From patchwork Mon Mar 22 20:58:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 12156157 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0ECB8C433C1 for ; Mon, 22 Mar 2021 20:56:07 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id BC70E6187E for ; Mon, 22 Mar 2021 20:56:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BC70E6187E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5751089F2D; Mon, 22 Mar 2021 20:56:06 +0000 (UTC) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8306889F2D for ; Mon, 22 Mar 2021 20:56:05 +0000 (UTC) IronPort-SDR: +idODkFR4J9NWKNXz3LLUqdaf5LC/JanS0zOy/hC5rGnR05FN7GbREi86yOdwT1M/ePn85tM0n nyyGIutcfwew== X-IronPort-AV: E=McAfee;i="6000,8403,9931"; a="251700663" X-IronPort-AV: E=Sophos;i="5.81,269,1610438400"; d="scan'208";a="251700663" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2021 13:56:03 -0700 IronPort-SDR: 2qaD7qd9KfV9QidpExBNnXTngkvFBAiQy5YdDFmEQeYnBWIwZ6Z9vdSA9Wx3pHama0B53GcGkQ Nn+BEmIBalWQ== X-IronPort-AV: E=Sophos;i="5.81,269,1610438400"; d="scan'208";a="414643326" Received: from doothoux-mobl3.amr.corp.intel.com (HELO josouza-mobl2.intel.com) ([10.254.31.75]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2021 13:55:59 -0700 From: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= To: intel-gfx@lists.freedesktop.org Date: Mon, 22 Mar 2021 13:58:03 -0700 Message-Id: <20210322205805.62205-1-jose.souza@intel.com> X-Mailer: git-send-email 2.31.0 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 1/3] drm/i915: Skip display interruption setup when display is not available 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: , Cc: Jani Nikula , Lucas De Marchi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Return ealier in the functions doing interruption setup for GEN8+ also adding a warning in gen8_de_irq_handler() to let us know that something else is still missing. Cc: Ville Syrjälä Cc: Lucas De Marchi Signed-off-by: José Roberto de Souza Signed-off-by: Jani Nikula Reviewed-by: Radhakrishna Sripada --- drivers/gpu/drm/i915/i915_irq.c | 39 +++++++++++++++++++++++++++------ 1 file changed, 32 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 44aed4cbf894..875829f8a190 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2421,6 +2421,8 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) u32 iir; enum pipe pipe; + drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_DISPLAY(dev_priv)); + if (master_ctl & GEN8_DE_MISC_IRQ) { iir = intel_uncore_read(&dev_priv->uncore, GEN8_DE_MISC_IIR); if (iir) { @@ -3058,14 +3060,13 @@ static void cnp_display_clock_wa(struct drm_i915_private *dev_priv) } } -static void gen8_irq_reset(struct drm_i915_private *dev_priv) +static void gen8_display_irq_reset(struct drm_i915_private *dev_priv) { struct intel_uncore *uncore = &dev_priv->uncore; enum pipe pipe; - gen8_master_intr_disable(dev_priv->uncore.regs); - - gen8_gt_irq_reset(&dev_priv->gt); + if (!HAS_DISPLAY(dev_priv)) + return; intel_uncore_write(uncore, EDP_PSR_IMR, 0xffffffff); intel_uncore_write(uncore, EDP_PSR_IIR, 0xffffffff); @@ -3077,6 +3078,16 @@ static void gen8_irq_reset(struct drm_i915_private *dev_priv) GEN3_IRQ_RESET(uncore, GEN8_DE_PORT_); GEN3_IRQ_RESET(uncore, GEN8_DE_MISC_); +} + +static void gen8_irq_reset(struct drm_i915_private *dev_priv) +{ + struct intel_uncore *uncore = &dev_priv->uncore; + + gen8_master_intr_disable(dev_priv->uncore.regs); + + gen8_gt_irq_reset(&dev_priv->gt); + gen8_display_irq_reset(dev_priv); GEN3_IRQ_RESET(uncore, GEN8_PCU_); if (HAS_PCH_SPLIT(dev_priv)) @@ -3092,6 +3103,9 @@ static void gen11_display_irq_reset(struct drm_i915_private *dev_priv) u32 trans_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C) | BIT(TRANSCODER_D); + if (!HAS_DISPLAY(dev_priv)) + return; + intel_uncore_write(uncore, GEN11_DISPLAY_INT_CTL, 0); if (INTEL_GEN(dev_priv) >= 12) { @@ -3714,6 +3728,9 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) BIT(TRANSCODER_C) | BIT(TRANSCODER_D); enum pipe pipe; + if (!HAS_DISPLAY(dev_priv)) + return; + if (INTEL_GEN(dev_priv) <= 10) de_misc_masked |= GEN8_DE_MISC_GSE; @@ -3797,6 +3814,16 @@ static void gen8_irq_postinstall(struct drm_i915_private *dev_priv) gen8_master_intr_enable(dev_priv->uncore.regs); } +static void gen11_de_irq_postinstall(struct drm_i915_private *dev_priv) +{ + if (!HAS_DISPLAY(dev_priv)) + return; + + gen8_de_irq_postinstall(dev_priv); + + intel_uncore_write(&dev_priv->uncore, GEN11_DISPLAY_INT_CTL, + GEN11_DISPLAY_IRQ_ENABLE); +} static void gen11_irq_postinstall(struct drm_i915_private *dev_priv) { @@ -3807,12 +3834,10 @@ static void gen11_irq_postinstall(struct drm_i915_private *dev_priv) icp_irq_postinstall(dev_priv); gen11_gt_irq_postinstall(&dev_priv->gt); - gen8_de_irq_postinstall(dev_priv); + gen11_de_irq_postinstall(dev_priv); GEN3_IRQ_INIT(uncore, GEN11_GU_MISC_, ~gu_misc_masked, gu_misc_masked); - intel_uncore_write(&dev_priv->uncore, GEN11_DISPLAY_INT_CTL, GEN11_DISPLAY_IRQ_ENABLE); - if (HAS_MASTER_UNIT_IRQ(dev_priv)) { dg1_master_intr_enable(uncore->regs); intel_uncore_posting_read(&dev_priv->uncore, DG1_MSTR_UNIT_INTR); From patchwork Mon Mar 22 20:58:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 12156159 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3F2AC433E0 for ; Mon, 22 Mar 2021 20:56:09 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8BDB26187E for ; Mon, 22 Mar 2021 20:56:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8BDB26187E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 609C589F71; Mon, 22 Mar 2021 20:56:07 +0000 (UTC) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id B883989F71 for ; Mon, 22 Mar 2021 20:56:05 +0000 (UTC) IronPort-SDR: RhO5J/lYI+ingDKOvjnjGvViL8JGoPtgzqMymp9r7z5qO4y9bga03EmYh6GWV42MAx0dpqk7sY 2apDSsYw6Q1w== X-IronPort-AV: E=McAfee;i="6000,8403,9931"; a="251700666" X-IronPort-AV: E=Sophos;i="5.81,269,1610438400"; d="scan'208";a="251700666" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2021 13:56:04 -0700 IronPort-SDR: V/WcXXZxkC0y99WrXrH/nGKzdmgYGfx86Cq1umDNS3Fv+3ZR2HBkvgl8cemLlipLFbauk3Eint cutejH213X3w== X-IronPort-AV: E=Sophos;i="5.81,269,1610438400"; d="scan'208";a="414643340" Received: from doothoux-mobl3.amr.corp.intel.com (HELO josouza-mobl2.intel.com) ([10.254.31.75]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2021 13:56:02 -0700 From: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= To: intel-gfx@lists.freedesktop.org Date: Mon, 22 Mar 2021 13:58:04 -0700 Message-Id: <20210322205805.62205-2-jose.souza@intel.