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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 C68ADC33CAD for ; Mon, 13 Jan 2020 12:15:09 +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 A76732075B for ; Mon, 13 Jan 2020 12:15:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A76732075B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CB72C89AA7; Mon, 13 Jan 2020 12:15:06 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7C592897DC; Mon, 13 Jan 2020 12:15:05 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Jan 2020 04:15:04 -0800 X-IronPort-AV: E=Sophos;i="5.69,428,1571727600"; d="scan'208";a="372249092" Received: from jnikula-mobl3.fi.intel.com (HELO localhost) ([10.237.66.161]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Jan 2020 04:14:59 -0800 From: Jani Nikula To: Pankaj Bharadiya , daniel@ffwll.ch, sam@ravnborg.org, sudeep.dutt@intel.com, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Joonas Lahtinen , Rodrigo Vivi , David Airlie , Zhenyu Wang , Zhi Wang , Chris Wilson , Ville =?utf-8?B?U3lyasOkbMOk?= , Maarten Lankhorst , Imre Deak , Ramalingam C Subject: Re: [Intel-gfx] [PATCH 2/6] drm/i915: add helper functions to get device ptr In-Reply-To: <20200113115557.32713-3-pankaj.laxminarayan.bharadiya@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20200113115557.32713-1-pankaj.laxminarayan.bharadiya@intel.com> <20200113115557.32713-3-pankaj.laxminarayan.bharadiya@intel.com> Date: Mon, 13 Jan 2020 14:14:51 +0200 Message-ID: <87imlfmu2s.fsf@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pankaj.laxminaryan.bharadiya@outlook.iglb.intel.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Mon, 13 Jan 2020, Pankaj Bharadiya wrote: > We will need struct drm_device pointer to pass it to drm_WARN* calls. > > Add helper functions to exract drm_device pointer from various structs. Please don't do this. We use the helpers we currently have when they involve something more complex than dereferences, such as container_of() or having to use dev_get_drvdata() or pci_get_drvdata(). I really don't want people to use e.g. i915_to_dev(i915) over &i915->drm BR, Jani. > > Signed-off-by: Pankaj Bharadiya > --- > drivers/gpu/drm/i915/display/intel_display_types.h | 14 ++++++++++++++ > drivers/gpu/drm/i915/gvt/gvt.h | 5 +++++ > drivers/gpu/drm/i915/i915_drv.h | 11 +++++++++++ > 3 files changed, 30 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h > index 7964b3dc0046..765878718fe9 100644 > --- a/drivers/gpu/drm/i915/display/intel_display_types.h > +++ b/drivers/gpu/drm/i915/display/intel_display_types.h > @@ -1521,6 +1521,20 @@ dp_to_i915(struct intel_dp *intel_dp) > return to_i915(dp_to_dig_port(intel_dp)->base.base.dev); > } > > +static inline struct drm_device *enc_to_dev(const struct intel_encoder *encoder) > +{ > + return encoder->base.dev; > +} > + > +static inline struct drm_device * > +crtc_state_to_dev(const struct intel_crtc_state *state) > +{ > + struct intel_crtc *crtc = to_intel_crtc(state->uapi.crtc); > + struct drm_i915_private *i915 = to_i915(crtc->base.dev); > + > + return i915_to_dev(i915); > +} > + > static inline struct intel_digital_port * > hdmi_to_dig_port(struct intel_hdmi *intel_hdmi) > { > diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h > index b47c6acaf9c0..d257399b075a 100644 > --- a/drivers/gpu/drm/i915/gvt/gvt.h > +++ b/drivers/gpu/drm/i915/gvt/gvt.h > @@ -348,6 +348,11 @@ static inline struct intel_gvt *to_gvt(struct drm_i915_private *i915) > return i915->gvt; > } > > +static inline struct drm_device *vgpu_to_dev(const struct intel_vgpu *vgpu) > +{ > + return i915_to_dev(vgpu->gvt->dev_priv); > +} > + > enum { > INTEL_GVT_REQUEST_EMULATE_VBLANK = 0, > > diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h > index e7be4c3e43c6..bdc89d021ff8 100644 > --- a/drivers/gpu/drm/i915/i915_drv.h > +++ b/drivers/gpu/drm/i915/i915_drv.h > @@ -1325,6 +1325,17 @@ static inline struct drm_i915_private *pdev_to_i915(struct pci_dev *pdev) > return pci_get_drvdata(pdev); > } > > +static inline struct drm_device *i915_to_dev(struct drm_i915_private *i915) > +{ > + return &i915->drm; > +} > + > +static inline struct drm_device * > +perf_stream_to_dev(const struct i915_perf_stream *stream) > +{ > + return i915_to_dev(stream->perf->i915); > +} > + > /* Simple iterator over all initialised engines */ > #define for_each_engine(engine__, dev_priv__, id__) \ > for ((id__) = 0; \ -- Jani Nikula, Intel Open Source Graphics Center _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel