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 C3CC6E6F079 for ; Tue, 23 Dec 2025 10:45:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 861F510E28C; Tue, 23 Dec 2025 10:45:55 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="R9gIXOfZ"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id CA77710E281; Tue, 23 Dec 2025 10:45:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1766486751; x=1798022751; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rgoJAaYxt8loX2QSzw6ZVw5Sm65YlfsfOOV0t3UMIG0=; b=R9gIXOfZbdWhdxuAI8oXrNL2Tx2wiRcC8AAWJTnj5hRb2yiM8ZZBvgEP yPXjmQ2/SC+S5PnKXqA8Blo9CJGwvYt2YNbqZ/CpIkxGTi4k6OTVMWG1V B/UwajqmK0US8Gjw7GBVE1cwfKs2ez2Z7FhVn9T50C2sr0Ll4kvPRiMz/ KDj4+Fo8AQN11T9CV+Hl6nyRMahQ4qoS6FU1B9uAYPD57UWmvEZV6km0t Zec3DGaw4waMu3a9FbL8wrHS8E/Zhytz5c++uHbAGsVZh9iwwGfefMwGR ofdZV16J/U7GT0Q4zE5gtoim34qQ/+dZbKqvkAI4LFgDJyTE3wz6xVipz g==; X-CSE-ConnectionGUID: hBltI2VGT+apkwpk91f/Tw== X-CSE-MsgGUID: /VuKGH2DSH2MPoTx1ck0Ig== X-IronPort-AV: E=McAfee;i="6800,10657,11650"; a="68090010" X-IronPort-AV: E=Sophos;i="6.21,170,1763452800"; d="scan'208";a="68090010" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Dec 2025 02:45:51 -0800 X-CSE-ConnectionGUID: 22X+GrYbSdWfh5kg+f62UQ== X-CSE-MsgGUID: Egl/eBh+Swu/MVRxPAXRQg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,170,1763452800"; d="scan'208";a="199734580" Received: from mgolanimitul-x299-ud4-pro.iind.intel.com ([10.190.239.114]) by orviesa007.jf.intel.com with ESMTP; 23 Dec 2025 02:45:47 -0800 From: Mitul Golani To: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org, mitulkumar.ajitkumar.golani@intel.com, ankit.k.nautiyal@intel.com, ville.syrjala@linux.intel.com, uma.shankar@intel.com, jani.nikula@intel.com Subject: [PATCH v11 17/18] drm/i915/display: Add function to configure event for dc balance Date: Tue, 23 Dec 2025 16:15:39 +0530 Message-ID: <20251223104542.2688548-18-mitulkumar.ajitkumar.golani@intel.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251223104542.2688548-1-mitulkumar.ajitkumar.golani@intel.com> References: <20251223104542.2688548-1-mitulkumar.ajitkumar.golani@intel.com> MIME-Version: 1.0 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" Configure pipe dmc event for dc balance enable/disable. --v2: - Keeping function and removing unnecessary comments. (Jani, Nikula) Signed-off-by: Mitul Golani Reviewed-by: Uma Shankar Reviewed-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_dmc.c | 8 ++++++++ drivers/gpu/drm/i915/display/intel_dmc.h | 2 ++ drivers/gpu/drm/i915/display/intel_vrr.c | 2 ++ 3 files changed, 12 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index e076ba7e0f28..1182bc9a2e6d 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -859,6 +859,14 @@ static void dmc_configure_event(struct intel_display *display, dmc_id, num_handlers, event_id); } +void intel_dmc_configure_dc_balance_event(struct intel_display *display, + enum pipe pipe, bool enable) +{ + enum intel_dmc_id dmc_id = PIPE_TO_DMC_ID(pipe); + + dmc_configure_event(display, dmc_id, PIPEDMC_EVENT_ADAPTIVE_DCB_TRIGGER, enable); +} + /** * intel_dmc_block_pkgc() - block PKG C-state * @display: display instance diff --git a/drivers/gpu/drm/i915/display/intel_dmc.h b/drivers/gpu/drm/i915/display/intel_dmc.h index 9c6a42fc820e..3d8a9a593319 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.h +++ b/drivers/gpu/drm/i915/display/intel_dmc.h @@ -25,6 +25,8 @@ void intel_dmc_enable_pipe(const struct intel_crtc_state *crtc_state); void intel_dmc_disable_pipe(const struct intel_crtc_state *crtc_state); void intel_dmc_block_pkgc(struct intel_display *display, enum pipe pipe, bool block); +void intel_dmc_configure_dc_balance_event(struct intel_display *display, + enum pipe pipe, bool enable); void intel_dmc_start_pkgc_exit_at_start_of_undelayed_vblank(struct intel_display *display, enum pipe pipe, bool enable); void intel_dmc_fini(struct intel_display *display); diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index ac612cf08d98..1522ec3a98b8 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -823,6 +823,7 @@ intel_vrr_enable_dc_balancing(const struct intel_crtc_state *crtc_state) crtc_state->vrr.dc_balance.slope); intel_de_write(display, PIPEDMC_DCB_VBLANK(pipe), crtc_state->vrr.dc_balance.vblank_target); + intel_dmc_configure_dc_balance_event(display, pipe, true); intel_de_write(display, TRANS_ADAPTIVE_SYNC_DCB_CTL(cpu_transcoder), ADAPTIVE_SYNC_COUNTER_EN); intel_pipedmc_dcb_enable(NULL, crtc); @@ -840,6 +841,7 @@ intel_vrr_disable_dc_balancing(const struct intel_crtc_state *old_crtc_state) return; intel_pipedmc_dcb_disable(NULL, crtc); + intel_dmc_configure_dc_balance_event(display, pipe, false); intel_de_write(display, TRANS_ADAPTIVE_SYNC_DCB_CTL(cpu_transcoder), 0); intel_de_write(display, PIPEDMC_DCB_VMIN(pipe), 0); intel_de_write(display, PIPEDMC_DCB_VMAX(pipe), 0); -- 2.48.1