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20210322205805.62205-1-jose.souza@intel.com> References: <20210322205805.62205-1-jose.souza@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 2/3] drm/i915: Do not set any power wells when there is no display 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: , Cc: Jani Nikula , Lucas De Marchi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Power wells are only part of display block and not necessary when running a headless driver. Cc: Lucas De Marchi Signed-off-by: José Roberto de Souza Signed-off-by: Jani Nikula Reviewed-by: Radhakrishna Sripada --- drivers/gpu/drm/i915/display/intel_display_power.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 7e0eaa872350..e6a3b3e6b1f7 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -4673,7 +4673,10 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv) * The enabling order will be from lower to higher indexed wells, * the disabling order is reversed. */ - if (IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv)) { + if (!HAS_DISPLAY(dev_priv)) { + power_domains->power_well_count = 0; + err = 0; + } else if (IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv)) { err = set_power_wells_mask(power_domains, tgl_power_wells, BIT_ULL(TGL_DISP_PW_TC_COLD_OFF)); } else if (IS_ROCKETLAKE(dev_priv)) { From patchwork Mon Mar 22 20:58:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 12156161 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5FADAC433DB for ; Mon, 22 Mar 2021 20:56:11 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 1BFD96187E for ; Mon, 22 Mar 2021 20:56:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1BFD96187E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6C08F6E03C; Mon, 22 Mar 2021 20:56:10 +0000 (UTC) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id E58796E03C for ; Mon, 22 Mar 2021 20:56:06 +0000 (UTC) IronPort-SDR: /vGGH3nVYHViK77C618ChKepmtovALf0RV+C8n3yhZRnWO8IUCYEW7jHlh2q0GbPn8Qy2p/4l9 PeIIWe1K3nsQ== X-IronPort-AV: E=McAfee;i="6000,8403,9931"; a="251700675" X-IronPort-AV: E=Sophos;i="5.81,269,1610438400"; d="scan'208";a="251700675" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2021 13:56:06 -0700 IronPort-SDR: ll7R1NUP48gzHNJJKpOw/tOoju7E0XTA5a7ybMsQOL8MxJ/c3jzzuCma4n4sy3abJUJdjpVFB8 dLBWyCAWcgCA== X-IronPort-AV: E=Sophos;i="5.81,269,1610438400"; d="scan'208";a="414643351" Received: from doothoux-mobl3.amr.corp.intel.com (HELO josouza-mobl2.intel.com) ([10.254.31.75]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2021 13:56:04 -0700 From: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= To: intel-gfx@lists.freedesktop.org Date: Mon, 22 Mar 2021 13:58:05 -0700 Message-Id: <20210322205805.62205-3-jose.souza@intel.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20210322205805.62205-1-jose.souza@intel.com> References: <20210322205805.62205-1-jose.souza@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 3/3] drm/i915: skip display initialization when there is no display 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: , Cc: Jani Nikula , Lucas De Marchi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Display features should not be initialized or de-initialized when there is no display. Skip modeset initialization, output setup, plane, crtc, encoder, connector registration, display cdclk and rawclk initialization, display core initialization, etc. Skip the functionality at as high level as possible, and remove any redundant checks. If the functionality is conditional to *other* display checks, do not add more. If the un-initialization has checks for initialization, do not add more. We explicitly