From mboxrd@z Thu Jan 1 00:00:00 1970 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 BA501CA100C for ; Wed, 3 Sep 2025 09:04:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 81E0110E126; Wed, 3 Sep 2025 09:04:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="IVHdXqfI"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4117710E126; Wed, 3 Sep 2025 09:04:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1756890256; x=1788426256; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=LK8Wt/isYEaxAyP3A0RAtyggcZs8LRL/NgBXCe6lEAw=; b=IVHdXqfIoIcZ4zst3bHlPWL8iz5xPMmPzs/FxphLa3eoEMnIpT9dX0l/ KuDKdLRPb56B4yMvyIjga8jFuro8oeO1hc+O4nEE5baYJ8C/c4Bf/VQ4W avoQnLBZZzTZoKbSk515WWBxUH6f+xjOM6rhB9N1FtoBIjJk3272RQSjz +YddqSpimisz03GVB6+pQCFXQCXphn4C2O8XIE1lLl2P+/u6BR0gJB8HF fsZgbJpK8RxKL6QTb9r+yooQZFFW4FOZF3bsrJ0BKVh0neHZHdqkqo8RR MZ2hxb/vj5n1vZv3u69L/uy6+1pMJx7ci+MgKUKBhr5xXGw7YB94a7udl Q==; X-CSE-ConnectionGUID: OR8ArhFSSnKcR2EVq0aXQQ== X-CSE-MsgGUID: F5k0KZEGQQGvYFGmqlaZZA== X-IronPort-AV: E=McAfee;i="6800,10657,11541"; a="84620465" X-IronPort-AV: E=Sophos;i="6.18,233,1751266800"; d="scan'208";a="84620465" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2025 02:04:16 -0700 X-CSE-ConnectionGUID: uzsIkUaiSxKsjJJBW31Nsw== X-CSE-MsgGUID: qctcWXK5RWqntpRDuv5gfg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,233,1751266800"; d="scan'208";a="172351077" Received: from dhhellew-desk2.ger.corp.intel.com (HELO localhost) ([10.245.246.246]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2025 02:04:14 -0700 From: Jani Nikula To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: jani.nikula@intel.com Subject: [PATCH] drm/i915/display: add intel_display_device_present() Date: Wed, 3 Sep 2025 12:04:08 +0300 Message-ID: <20250903090408.3492875-1-jani.nikula@intel.com> X-Mailer: git-send-email 2.47.2 MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Add a proper function for display && HAS_DISPLAY(display) to hide indirect struct intel_display access via the macro from a number of places outside of display. This makes struct intel_display * an opaque pointer in these places. All HAS_DISPLAY() usage is now constrained within display. Signed-off-by: Jani Nikula --- .../drm/i915/display/intel_display_device.c | 5 +++ .../drm/i915/display/intel_display_device.h | 1 + .../i915/gem/selftests/i915_gem_client_blt.c | 4 +-- drivers/gpu/drm/i915/i915_driver.c | 18 +++++----- drivers/gpu/drm/i915/i915_switcheroo.c | 7 ++-- drivers/gpu/drm/i915/soc/intel_dram.c | 2 +- drivers/gpu/drm/xe/display/xe_display.c | 33 ++++++++----------- 7 files changed, 36 insertions(+), 34 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index 65f0efc35bb7..a002bc6ce7b0 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -1944,6 +1944,11 @@ void intel_display_device_info_print(const struct intel_display_device_info *inf drm_printf(p, "rawclk rate: %u kHz\n", runtime->rawclk_freq); } +bool intel_display_device_present(struct intel_display *display) +{ + return display && HAS_DISPLAY(display); +} + /* * Assuming the device has display hardware, should it be enabled? * diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h index 6e87b763fe7c..f329f1beafef 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.h +++ b/drivers/gpu/drm/i915/display/intel_display_device.h @@ -306,6 +306,7 @@ struct intel_display_device_info { } color; }; +bool intel_display_device_present(struct intel_display *display); bool intel_display_device_enabled(struct intel_display *display); struct intel_display *intel_display_device_probe(struct pci_dev *pdev); void intel_display_device_remove(struct intel_display *display); diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c index e747f5ed195e..539c620364e3 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c @@ -5,7 +5,7 @@ #include "i915_selftest.h" -#include "display/intel_display_core.h" +#include "display/intel_display_device.h" #include "gt/intel_context.h" #include "gt/intel_engine_regs.h" #include "gt/intel_engine_user.h" @@ -122,7 +122,7 @@ static bool