From patchwork Wed Mar 29 15:07:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13192698 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 85986C761AF for ; Wed, 29 Mar 2023 15:11:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E74BA897F6; Wed, 29 Mar 2023 15:11:24 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id D1F0710EB25 for ; Wed, 29 Mar 2023 15:11:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1680102676; x=1711638676; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qdpqSDrsCWDqv2gED5uOraVUVRubB3XpObRkd6/5PPQ=; b=OyPEVJwxZzvyfMI3TCLIzwxtA7/3I5r2sZtcPTuorjTmyKEMCR2aXgEL M565sYVVRO1j9bkI0Oex98o83XzTukB2UEUmQwk9pyE8+kRLcAqtQGsIL oH6NA00QXPDJ92ITgpYA2Ob0/8im7Om/JTgrhC1uv3KlfuzG5j1U359ut aWZXYS8MWFR5aYotjmH9Dg3HZ+9hkbmWbWgJf4yH46Rm2Nog5ZJX49eRE 2HkCnMuNGmhJgFXprXH/n35KrszX01TT40MryKZlk1F0+xhmmMVyN4t+g RZGUuGHIhZM8AVKY/OqolWlZC/eZHScLy9ba2rmChjogjljctYJtsAjVi Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10664"; a="368672960" X-IronPort-AV: E=Sophos;i="5.98,301,1673942400"; d="scan'208";a="368672960" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2023 08:07:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10664"; a="753626097" X-IronPort-AV: E=Sophos;i="5.98,301,1673942400"; d="scan'208";a="753626097" Received: from pgarraul-mobl2.ger.corp.intel.com (HELO jhogande-mobl1.ger.corp.intel.com) ([10.251.223.204]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2023 08:07:49 -0700 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org Date: Wed, 29 Mar 2023 18:07:03 +0300 Message-Id: <20230329150703.432072-7-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230329150703.432072-1-jouni.hogander@intel.com> References: <20230329150703.432072-1-jouni.hogander@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH v7 6/6] drm/i915/psr: Implement Display WA #1136 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Implement Display WA #1136 for Pre-ICL. Bspec: 21664 v2: Handle disable psr in pre/post plane hooks Signed-off-by: Jouni Högander Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_psr.c | 7 +++++++ drivers/gpu/drm/i915/display/skl_watermark.c | 5 ----- 2 files changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 446c8acc265b..ecf1781c1556 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1968,11 +1968,14 @@ void intel_psr_pre_plane_update(struct intel_atomic_state *state, * - PSR disabled in new state * - All planes will go inactive * - Changing between PSR versions + * - Display WA #1136: skl, bxt */ needs_to_disable |= intel_crtc_needs_modeset(new_crtc_state); needs_to_disable |= !new_crtc_state->has_psr; needs_to_disable |= !new_crtc_state->active_planes; needs_to_disable |= new_crtc_state->has_psr2 != psr->psr2_enabled; + needs_to_disable |= DISPLAY_VER(i915) < 11 && + new_crtc_state->wm_level_disabled; if (psr->enabled && needs_to_disable) intel_psr_disable_locked(intel_dp); @@ -2006,6 +2009,10 @@ static void _intel_psr_post_plane_update(const struct intel_atomic_state *state, keep_disabled |= psr->sink_not_reliable; keep_disabled |= !crtc_state->active_planes; + /* Display WA #1136: skl, bxt */ + keep_disabled |= DISPLAY_VER(dev_priv) < 11 && + crtc_state->wm_level_disabled; + if (!psr->enabled && !keep_disabled) intel_psr_enable_locked(intel_dp, crtc_state); else if (psr->enabled && !crtc_state->wm_level_disabled) diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c index 7e2e76afbf2a..5296a20d62d3 100644 --- a/drivers/gpu/drm/i915/display/skl_watermark.c +++ b/drivers/gpu/drm/i915/display/skl_watermark.c @@ -2281,11 +2281,6 @@ static int skl_wm_check_vblank(struct intel_crtc_state *crtc_state) */ crtc_state->wm_level_disabled = level < i915->display.wm.num_levels - 1; - /* - * FIXME also related to skl+ w/a 1136 (also unimplemented as of - * now) perhaps? - */ - for (level++; level < i915->display.wm.num_levels; level++) { enum plane_id plane_id;