do not care about any GMCH/VLV/CHV code paths, as they've always had and will have display. Cc: Lucas De Marchi Signed-off-by: José Roberto de Souza Signed-off-by: Jani Nikula Signed-off-by: Ville Syrjälä Reviewed-by: Radhakrishna Sripada --- drivers/gpu/drm/i915/display/intel_display.c | 44 +++++++++++++++---- .../drm/i915/display/intel_display_power.c | 36 +++++++++++++++ drivers/gpu/drm/i915/display/intel_dp.c | 6 +++ drivers/gpu/drm/i915/display/intel_gmbus.c | 3 -- drivers/gpu/drm/i915/display/intel_hotplug.c | 12 +++++ drivers/gpu/drm/i915/display/intel_pps.c | 5 ++- drivers/gpu/drm/i915/i915_drv.c | 28 +++++++++--- drivers/gpu/drm/i915/i915_suspend.c | 6 +++ 8 files changed, 120 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 7b38b9a38b85..b10bf7e06ee7 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1613,6 +1613,9 @@ u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, struct intel_crtc *crtc; struct intel_plane *plane; + if (!HAS_DISPLAY(dev_priv)) + return 0; + /* * We assume the primary plane for pipe A has * the highest stride limits of them all, @@ -4629,6 +4632,9 @@ int intel_display_suspend(struct drm_device *dev) struct drm_atomic_state *state; int ret; + if (!HAS_DISPLAY(dev_priv)) + return 0; + state = drm_atomic_helper_suspend(dev); ret = PTR_ERR_OR_ZERO(state); if (ret) @@ -12239,6 +12245,9 @@ static const struct drm_mode_config_funcs intel_mode_funcs = { */ void intel_init_display_hooks(struct drm_i915_private *dev_priv) { + if (!HAS_DISPLAY(dev_priv)) + return; + intel_init_cdclk_hooks(dev_priv); intel_init_audio_hooks(dev_priv); @@ -12281,8 +12290,12 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv) void intel_modeset_init_hw(struct drm_i915_private *i915) { - struct intel_cdclk_state *cdclk_state = - to_intel_cdclk_state(i915->cdclk.obj.state); + struct intel_cdclk_state *cdclk_state; + + if (!HAS_DISPLAY(i915)) + return; + + cdclk_state = to_intel_cdclk_state(i915->cdclk.obj.state); intel_update_cdclk(i915); intel_dump_cdclk_config(&i915->cdclk.hw, "Current CDCLK"); @@ -12598,6 +12611,9 @@ int intel_modeset_init_noirq(struct drm_i915_private *i915) /* FIXME: completely on the wrong abstraction layer */ intel_power_domains_init_hw(i915, false); + if (!HAS_DISPLAY(i915)) + return 0; + intel_csr_ucode_init(i915); i915->modeset_wq = alloc_ordered_workqueue("i915_modeset", 0); @@ -12648,6 +12664,9 @@ int intel_modeset_init_nogem(struct drm_i915_private *i915) struct intel_crtc *crtc; int ret; + if (!HAS_DISPLAY(i915)) + return 0; + intel_init_pm(i915); intel_panel_sanitize_ssc(i915); @@ -12660,13 +12679,11 @@ int intel_modeset_init_nogem(struct drm_i915_private *i915) INTEL_NUM_PIPES(i915), INTEL_NUM_PIPES(i915) > 1 ? "s" : ""); - if (HAS_DISPLAY(i915)) { - for_each_pipe(i915, pipe) { - ret = intel_crtc_init(i915, pipe); - if (ret) { - intel_mode_config_cleanup(i915); - return ret; - } + for_each_pipe(i915, pipe) { + ret = intel_crtc_init(i915, pipe); + if (ret) { + intel_mode_config_cleanup(i915); + return ret; } } @@ -13602,6 +13619,9 @@ void intel_display_resume(struct drm_device *dev) struct drm_modeset_acquire_ctx ctx; int ret; + if (!HAS_DISPLAY(dev_priv)) + return; + dev_priv->modeset_restore_state = NULL; if (state) state->acquire_ctx = &ctx; @@ -13651,6 +13671,9 @@ static void intel_hpd_poll_fini(struct drm_i915_private *i915) /* part #1: call before irq uninstall */ void