From patchwork Tue Dec 10 09:28:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jocelyn Falempe X-Patchwork-Id: 13901109 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 A2B9DE7717F for ; Tue, 10 Dec 2024 09:36:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2595C10E849; Tue, 10 Dec 2024 09:36:37 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="HJablYdK"; dkim-atps=neutral Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 00C9D10E858 for ; Tue, 10 Dec 2024 09:36:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1733823395; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LLFrnYQ41CCOjuPl6f8oeYH5LOqoEfmgCGYQJHMDPKs=; b=HJablYdKl5Wi3eraIuLGCiiFalYcPPqzzl+1piH95Qc5FGM2f2NWW1/ua1TVwkLmVgtpt0 CXeOHy3vlH8a5EyysJHF+4tSFLdkZPw/bBGZN0GQGnSXCFYrQSQMMEUURWsO2kTaKcSr3C qTixZCljnmykyrhjw2H+5znLiiedN4M= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-647-fCaUkOwjM366NjmNrt3Mwg-1; Tue, 10 Dec 2024 04:36:29 -0500 X-MC-Unique: fCaUkOwjM366NjmNrt3Mwg-1 X-Mimecast-MFC-AGG-ID: fCaUkOwjM366NjmNrt3Mwg Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id EF1251955DB9; Tue, 10 Dec 2024 09:36:27 +0000 (UTC) Received: from hydra.redhat.com (unknown [10.39.193.39]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id A31BF195608A; Tue, 10 Dec 2024 09:36:24 +0000 (UTC) From: Jocelyn Falempe To: Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , David Airlie , Simona Vetter , intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: Jocelyn Falempe Subject: [PATCH v3 1/6] drm/i915/fbdev: Add intel_fbdev_get_vaddr() Date: Tue, 10 Dec 2024 10:28:41 +0100 Message-ID: <20241210093505.589893-2-jfalempe@redhat.com> In-Reply-To: <20241210093505.589893-1-jfalempe@redhat.com> References: <20241210093505.589893-1-jfalempe@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The vaddr of the fbdev framebuffer is private to the struct intel_fbdev, so this function is needed to access it for drm_panic. Also the struct i915_vma is different between i915 and xe, so it requires a few functions to access fbdev->vma->iomap. Signed-off-by: Jocelyn Falempe --- v2: * Add intel_fb_get_vaddr() and i915_vma_get_iomap() to build with Xe driver. drivers/gpu/drm/i915/display/intel_fb_pin.c | 5 +++++ drivers/gpu/drm/i915/display/intel_fb_pin.h | 1 + drivers/gpu/drm/i915/display/intel_fbdev.c | 5 +++++ drivers/gpu/drm/i915/display/intel_fbdev.h | 6 ++++++ drivers/gpu/drm/i915/i915_vma.h | 5 +++++ drivers/gpu/drm/xe/display/xe_fb_pin.c | 5 +++++ 6 files changed, 27 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_fb_pin.c b/drivers/gpu/drm/i915/display/intel_fb_pin.c index d3a86f9c6bc86..c44019c7ab56b 100644 --- a/drivers/gpu/drm/i915/display/intel_fb_pin.c +++ b/drivers/gpu/drm/i915/display/intel_fb_pin.c @@ -327,3 +327,8 @@ void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state) intel_dpt_unpin_from_ggtt(fb->dpt_vm); } } + +void *intel_fb_get_vaddr(struct i915_vma *vma) +{ + return i915_vma_get_iomap(vma); +} diff --git a/drivers/gpu/drm/i915/display/intel_fb_pin.h b/drivers/gpu/drm/i915/display/intel_fb_pin.h index ac0319b53af08..0141f5f2b1c7a 100644 --- a/drivers/gpu/drm/i915/display/intel_fb_pin.h +++ b/drivers/gpu/drm/i915/display/intel_fb_pin.h @@ -25,5 +25,6 @@ void intel_fb_unpin_vma(struct i915_vma *vma, unsigned long flags); int intel_plane_pin_fb(struct intel_plane_state *plane_state); void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state); +void *intel_fb_get_vaddr(struct i915_vma *vma); #endif diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index 00852ff5b2470..1d12d1c047d02 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -695,3 +695,8 @@ struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbdev *fbdev) return to_intel_framebuffer(fbdev->helper.fb); } + +void *intel_fbdev_get_vaddr(struct intel_fbdev *fbdev) +{ + return intel_fb_get_vaddr(fbdev->vma); +} diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.h b/drivers/gpu/drm/i915/display/intel_fbdev.h index 08de2d5b34338..f033d4f1efe96 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.h +++ b/drivers/gpu/drm/i915/display/intel_fbdev.h @@ -17,6 +17,7 @@ struct intel_framebuffer; void intel_fbdev_setup(struct drm_i915_private *dev_priv); void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous); struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbdev *fbdev); +void *intel_fbdev_get_vaddr(struct intel_fbdev *fbdev); #else static inline void intel_fbdev_setup(struct drm_i915_private *dev_priv) { @@ -30,6 +31,11 @@ static inline struct intel_framebuffer *intel_fbdev_framebuffer(struct intel_fbd { return NULL; } + +static inline void *intel_fbdev_get_vaddr(struct intel_fbdev *fbdev) +{ + return NULL; +} #endif #endif /* __INTEL_FBDEV_H__ */ diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h index 6a6be8048aa83..4ae610927fa77 100644 --- a/drivers/gpu/drm/i915/i915_vma.h +++ b/drivers/gpu/drm/i915/i915_vma.h @@ -353,6 +353,11 @@ static inline bool i915_node_color_differs(const struct drm_mm_node *node, return drm_mm_node_allocated(node) && node->color != color; } +static inline void __iomem *i915_vma_get_iomap(struct i915_vma *vma) +{ + return READ_ONCE(vma->iomap); +} + /** * i915_vma_pin_iomap - calls ioremap_wc to map the GGTT VMA via the aperture * @vma: VMA to iomap diff --git a/drivers/gpu/drm/xe/display/xe_fb_pin.c b/drivers/gpu/drm/xe/display/xe_fb_pin.c index 761510ae06904..576b1e98f39cd 100644 --- a/drivers/gpu/drm/xe/display/xe_fb_pin.c +++ b/drivers/gpu/drm/xe/display/xe_fb_pin.c @@ -421,3 +421,8 @@ u64 intel_dpt_offset(struct i915_vma *dpt_vma) { return 0; } + +void *intel_fb_get_vaddr(struct i915_vma *vma) +{ + return NULL; +}