git drm/i915/display/fbc: Do not apply WA 22014263786 to DG2 This workaround brings some regressions to DG2 and if really necessary for DG2 an alternative workaround will be implemented. BSpec: 54077 Signed-off-by: José Roberto de Souza Reviewed-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20220602201730.199418-1-jose.souza@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index bbdc34a..8b80728 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -813,8 +813,8 @@ static void intel_fbc_program_cfb(struct intel_fbc *fbc) static void intel_fbc_program_workarounds(struct intel_fbc *fbc) { - /* Wa_22014263786:icl,jsl,tgl,dg1,rkl,adls,dg2,adlp */ - if (DISPLAY_VER(fbc->i915) >= 11) + /* Wa_22014263786:icl,jsl,tgl,dg1,rkl,adls,adlp */ + if (DISPLAY_VER(fbc->i915) >= 11 && !IS_DG2(fbc->i915)) intel_de_rmw(fbc->i915, ILK_DPFC_CHICKEN(fbc->id), 0, DPFC_CHICKEN_FORCE_SLB_INVALIDATION); }