intel_modeset_driver_remove(struct drm_i915_private *i915) { + if (!HAS_DISPLAY(i915)) + return; + flush_workqueue(i915->flip_wq); flush_workqueue(i915->modeset_wq); @@ -13661,6 +13684,9 @@ void intel_modeset_driver_remove(struct drm_i915_private *i915) /* part #2: call after irq uninstall */ void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915) { + if (!HAS_DISPLAY(i915)) + return; + /* * Due to the hpd irq storm handling the hotplug work can re-arm the * poll handlers. Hence disable polling after hpd handling is shut down. diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index e6a3b3e6b1f7..efacd6aba3d0 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -821,6 +821,9 @@ static void gen9_sanitize_dc_state(struct drm_i915_private *dev_priv) { u32 val; + if (!HAS_DISPLAY(dev_priv)) + return; + val = intel_de_read(dev_priv, DC_STATE_EN) & gen9_dc_mask(dev_priv); drm_dbg_kms(&dev_priv->drm, @@ -857,6 +860,9 @@ static void gen9_set_dc_state(struct drm_i915_private *dev_priv, u32 state) u32 val; u32 mask; + if (!HAS_DISPLAY(dev_priv)) + return; + if (drm_WARN_ON_ONCE(&dev_priv->drm, state & ~dev_priv->csr.allowed_dc_mask)) state &= dev_priv->csr.allowed_dc_mask; @@ -1181,6 +1187,9 @@ static void gen9_disable_dc_states(struct drm_i915_private *dev_priv) gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); + if (!HAS_DISPLAY(dev_priv)) + return; + dev_priv->display.get_cdclk(dev_priv, &cdclk_config); /* Can't read out voltage_level so can't use intel_cdclk_changed() */ drm_WARN_ON(&dev_priv->drm, @@ -4533,6 +4542,9 @@ static u32 get_allowed_dc_mask(const struct drm_i915_private *dev_priv, int requested_dc; int max_dc; + if (!HAS_DISPLAY(dev_priv)) + return 0; + if (IS_DG1(dev_priv)) max_dc = 3; else if (INTEL_GEN(dev_priv) >= 12) @@ -5125,6 +5137,9 @@ static void skl_display_core_init(struct drm_i915_private *dev_priv, /* enable PCH reset handshake */ intel_pch_reset_handshake(dev_priv, !HAS_PCH_NOP(dev_priv)); + if (!HAS_DISPLAY(dev_priv)) + return; + /* enable PG1 and Misc I/O */ mutex_lock(&power_domains->lock); @@ -5149,6 +5164,9 @@ static void skl_display_core_uninit(struct drm_i915_private *dev_priv) struct i915_power_domains *power_domains = &dev_priv->power_domains; struct i915_power_well *well; + if (!HAS_DISPLAY(dev_priv)) + return; + gen9_disable_dc_states(dev_priv); gen9_dbuf_disable(dev_priv); @@ -5189,6 +5207,9 @@ static void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume */ intel_pch_reset_handshake(dev_priv, false); + if (!HAS_DISPLAY(dev_priv)) + return; + /* Enable PG1 */ mutex_lock(&power_domains->lock); @@ -5210,6 +5231,9 @@ static void bxt_display_core_uninit(struct drm_i915_private *dev_priv) struct i915_power_domains *power_domains = &dev_priv->power_domains; struct i915_power_well *well; + if (!HAS_DISPLAY(dev_priv)) + return; + gen9_disable_dc_states(dev_priv); gen9_dbuf_disable(dev_priv); @@ -5243,6 +5267,9 @@ static void cnl_display_core_init(struct drm_i915_private *dev_priv, bool resume /* 1. Enable PCH Reset Handshake */ intel_pch_reset_handshake(dev_priv, !HAS_PCH_NOP(dev_priv)); + if (!HAS_DISPLAY(dev_priv)) + return; + /* 2-3. */ intel_combo_phy_init(dev_priv); @@ -5270,6 +5297,9 @@ static void cnl_display_core_uninit(struct drm_i915_private *dev_priv) struct i915_power_domains *power_domains = &dev_priv->power_domains; struct i915_power_well *well; + if (!HAS_DISPLAY(dev_priv)) + return; + gen9_disable_dc_states(dev_priv); /* 1. Disable all display engine functions -> aready done */ @@ -5384,6 +5414,9 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv, /* 1. Enable PCH reset handshake. */ intel_pch_reset_handshake(dev_priv, !HAS_PCH_NOP(dev_priv)); + if (!HAS_DISPLAY(dev_priv)) + return; + /* 2. Initialize all combo phys */ intel_combo_phy_init(dev_priv); @@ -5428,6 +5461,9 @@ static void icl_display_core_uninit(struct drm_i915_private *dev_priv) struct i915_power_domains *power_domains = &dev_priv->power_domains; struct i915_power_well *well; + if (!HAS_DISPLAY(dev_priv)) + return; + gen9_disable_dc_states(dev_priv); /* 1. Disable all display engine functions -> aready done */ diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 1400c5b44c83..fc00bacd00c4 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -5427,6 +5427,9 @@ void intel_dp_mst_suspend(struct drm_i915_private *dev_priv) { struct intel_encoder *encoder; + if (!HAS_DISPLAY(dev_priv)) + return; + for_each_intel_encoder(&dev_priv->drm, encoder) { struct intel_dp *intel_dp; @@ -5447,6 +5450,9 @@ void intel_dp_mst_resume(struct drm_i915_private *dev_priv) { struct intel_encoder *encoder; + if (!HAS_DISPLAY(dev_priv)) + return; + for_each_intel_encoder(&dev_priv->drm, encoder) { struct intel_dp *intel_dp; int ret; diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c b/drivers/gpu/drm/i915/display/intel_gmbus.c index 0c952e1d720e..5ee599d20050 100644 --- a/drivers/gpu/drm/i915/display/intel_gmbus.c +++ b/drivers/gpu/drm/i915/display/intel_gmbus.c @@ -845,9 +845,6 @@ int intel_gmbus_setup(struct drm_i915_private *dev_priv) unsigned int pin; int ret; - if (!HAS_DISPLAY(dev_priv)) - return 0; - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) dev_priv->gpio_mmio_base = VLV_DISPLAY_BASE; else if (!HAS_GMCH(dev_priv)) diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index f46a1b7190b8..47c85ac97c87 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -595,6 +595,9 @@ void intel_hpd_init(struct drm_i915_private *dev_priv) { int i; + if (!HAS_DISPLAY(dev_priv)) + return; + for_each_hpd_pin(i) { dev_priv->hotplug.stats[i].count = 0; dev_priv->hotplug.stats[i].state = HPD_ENABLED; @@ -670,6 +673,9 @@ static void i915_hpd_poll_init_work(struct work_struct *work) */ void intel_hpd_poll_enable(struct drm_i915_private *dev_priv) { + if (!HAS_DISPLAY(dev_priv)) + return; + WRITE_ONCE(dev_priv->hotplug.poll_enabled, true); /* @@ -702,6 +708,9 @@ void intel_hpd_poll_enable(struct drm_i915_private *dev_priv) */ void intel_hpd_poll_disable(struct drm_i915_private *dev_priv) { + if (!HAS_DISPLAY(dev_priv)) + return; + WRITE_ONCE(dev_priv->hotplug.poll_enabled, false); schedule_work(&dev_priv->hotplug.poll_init_work); } @@ -718,6 +727,9 @@ void intel_hpd_init_work(struct drm_i915_private *dev_priv) void intel_hpd_cancel_work(struct drm_i915_private *dev_priv) { + if (!HAS_DISPLAY(dev_priv)) + return; + spin_lock_irq(&dev_priv->irq_lock); dev_priv->hotplug.long_port_mask = 0; diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c index 932f56951914..e1aacd25c9d8 100644 --- a/drivers/gpu/drm/i915/display/intel_pps.c +++ b/drivers/gpu/drm/i915/display/intel_pps.c @@ -319,6 +319,9 @@ void intel_pps_reset_all(struct drm_i915_private *dev_priv) IS_GEN9_LP(dev_priv)))) return; + if (!HAS_DISPLAY(dev_priv)) + return; + /* * We can't