From patchwork Wed Jun 5 10:25:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13686593 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 DD28AC25B76 for ; Wed, 5 Jun 2024 10:27:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5D06D10E74C; Wed, 5 Jun 2024 10:27:11 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="UWNevm63"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) by gabe.freedesktop.org (Postfix) with ESMTPS id A984E10E76D for ; Wed, 5 Jun 2024 10:27:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717583222; x=1749119222; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Lk4cvOzHDfvvdnCD26C3lRMjQmo1PUicvjmkb0UZOok=; b=UWNevm63ynZtlESIxQrhD670NpKDp6y/jPwBsumOa6Q1fBvVOo8EVIAd t1fLZiQSD2xO/C1kHTi5mpKsaYLtt2rFNE03ECXbzMVlM/QLjh9WT0N9D RcNv4yHuLRvHdJi2lQXC2dH7EESZiqOHfM/jP/gdhwRmiroAXPtiPu/mn zi+kXd/8WJPDJMEfEvvHLGVjyLq5wVETd38jdrkzT6hb9KYCmZx4agm/G BKMscol89YunVHJKn7nGxCheMDGBmXKUMrO1zhbz2OqsFI6gL1tgxLm3m QnRQAwOoUArZpdogrHca7nFYLqnoO45mq/AdCTT/jxaaB2/zJ+FuCaSWr w==; X-CSE-ConnectionGUID: HA/wUhnWSN656jbnQF5kJg== X-CSE-MsgGUID: 5Dl5c3ClQoyos2BRgVdNKg== X-IronPort-AV: E=McAfee;i="6600,9927,11093"; a="14136169" X-IronPort-AV: E=Sophos;i="6.08,216,1712646000"; d="scan'208";a="14136169" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2024 03:27:02 -0700 X-CSE-ConnectionGUID: HLjjjAm9RNGbw1P0lG8dUQ== X-CSE-MsgGUID: ZE+O0uIiQD+s3DQ0KdnFYw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,216,1712646000"; d="scan'208";a="68686331" Received: from amokrov-mobl1.ccr.corp.intel.com (HELO jhogande-mobl1.intel.com) ([10.249.37.49]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jun 2024 03:27:01 -0700 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org Cc: animesh.manna@intel.com, mika.kahola@intel.com, =?utf-8?q?Jouni_H=C3=B6g?= =?utf-8?q?ander?= Subject: [PATCH v6 25/26] drm/i915/psr: Add new debug bit to disable Panel Replay Date: Wed, 5 Jun 2024 13:25:52 +0300 Message-Id: <20240605102553.187309-26-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240605102553.187309-1-jouni.hogander@intel.com> References: <20240605102553.187309-1-jouni.hogander@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo 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" Currently there is no way to disable Panel Replay without disabling PSR. Add new debug bit to be used with i915_edp_psr_debug debugfs interface. v2: ensure that fastset is performed when the bit changes Signed-off-by: Jouni Högander --- drivers/gpu/drm/i915/display/intel_display_types.h | 1 + drivers/gpu/drm/i915/display/intel_psr.c | 11 +++++++++-- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index df29ec37ef28..089c53d5f3c9 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1690,6 +1690,7 @@ struct intel_psr { #define I915_PSR_DEBUG_ENABLE_SEL_FETCH 0x4 #define I915_PSR_DEBUG_IRQ 0x10 #define I915_PSR_DEBUG_SU_REGION_ET_DISABLE 0x20 +#define I915_PSR_DEBUG_PANEL_REPLAY_DISABLE 0x40 u32 debug; bool sink_support; diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index a10d9383cc87..b4cd7a8b17bc 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1520,6 +1520,9 @@ _panel_replay_compute_config(struct intel_dp *intel_dp, if (!CAN_PANEL_REPLAY(intel_dp)) return false; + if (intel_dp->psr.debug & I915_PSR_DEBUG_PANEL_REPLAY_DISABLE) + return false; + if (!intel_dp_is_edp(intel_dp)) return true; @@ -2845,11 +2848,13 @@ int intel_psr_debug_set(struct intel_dp *intel_dp, u64 val) { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); const u32 mode = val & I915_PSR_DEBUG_MODE_MASK; - const u32 disable_bits = val & I915_PSR_DEBUG_SU_REGION_ET_DISABLE; + const u32 disable_bits = val & (I915_PSR_DEBUG_SU_REGION_ET_DISABLE | + I915_PSR_DEBUG_PANEL_REPLAY_DISABLE); u32 old_mode, old_disable_bits; int ret; if (val & ~(I915_PSR_DEBUG_IRQ | I915_PSR_DEBUG_SU_REGION_ET_DISABLE | + I915_PSR_DEBUG_PANEL_REPLAY_DISABLE | I915_PSR_DEBUG_MODE_MASK) || mode > I915_PSR_DEBUG_ENABLE_SEL_FETCH) { drm_dbg_kms(&dev_priv->drm, "Invalid debug mask %llx\n", val); @@ -2862,7 +2867,9 @@ int intel_psr_debug_set(struct intel_dp *intel_dp, u64 val) old_mode = intel_dp->psr.debug & I915_PSR_DEBUG_MODE_MASK; old_disable_bits = intel_dp->psr.debug & - I915_PSR_DEBUG_SU_REGION_ET_DISABLE; + (I915_PSR_DEBUG_SU_REGION_ET_DISABLE | + I915_PSR_DEBUG_PANEL_REPLAY_DISABLE); + intel_dp->psr.debug = val; /*