fastblit_supports_x_tiling(const struct drm_i915_private *i915) if (GRAPHICS_VER_FULL(i915) < IP_VER(12, 55)) return false; - return HAS_DISPLAY(display); + return intel_display_device_present(display); } static bool fast_blit_ok(const struct blit_buffer *buf) diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index 70f042ce8705..a28c3710c4d5 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -51,13 +51,15 @@ #include "display/intel_bw.h" #include "display/intel_cdclk.h" #include "display/intel_crtc.h" -#include "display/intel_display_core.h" +#include "display/intel_display_device.h" #include "display/intel_display_driver.h" +#include "display/intel_display_power.h" #include "display/intel_dmc.h" #include "display/intel_dp.h" #include "display/intel_dpt.h" #include "display/intel_encoder.h" #include "display/intel_fbdev.h" +#include "display/intel_gmbus.h" #include "display/intel_hotplug.h" #include "display/intel_opregion.h" #include "display/intel_overlay.h" @@ -977,7 +979,7 @@ void i915_driver_shutdown(struct drm_i915_private *i915) intel_power_domains_disable(display); drm_client_dev_suspend(&i915->drm, false); - if (HAS_DISPLAY(display)) { + if (intel_display_device_present(display)) { drm_kms_helper_poll_disable(&i915->drm); intel_display_driver_disable_user_access(display); @@ -989,7 +991,7 @@ void i915_driver_shutdown(struct drm_i915_private *i915) intel_irq_suspend(i915); intel_hpd_cancel_work(display); - if (HAS_DISPLAY(display)) + if (intel_display_device_present(display)) intel_display_driver_suspend_access(display); intel_encoder_suspend_all(display); @@ -1060,7 +1062,7 @@ static int i915_drm_suspend(struct drm_device *dev) * properly. */ intel_power_domains_disable(display); drm_client_dev_suspend(dev, false); - if (HAS_DISPLAY(display)) { + if (intel_display_device_present(display)) { drm_kms_helper_poll_disable(dev); intel_display_driver_disable_user_access(display); } @@ -1072,7 +1074,7 @@ static int i915_drm_suspend(struct drm_device *dev) intel_irq_suspend(dev_priv); intel_hpd_cancel_work(display); - if (HAS_DISPLAY(display)) + if (intel_display_device_present(display)) intel_display_driver_suspend_access(display); intel_encoder_suspend_all(display); @@ -1219,7 +1221,7 @@ static int i915_drm_resume(struct drm_device *dev) */ intel_irq_resume(dev_priv); - if (HAS_DISPLAY(display)) + if (intel_display_device_present(display)) drm_mode_config_reset(dev); i915_gem_resume(dev_priv); @@ -1228,14 +1230,14 @@ static int i915_drm_resume(struct drm_device *dev) intel_clock_gating_init(dev_priv); - if (HAS_DISPLAY(display)) + if (intel_display_device_present(display)) intel_display_driver_resume_access(display); intel_hpd_init(display); intel_display_driver_resume(display); - if (HAS_DISPLAY(display)) { + if (intel_display_device_present(display)) { intel_display_driver_enable_user_access(display); drm_kms_helper_poll_enable(dev); } diff --git a/drivers/gpu/drm/i915/i915_switcheroo.c b/drivers/gpu/drm/i915/i915_switcheroo.c index 3a95a55b2e87..d5b6d8ab31a2 100644 --- a/drivers/gpu/drm/i915/i915_switcheroo.c +++ b/drivers/gpu/drm/i915/i915_switcheroo.c @@ -5,7 +5,7 @@ #include -#include "display/intel_display_core.h" +#include "display/intel_display_device.h" #include "i915_driver.h" #include "i915_drv.h" @@ -22,7 +22,7 @@ static void i915_switcheroo_set_state(struct pci_dev *pdev, dev_err(&pdev->dev, "DRM not initialized, aborting switch.\n"); return; } - if (!HAS_DISPLAY(display)) { + if (!intel_display_device_present(display)) { dev_err(&pdev->dev, "Device state not initialized, aborting switch.