From nobody Mon Feb 9 01:45:13 2026 Received: from mx.treblig.org (mx.treblig.org [46.235.229.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B7B381A3177 for ; Sat, 8 Mar 2025 23:44:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.229.95 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741477476; cv=none; b=CWWeSaStvgPVZNOfp+ojotPwq1GVJ/DC5lEiIzvTjzFx633ZX3gLI50BhnBC5s94VgKqoY64cI1lp2Rka5sIV6UN+gRzF/CZXguCta1yMxVG/KlQcxTG96lXbs9fE9r2wunXAy138rjeH9/0Fz5kNbGeo0v+/VmWgWPa6QYnSkE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741477476; c=relaxed/simple; bh=5n+U689q3p5e2ChF/H4lRTmn+Y8EFyxdg2R8N6J4Hr0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=aRq21sOxhT9rI+Jt53GU87VXRDqKuTeINCH4GXl4AZcfPoEL795TXl+f1FZsXvX3ox/dNTuIwViIY32dHmRZXKA2VB5yeTe6LyMw+MawmUlCXEvs6BDb/fReFfuyAzY4CuOkv6xtnEZK8DekibxkRQuHuq+NSSUafP0sPs5AxJM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org; spf=pass smtp.mailfrom=treblig.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b=oZ/g9b/J; arc=none smtp.client-ip=46.235.229.95 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=treblig.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b="oZ/g9b/J" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=treblig.org ; s=bytemarkmx; h=MIME-Version:Message-ID:Date:Subject:From:Content-Type:From :Subject; bh=LFSdD4kJ7yJc6B+RnrYL9iqh3L8Tq6imwJSAk9Z8eLU=; b=oZ/g9b/JQEXaZehe GpFGXO0MdL/YPTAiXJ1zTBONKDn6qIv/2PUcvoASEGQetPPS4Vlt2r/fuBCPpEVOt4p4kyrdlP9dj FcNIhiC8m/0ZrFxNj+idcnhToTOHhf8npyDIrgLyhTJe+07is+b3GC3JytqgTN3ABeMUU5FdmW/qb mbFmk64b/oCE5zj9odHezNnG77Sw7/W/EO7tP0RgptJohO+as1/eM/rsp8mifwgQsaZImTAXlg8Lh LMqQjl2iJUdDyuLo0WuR/Ca+CCGX0ECLk2FQHY8uXYP91PZnBZsQRqK8yzQUp+ngy+Pq2fzsnL1Ad aH+ZuSOlT4X4FrYKZQ==; Received: from localhost ([127.0.0.1] helo=dalek.home.treblig.org) by mx.treblig.org with esmtp (Exim 4.96) (envelope-from ) id 1tr3qH-003f1I-0L; Sat, 08 Mar 2025 23:44:29 +0000 From: linux@treblig.org To: patrik.r.jakobsson@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de Cc: airlied@gmail.com, simona@ffwll.ch, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, "Dr. David Alan Gilbert" Subject: [PATCH] drm/gma500: Remove unused psb_mmu_virtual_to_pfn Date: Sat, 8 Mar 2025 23:44:28 +0000 Message-ID: <20250308234428.255164-1-linux@treblig.org> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: "Dr. David Alan Gilbert" psb_mmu_virtual_to_pfn() was added in 2011 by commit 8c8f1c958ab5 ("gma500: introduce the GTT and MMU handling logic") but hasn't been used. Remove it. Signed-off-by: Dr. David Alan Gilbert --- drivers/gpu/drm/gma500/mmu.c | 41 ------------------------------------ drivers/gpu/drm/gma500/mmu.h | 2 -- 2 files changed, 43 deletions(-) diff --git a/drivers/gpu/drm/gma500/mmu.c b/drivers/gpu/drm/gma500/mmu.c index 4d78b33eaa82..e6753282e70e 100644 --- a/drivers/gpu/drm/gma500/mmu.c +++ b/drivers/gpu/drm/gma500/mmu.c @@ -730,44 +730,3 @@ int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct= page **pages, =20 return ret; } - -int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual, - unsigned long *pfn) -{ - int ret; - struct psb_mmu_pt *pt; - uint32_t tmp; - spinlock_t *lock =3D &pd->driver->lock; - - down_read(&pd->driver->sem); - pt =3D psb_mmu_pt_map_lock(pd, virtual); - if (!pt) { - uint32_t *v; - - spin_lock(lock); - v =3D kmap_atomic(pd->p); - tmp =3D v[psb_mmu_pd_index(virtual)]; - kunmap_atomic(v); - spin_unlock(lock); - - if (tmp !=3D pd->invalid_pde || !(tmp & PSB_PTE_VALID) || - !(pd->invalid_pte & PSB_PTE_VALID)) { - ret =3D -EINVAL; - goto out; - } - ret =3D 0; - *pfn =3D pd->invalid_pte >> PAGE_SHIFT; - goto out; - } - tmp =3D pt->v[psb_mmu_pt_index(virtual)]; - if (!(tmp & PSB_PTE_VALID)) { - ret =3D -EINVAL; - } else { - ret =3D 0; - *pfn =3D tmp >> PAGE_SHIFT; - } - psb_mmu_pt_unmap_unlock(pt); -out: - up_read(&pd->driver->sem); - return ret; -} diff --git a/drivers/gpu/drm/gma500/mmu.h b/drivers/gpu/drm/gma500/mmu.h index d4b5720ef08e..e6d39703718c 100644 --- a/drivers/gpu/drm/gma500/mmu.h +++ b/drivers/gpu/drm/gma500/mmu.h @@ -71,8 +71,6 @@ extern int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd = *pd, uint32_t start_pfn, unsigned long address, uint32_t num_pages, int type); -extern int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual, - unsigned long *pfn); extern void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context); extern int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages, unsigned long address, uint32_t num_pages, --=20 2.48.1