From patchwork Thu Sep 9 01:10:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Airlie X-Patchwork-Id: 12482133 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B34F1C433EF for ; Thu, 9 Sep 2021 01:11:46 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 81EF160F23 for ; Thu, 9 Sep 2021 01:11:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 81EF160F23 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E1BB46E40A; Thu, 9 Sep 2021 01:11:45 +0000 (UTC) Received: from us-smtp-delivery-44.mimecast.com (us-smtp-delivery-44.mimecast.com [205.139.111.44]) by gabe.freedesktop.org (Postfix) with ESMTPS id ADB946E40A for ; Thu, 9 Sep 2021 01:11:44 +0000 (UTC) Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-254-8_-VH0nIOniMYRjtwqCUKw-1; Wed, 08 Sep 2021 21:11:42 -0400 X-MC-Unique: 8_-VH0nIOniMYRjtwqCUKw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 969EE18414A0; Thu, 9 Sep 2021 01:11:41 +0000 (UTC) Received: from dreadlord-bne-redhat-com.bne.redhat.com (unknown [10.64.0.157]) by smtp.corp.redhat.com (Postfix) with ESMTP id 11D2E1972E; Thu, 9 Sep 2021 01:11:39 +0000 (UTC) From: Dave Airlie To: intel-gfx@lists.freedesktop.org Cc: jani.nikula@linux.intel.com, Dave Airlie , Jani Nikula Date: Thu, 9 Sep 2021 11:10:55 +1000 Message-Id: <20210909011100.2987971-19-airlied@gmail.com> In-Reply-To: <20210909011100.2987971-1-airlied@gmail.com> References: <20210909011100.2987971-1-airlied@gmail.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=airlied@gmail.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: gmail.com Subject: [Intel-gfx] [PATCH 18/23] drm/i915: constify the dpll clock vtable 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" From: Dave Airlie Most the dpll vtable into read-only memory. Reviewed-by: Jani Nikula Signed-off-by: Dave Airlie --- drivers/gpu/drm/i915/display/intel_display.c | 6 +-- drivers/gpu/drm/i915/display/intel_dpll.c | 48 ++++++++++++++++---- drivers/gpu/drm/i915/i915_drv.h | 2 +- 3 files changed, 44 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 02a9e684c86b..2e672b988343 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -6821,10 +6821,10 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state, crtc_state->update_wm_post = true; if (mode_changed && crtc_state->hw.enable && - dev_priv->dpll_funcs.crtc_compute_clock && + dev_priv->dpll_funcs && !crtc_state->bigjoiner_slave && !drm_WARN_ON(&dev_priv->drm, crtc_state->shared_dpll)) { - ret = dev_priv->dpll_funcs.crtc_compute_clock(crtc_state); + ret = dev_priv->dpll_funcs->crtc_compute_clock(crtc_state); if (ret) return ret; } @@ -8851,7 +8851,7 @@ static void intel_modeset_clear_plls(struct intel_atomic_state *state) struct intel_crtc *crtc; int i; - if (!dev_priv->dpll_funcs.crtc_compute_clock) + if (!dev_priv->dpll_funcs) return; for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c index 9326c7cbb05c..bfbbd9903b1a 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll.c +++ b/drivers/gpu/drm/i915/display/intel_dpll.c @@ -1363,25 +1363,57 @@ static int i8xx_crtc_compute_clock(struct intel_crtc_state *crtc_state) return 0; } +static const struct intel_dpll_funcs hsw_dpll_funcs = { + .crtc_compute_clock = hsw_crtc_compute_clock +}; + +static const struct intel_dpll_funcs ilk_dpll_funcs = { + .crtc_compute_clock = ilk_crtc_compute_clock +}; + +static const struct intel_dpll_funcs chv_dpll_funcs = { + .crtc_compute_clock = chv_crtc_compute_clock +}; + +static const struct intel_dpll_funcs vlv_dpll_funcs = { + .crtc_compute_clock = vlv_crtc_compute_clock +}; + +static const struct intel_dpll_funcs g4x_dpll_funcs = { + .crtc_compute_clock = g4x_crtc_compute_clock +}; + +static const struct intel_dpll_funcs pnv_dpll_funcs = { + .crtc_compute_clock = pnv_crtc_compute_clock +}; + +static const struct intel_dpll_funcs i9xx_dpll_funcs = { + .crtc_compute_clock = i9xx_crtc_compute_clock +}; + +static const struct intel_dpll_funcs i8xx_dpll_funcs = { + .crtc_compute_clock = i8xx_crtc_compute_clock +}; + void intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv) { if (DISPLAY_VER(dev_priv) >= 9 || HAS_DDI(dev_priv)) - dev_priv->dpll_funcs.crtc_compute_clock = hsw_crtc_compute_clock; + dev_priv->dpll_funcs = &hsw_dpll_funcs; else if (HAS_PCH_SPLIT(dev_priv)) - dev_priv->dpll_funcs.crtc_compute_clock = ilk_crtc_compute_clock; + dev_priv->dpll_funcs = &ilk_dpll_funcs; else if (IS_CHERRYVIEW(dev_priv)) - dev_priv->dpll_funcs.crtc_compute_clock = chv_crtc_compute_clock; + dev_priv->dpll_funcs = &chv_dpll_funcs; else if (IS_VALLEYVIEW(dev_priv)) - dev_priv->dpll_funcs.crtc_compute_clock = vlv_crtc_compute_clock; + dev_priv->dpll_funcs = &vlv_dpll_funcs; else if (IS_G4X(dev_priv)) - dev_priv->dpll_funcs.crtc_compute_clock = g4x_crtc_compute_clock; + dev_priv->dpll_funcs = &g4x_dpll_funcs; else if (IS_PINEVIEW(dev_priv)) - dev_priv->dpll_funcs.crtc_compute_clock = pnv_crtc_compute_clock; + dev_priv->dpll_funcs = &pnv_dpll_funcs; else if (DISPLAY_VER(dev_priv) != 2) - dev_priv->dpll_funcs.crtc_compute_clock = i9xx_crtc_compute_clock; + dev_priv->dpll_funcs = &i9xx_dpll_funcs; else - dev_priv->dpll_funcs.crtc_compute_clock = i8xx_crtc_compute_clock; + dev_priv->dpll_funcs = &i8xx_dpll_funcs; } static bool i9xx_has_pps(struct drm_i915_private *dev_priv) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 95f7a7a19a58..5ed624b9c3cc 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -994,7 +994,7 @@ struct drm_i915_private { const struct intel_fdi_funcs *fdi_funcs; /* display pll funcs */ - struct intel_dpll_funcs dpll_funcs; + const struct intel_dpll_funcs *dpll_funcs; /* Display functions */ struct drm_i915_display_funcs display;