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([10.245.244.2]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2025 01:56:23 -0700 From: =?UTF-8?q?Jouni=20H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: =?UTF-8?q?Jouni=20H=C3=B6gander?= Subject: [PATCH 4/6] drm/xe/display: Runtime pm wrappers for display parent interface Date: Wed, 22 Oct 2025 11:55:46 +0300 Message-ID: <20251022085548.876150-5-jouni.hogander@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251022085548.876150-1-jouni.hogander@intel.com> References: <20251022085548.876150-1-jouni.hogander@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Content-Transfer-Encoding: 8bit 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 runtime pm wrappers for xe driver and add them into display parent interface. Signed-off-by: Jouni Högander --- drivers/gpu/drm/xe/display/xe_display.c | 76 +++++++++++++++++++++++++ 1 file changed, 76 insertions(+) diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c index 0e38c96eb6def..8b2b0c5b398db 100644 --- a/drivers/gpu/drm/xe/display/xe_display.c +++ b/drivers/gpu/drm/xe/display/xe_display.c @@ -36,6 +36,7 @@ #include "intel_opregion.h" #include "skl_watermark.h" #include "xe_module.h" +#include "xe_pm.h" /* Ensure drm and display members are placed properly. */ INTEL_DISPLAY_MEMBER_STATIC_ASSERT(struct xe_device, drm, display); @@ -515,7 +516,82 @@ static void display_device_remove(struct drm_device *dev, void *arg) intel_display_device_remove(display); } +static struct ref_tracker *xe_rpm_get(const struct drm_device *drm) +{ + return xe_pm_runtime_resume_and_get(to_xe_device(drm)) ? INTEL_WAKEREF_DEF : NULL; +} + +static struct ref_tracker *xe_rpm_get_raw(const struct drm_device *drm) +{ + return xe_rpm_get(drm); +} + +static struct ref_tracker *xe_rpm_get_if_in_use(const struct drm_device *drm) +{ + return xe_pm_runtime_get_if_in_use(to_xe_device(drm)) ? INTEL_WAKEREF_DEF : NULL; +} + +static struct ref_tracker *xe_rpm_get_noresume(const struct drm_device *drm) +{ + xe_pm_runtime_get_noresume(to_xe_device(drm)); + + return INTEL_WAKEREF_DEF; +} + +static void xe_rpm_put(const struct drm_device *drm, struct ref_tracker *wakeref) +{ + if (wakeref) + xe_pm_runtime_put(to_xe_device(drm)); +} + +static void xe_rpm_put_raw(const struct drm_device *drm, struct ref_tracker *wakeref) +{ + xe_rpm_put(drm, wakeref); +} + +static void xe_rpm_put_unchecked(const struct drm_device *drm) +{ + xe_pm_runtime_put(to_xe_device(drm)); +} + +static bool xe_rpm_suspended(const struct drm_device *drm) +{ + struct xe_device *xe = to_xe_device(drm); + + return pm_runtime_suspended(xe->drm.dev); +} + +static void xe_rpm_assert_held(const struct drm_device *drm) +{ + /* FIXME */ +} + +static void xe_rpm_assert_block(const struct drm_device *drm) +{ + /* FIXME */ +} + +static void xe_rpm_assert_unblock(const struct drm_device *drm) +{ + /* FIXME */ +} + +static struct intel_display_rpm rpm = { + .get = xe_rpm_get, + .get_raw = xe_rpm_get_raw, + .get_if_in_use = xe_rpm_get_if_in_use, + .get_noresume = xe_rpm_get_noresume, + .put = xe_rpm_put, + .put_raw = xe_rpm_put_raw, + .put_unchecked = xe_rpm_put_unchecked, + .suspended = xe_rpm_suspended, + .assert_held = xe_rpm_assert_held, + .assert_block = xe_rpm_assert_block, + .assert_unblock = xe_rpm_assert_unblock +}; + static const struct intel_display_parent_interface parent = { + .rpm = &rpm, }; /** -- 2.43.0