From: José Roberto de Souza Date: Tue, 13 Jul 2021 00:38:54 +0000 (-0700) Subject: drm/i915/display/xelpd: Extend Wa_14011508470 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=9f5827580749b1dbc3aa339b37aa67e8aab25ac9;p=uclinux-h8%2Flinux.git drm/i915/display/xelpd: Extend Wa_14011508470 This workaround is also applicable to xelpd display so extending it. Cc: Gwan-gyeong Mun Reviewed-by: Matt Roper Signed-off-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20210713003854.143197-6-jose.souza@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 6fc766da6605..d92db471411e 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -5883,8 +5883,8 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv, if (resume && intel_dmc_has_payload(dev_priv)) intel_dmc_load_program(dev_priv); - /* Wa_14011508470 */ - if (DISPLAY_VER(dev_priv) == 12) { + /* Wa_14011508470:tgl,dg1,rkl,adl-s,adl-p */ + if (DISPLAY_VER(dev_priv) >= 12) { val = DCPR_CLEAR_MEMSTAT_DIS | DCPR_SEND_RESP_IMM | DCPR_MASK_LPMODE | DCPR_MASK_MAXLATENCY_MEMUP_CLR; intel_uncore_rmw(&dev_priv->uncore, GEN11_CHICKEN_DCPR_2, 0, val);