From patchwork Tue Feb 15 13:37:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gupta, Anshuman" X-Patchwork-Id: 12747092 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 E9D30C433F5 for ; Tue, 15 Feb 2022 13:37:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 78B3910E4EE; Tue, 15 Feb 2022 13:37:54 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0D62210E4E5 for ; Tue, 15 Feb 2022 13:37:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1644932273; x=1676468273; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ItFXZGOgggAMQPxDBHLlMKJHX5P0ggmAQQUiJKxtPSg=; b=JqSw52QLfLxkAzljSwVBlMR4d6+F+0fxr4ciBuSCBA+Vpr3f3wJWvxBe hHebsZq9e11bYAaxNgG1MmJZwjZ1+dKKRHc9IGFGdXYYXB2lEcyfoSTuU GnFgj/h/D+QhBDvN7U/z6zxQRQBvDrAFQAhce5CaH2GVwHnkJBp8H+usL AV6pygoQnh4NgLlgY/cEYxVCrnKYOQFnyedyz6kGKC44Zh5A8TS9BZcgw 3m0fUAwXCxfD96+ZUgxLbNbomRBZmJ2QY8888DjivW+/MDjUlcwqWEllk 2DcWWoZXkgaB2tSV2Dl2mY0iQirXzU0bIQy+BVQrMT7Fz1SXKBdxTWjSo g==; X-IronPort-AV: E=McAfee;i="6200,9189,10258"; a="313625935" X-IronPort-AV: E=Sophos;i="5.88,370,1635231600"; d="scan'208";a="313625935" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2022 05:37:52 -0800 X-IronPort-AV: E=Sophos;i="5.88,370,1635231600"; d="scan'208";a="603828876" Received: from srr4-3-linux-105-anshuma1.iind.intel.com ([10.223.74.179]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2022 05:37:50 -0800 From: Anshuman Gupta To: intel-gfx@lists.freedesktop.org Date: Tue, 15 Feb 2022 19:07:27 +0530 Message-Id: <20220215133727.13450-7-anshuman.gupta@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20220215133727.13450-1-anshuman.gupta@intel.com> References: <20220215133727.13450-1-anshuman.gupta@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 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 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. Cc: Jani Nikula Cc: Uma Shankar Cc: Rodrigo Vivi Reviewed-by: Uma Shankar Reviewed-by: Badal Nilawar Signed-off-by: Anshuman Gupta --- drivers/gpu/drm/i915/display/intel_opregion.c | 22 ++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_opregion.c b/drivers/gpu/drm/i915/display/intel_opregion.c index 8af3a92582cb..9907dae8f3cd 100644 --- a/drivers/gpu/drm/i915/display/intel_opregion.c +++ b/drivers/gpu/drm/i915/display/intel_opregion.c @@ -1625,11 +1625,31 @@ 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 = kzalloc(opregion->asle->rvds, GFP_KERNEL); + if (!opreg_rvda) + return ERR_PTR(-ENOMEM); + + memcpy(opreg_rvda, opregion->dgfx_oprom_opreg + opregion->asle->rvda, opregion->asle->rvds); + + /* We got RVDA, OPROM opregion + vbt image not nedded anymore */ + kfree(opregion->dgfx_oprom_opreg); + opregion->dgfx_oprom_opreg = NULL; + + return opreg_rvda; } 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)