From patchwork Thu Sep 6 10:40:31 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 10590419 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7CFB313BB for ; Thu, 6 Sep 2018 10:41:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 60B852A5C6 for ; Thu, 6 Sep 2018 10:41:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 553112A5C9; Thu, 6 Sep 2018 10:41:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EDE262A5C6 for ; Thu, 6 Sep 2018 10:41:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 494726E683; Thu, 6 Sep 2018 10:41:08 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 539896E683 for ; Thu, 6 Sep 2018 10:41:07 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Sep 2018 03:41:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,337,1531810800"; d="scan'208";a="87687274" Received: from jnikula-mobl3.fi.intel.com (HELO localhost) ([10.237.72.61]) by fmsmga001.fm.intel.com with ESMTP; 06 Sep 2018 03:41:05 -0700 From: Jani Nikula To: intel-gfx@lists.freedesktop.org Date: Thu, 6 Sep 2018 13:40:31 +0300 Message-Id: <20180906104033.20872-1-jani.nikula@intel.com> X-Mailer: git-send-email 2.11.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH v2 1/3] drm/i915/csr: keep firmware name and required version together X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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 MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Having two separate if ladders gets increasingly hard to maintain. Put them together. Reviewed-by: Chris Wilson Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/intel_csr.c | 54 ++++++++++++++++------------------------ 2 files changed, 23 insertions(+), 32 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 767615ecdea5..368066010f94 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -464,6 +464,7 @@ struct drm_i915_display_funcs { struct intel_csr { struct work_struct work; const char *fw_path; + uint32_t required_version; uint32_t *dmc_payload; uint32_t dmc_fw_size; uint32_t version; diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c index 14cf4c367e36..9a60bb9cc443 100644 --- a/drivers/gpu/drm/i915/intel_csr.c +++ b/drivers/gpu/drm/i915/intel_csr.c @@ -284,7 +284,6 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, uint32_t max_fw_size = 0; uint32_t i; uint32_t *dmc_payload; - uint32_t required_version; if (!fw) return NULL; @@ -299,36 +298,19 @@ static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, return NULL; } - csr->version = css_header->version; - - if (csr->fw_path == i915_modparams.dmc_firmware_path) { - /* Bypass version check for firmware override. */ - required_version = csr->version; - } else if (IS_CANNONLAKE(dev_priv)) { - required_version = CNL_CSR_VERSION_REQUIRED; - } else if (IS_GEMINILAKE(dev_priv)) { - required_version = GLK_CSR_VERSION_REQUIRED; - } else if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { - required_version = KBL_CSR_VERSION_REQUIRED; - } else if (IS_SKYLAKE(dev_priv)) { - required_version = SKL_CSR_VERSION_REQUIRED; - } else if (IS_BROXTON(dev_priv)) { - required_version = BXT_CSR_VERSION_REQUIRED; - } else { - MISSING_CASE(INTEL_REVID(dev_priv)); - required_version = 0; - } - - if (csr->version != required_version) { + if (csr->required_version && + css_header->version != csr->required_version) { DRM_INFO("Refusing to load DMC firmware v%u.%u," " please use v%u.%u\n", - CSR_VERSION_MAJOR(csr->version), - CSR_VERSION_MINOR(csr->version), - CSR_VERSION_MAJOR(required_version), - CSR_VERSION_MINOR(required_version)); + CSR_VERSION_MAJOR(css_header->version), + CSR_VERSION_MINOR(css_header->version), + CSR_VERSION_MAJOR(csr->required_version), + CSR_VERSION_MINOR(csr->required_version)); return NULL; } + csr->version = css_header->version; + readcount += sizeof(struct intel_css_header); /* Extract Package Header information*/ @@ -469,18 +451,26 @@ void intel_csr_ucode_init(struct drm_i915_private *dev_priv) if (!HAS_CSR(dev_priv)) return; - if (i915_modparams.dmc_firmware_path) + if (i915_modparams.dmc_firmware_path) { csr->fw_path = i915_modparams.dmc_firmware_path; - else if (IS_CANNONLAKE(dev_priv)) + /* Bypass version check for firmware override. */ + csr->required_version = 0; + } else if (IS_CANNONLAKE(dev_priv)) { csr->fw_path = I915_CSR_CNL; - else if (IS_GEMINILAKE(dev_priv)) + csr->required_version = CNL_CSR_VERSION_REQUIRED; + } else if (IS_GEMINILAKE(dev_priv)) { csr->fw_path = I915_CSR_GLK; - else if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) + csr->required_version = GLK_CSR_VERSION_REQUIRED; + } else if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { csr->fw_path = I915_CSR_KBL; - else if (IS_SKYLAKE(dev_priv)) + csr->required_version = KBL_CSR_VERSION_REQUIRED; + } else if (IS_SKYLAKE(dev_priv)) { csr->fw_path = I915_CSR_SKL; - else if (IS_BROXTON(dev_priv)) + csr->required_version = SKL_CSR_VERSION_REQUIRED; + } else if (IS_BROXTON(dev_priv)) { csr->fw_path = I915_CSR_BXT; + csr->required_version = BXT_CSR_VERSION_REQUIRED; + } /* * Obtain a runtime pm reference, until CSR is loaded,