grab pps_mutex here due to deadlock with power_domain * mutex when power_domain functions are called while holding pps_mutex. @@ -1378,7 +1381,7 @@ void intel_pps_unlock_regs_wa(struct drm_i915_private *dev_priv) int pps_num; int pps_idx; - if (HAS_DDI(dev_priv)) + if (!HAS_DISPLAY(dev_priv) || HAS_DDI(dev_priv)) return; /* * This w/a is needed at least on CPT/PPT, but to be sure apply it diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 64edcab59fe1..ee27962a6044 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -977,8 +977,12 @@ static int i915_driver_open(struct drm_device *dev, struct drm_file *file) */ static void i915_driver_lastclose(struct drm_device *dev) { + struct drm_i915_private *i915 = to_i915(dev); + intel_fbdev_restore_mode(dev); - vga_switcheroo_process_delayed_switch(); + + if (HAS_DISPLAY(i915)) + vga_switcheroo_process_delayed_switch(); } static void i915_driver_postclose(struct drm_device *dev, struct drm_file *file) @@ -999,6 +1003,9 @@ static void intel_suspend_encoders(struct drm_i915_private *dev_priv) struct drm_device *dev = &dev_priv->drm; struct intel_encoder *encoder; + if (!HAS_DISPLAY(dev_priv)) + return; + drm_modeset_lock_all(dev); for_each_intel_encoder(dev, encoder) if (encoder->suspend) @@ -1011,6 +1018,9 @@ static void intel_shutdown_encoders(struct drm_i915_private *dev_priv) struct drm_device *dev = &dev_priv->drm; struct intel_encoder *encoder; + if (!HAS_DISPLAY(dev_priv)) + return; + drm_modeset_lock_all(dev); for_each_intel_encoder(dev, encoder) if (encoder->shutdown) @@ -1026,9 +1036,11 @@ void i915_driver_shutdown(struct drm_i915_private *i915) i915_gem_suspend(i915); - drm_kms_helper_poll_disable(&i915->drm); + if (HAS_DISPLAY(i915)) { + drm_kms_helper_poll_disable(&i915->drm); - drm_atomic_helper_shutdown(&i915->drm); + drm_atomic_helper_shutdown(&i915->drm); + } intel_dp_mst_suspend(i915); @@ -1084,8 +1096,8 @@ static int i915_drm_suspend(struct drm_device *dev) /* We do a lot of poking in a lot of registers, make sure they work * properly. */ intel_power_domains_disable(dev_priv); - - drm_kms_helper_poll_disable(dev); + if (HAS_DISPLAY(dev_priv)) + drm_kms_helper_poll_disable(dev); pci_save_state(pdev); @@ -1232,7 +1244,8 @@ static int i915_drm_resume(struct drm_device *dev) */ intel_runtime_pm_enable_interrupts(dev_priv); - drm_mode_config_reset(dev); + if (HAS_DISPLAY(dev_priv)) + drm_mode_config_reset(dev); i915_gem_resume(dev_priv); @@ -1245,7 +1258,8 @@ static int i915_drm_resume(struct drm_device *dev) intel_display_resume(dev); intel_hpd_poll_disable(dev_priv); - drm_kms_helper_poll_enable(dev); + if (HAS_DISPLAY(dev_priv)) + drm_kms_helper_poll_enable(dev); intel_opregion_resume(dev_priv); diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 0bc7b49f843c..5fcc32821e18 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -87,6 +87,9 @@ void i915_save_display(struct drm_i915_private *dev_priv) { struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); + if (!HAS_DISPLAY(dev_priv)) + return; + /* Display arbitration control */ if (INTEL_GEN(dev_priv) <= 4) dev_priv->regfile.saveDSPARB = intel_de_read(dev_priv, DSPARB); @@ -102,6 +105,9 @@ void i915_restore_display(struct drm_i915_private *dev_priv) { struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); + if (!HAS_DISPLAY(dev_priv)) + return; + intel_restore_swf(dev_priv); if (IS_GEN(dev_priv, 4))