\n"); return; } @@ -52,7 +52,8 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev) * locking inversion with the driver load path. And the access here is * completely racy anyway. So don't bother with locking for now. */ - return i915 && HAS_DISPLAY(display) && atomic_read(&i915->drm.open_count) == 0; + return i915 && intel_display_device_present(display) && + atomic_read(&i915->drm.open_count) == 0; } static const struct vga_switcheroo_client_ops i915_switcheroo_ops = { diff --git a/drivers/gpu/drm/i915/soc/intel_dram.c b/drivers/gpu/drm/i915/soc/intel_dram.c index 3eb748ab44d9..00d3d834a83d 100644 --- a/drivers/gpu/drm/i915/soc/intel_dram.c +++ b/drivers/gpu/drm/i915/soc/intel_dram.c @@ -725,7 +725,7 @@ int intel_dram_detect(struct drm_i915_private *i915) struct dram_info *dram_info; int ret; - if (IS_DG2(i915) || !HAS_DISPLAY(display)) + if (IS_DG2(i915) || !intel_display_device_present(display)) return 0; dram_info = drmm_kzalloc(&i915->drm, sizeof(*dram_info), GFP_KERNEL); diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c index 8b68d70db6c8..19e691fccf8c 100644 --- a/drivers/gpu/drm/xe/display/xe_display.c +++ b/drivers/gpu/drm/xe/display/xe_display.c @@ -20,7 +20,7 @@ #include "intel_audio.h" #include "intel_bw.h" #include "intel_display.h" -#include "intel_display_core.h" +#include "intel_display_device.h" #include "intel_display_driver.h" #include "intel_display_irq.h" #include "intel_display_types.h" @@ -37,13 +37,6 @@ /* Xe device functions */ -static bool has_display(struct xe_device *xe) -{ - struct intel_display *display = xe->display; - - return HAS_DISPLAY(display); -} - /** * xe_display_driver_probe_defer - Detect if we need to wait for other drivers * early on @@ -290,7 +283,7 @@ static void xe_display_enable_d3cold(struct xe_device *xe) intel_dmc_suspend(display); - if (has_display(xe)) + if (intel_display_device_present(display)) intel_hpd_poll_enable(display); } @@ -303,14 +296,14 @@ static void xe_display_disable_d3cold(struct xe_device *xe) intel_dmc_resume(display); - if (has_display(xe)) + if (intel_display_device_present(display)) drm_mode_config_reset(&xe->drm); intel_display_driver_init_hw(display); intel_hpd_init(display); - if (has_display(xe)) + if (intel_display_device_present(display)) intel_hpd_poll_disable(display); intel_opregion_resume(display); @@ -333,7 +326,7 @@ void xe_display_pm_suspend(struct xe_device *xe) intel_power_domains_disable(display); drm_client_dev_suspend(&xe->drm, false); - if (has_display(xe)) { + if (intel_display_device_present(display)) { drm_kms_helper_poll_disable(&xe->drm); intel_display_driver_disable_user_access(display); intel_display_driver_suspend(display); @@ -345,7 +338,7 @@ void xe_display_pm_suspend(struct xe_device *xe) intel_hpd_cancel_work(display); - if (has_display(xe)) { + if (intel_display_device_present(display)) { intel_display_driver_suspend_access(display); intel_encoder_suspend_all(display); } @@ -365,7 +358,7 @@ void xe_display_pm_shutdown(struct xe_device *xe) intel_power_domains_disable(display); drm_client_dev_suspend(&xe->drm, false); - if (has_display(xe)) { + if (intel_display_device_present(display)) { drm_kms_helper_poll_disable(&xe->drm); intel_display_driver_disable_user_access(display); intel_display_driver_suspend(display); @@ -376,7 +369,7 @@ void xe_display_pm_shutdown(struct xe_device *xe) intel_encoder_block_all_hpds(display); intel_hpd_cancel_work(display); - if (has_display(xe)) + if (intel_display_device_present(display)) intel_display_driver_suspend_access(display); intel_encoder_suspend_all(display); @@ -465,25 +458,25 @@ void xe_display_pm_resume(struct xe_device *xe) intel_dmc_resume(display); - if (has_display(xe)) + if (intel_display_device_present(display)) drm_mode_config_reset(&xe->drm); intel_display_driver_init_hw(display); - if (has_display(xe)) + if (intel_display_device_present(display)) intel_display_driver_resume_access(display); intel_hpd_init(display); intel_encoder_unblock_all_hpds(display); - if (has_display(xe)) { + if (intel_display_device_present(display)) { intel_display_driver_resume(display); drm_kms_helper_poll_enable(&xe->drm); intel_display_driver_enable_user_access(display); } - if (has_display(xe)) + if (intel_display_device_present(display)) intel_hpd_poll_disable(display); intel_opregion_resume(display); @@ -548,7 +541,7 @@ int xe_display_probe(struct xe_device *xe) xe->display = display; - if (has_display(xe)) + if (intel_display_device_present(display)) return 0; no_display: -- 2.47.2