From patchwork Sun Feb 20 16:37:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gupta, Anshuman" X-Patchwork-Id: 12752765 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 0C17AC433EF for ; Sun, 20 Feb 2022 16:38:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 26D3310E28F; Sun, 20 Feb 2022 16:38:05 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id D323510E28F for ; Sun, 20 Feb 2022 16:38:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645375083; x=1676911083; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=REj5crru6ygWhjmpE5TYKRMGIFdFRTe/zHduLeVGBY0=; b=Q8ciUBjBL7BJe0W7/N/F1fESQGSRKRCmJ/n7r0oZpTgR3n8cS3gJIV/y pN1LljBkWQnwPPPMDfM25YrPDTBpCTGu5U5Si6gaoPBo6mIriaYxoN5vr W47qu3yS6bRpEQd3OBZZsEy75gHkEIfcdr5e2kIApE3DkMz/Lov5zr2hL SnjVRP2IF6o8GFNhgPfSZtlhchB+nHu+RReHUgDtYSl0ymohPTwPNPZCo YjgOpOoenvPTEu/cvOdTYMjwlngDpNyETcOr+kCKQJKSmwi8rXyYSVMDm 8fi9icW9CsvMLNJ1olzjFNiKrz/SVGvFBJgrVTcx53fjY6FoBfzPQRRA5 g==; X-IronPort-AV: E=McAfee;i="6200,9189,10264"; a="314650652" X-IronPort-AV: E=Sophos;i="5.88,383,1635231600"; d="scan'208";a="314650652" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2022 08:38:03 -0800 X-IronPort-AV: E=Sophos;i="5.88,383,1635231600"; d="scan'208";a="490199548" Received: from srr4-3-linux-105-anshuma1.iind.intel.com ([10.223.74.179]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Feb 2022 08:38:00 -0800 From: Anshuman Gupta To: intel-gfx@lists.freedesktop.org Date: Sun, 20 Feb 2022 22:07:30 +0530 Message-Id: <20220220163730.5021-7-anshuman.gupta@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20220220163730.5021-1-anshuman.gupta@intel.com> References: <20220220163730.5021-1-anshuman.gupta@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v3 6/6] drm/i915/dgfx: Get VBT from rvda 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@intel.com, lucas.demarchi@intel.com, rodrigo.vivi@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Since OpRegion ver 2.1 MBOX3 RVDA field is Relative address of Raw VBT data from OpRegion Base. Populate the opreion->rvda accordingly. As Intel DGFX cards supports OpRegion version 2.2 or greater, RVDA as an absolute VBT physical address (Ver 2.0) doesn't applicable to DGFX cards. v2: - Add kzalloc NULL check for opreg_rvda pointer. v3: - Added kmemdup() insead of kzalloc() + memcpy() in intel_dgfx_alloc_rvda(), and added necessary credit to Manasi. Cc: Jani Nikula Cc: Uma Shankar Cc: Rodrigo Vivi Cc: Badal Nilawar Signed-off-by: Manasi Navare Signed-off-by: Anshuman Gupta --- drivers/gpu/drm/i915/display/intel_opregion.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_opregion.c b/drivers/gpu/drm/i915/display/intel_opregion.c index ea201c602755..5de1bc3e6e69 100644 --- a/drivers/gpu/drm/i915/display/intel_opregion.c +++ b/drivers/gpu/drm/i915/display/intel_opregion.c @@ -1621,11 +1621,28 @@ static void *intel_dgfx_alloc_opregion(struct drm_i915_private *i915) static void *intel_dgfx_alloc_rvda(struct drm_i915_private *i915) { - return ERR_PTR(-EOPNOTSUPP); + struct intel_opregion *opregion = &i915->opregion; + void *opreg_rvda; + + if (!opregion->dgfx_oprom_opreg) + return ERR_PTR(-EINVAL); + + opreg_rvda = kmemdup(opregion->dgfx_oprom_opreg + opregion->asle->rvda, + opregion->asle->rvds, GFP_KERNEL); + + /* We got RVDA, OPROM opregion + vbt image not nedded anymore */ + kfree(opregion->dgfx_oprom_opreg); + opregion->dgfx_oprom_opreg = NULL; + + return opreg_rvda ?: ERR_PTR(-ENOMEM); } static void intel_dgfx_free_rvda(struct drm_i915_private *i915) { + struct intel_opregion *opregion = &i915->opregion; + + kfree(opregion->rvda); + opregion->rvda = NULL; } static void intel_dgfx_free_opregion(struct drm_i915_private *i915)