From nobody Tue Oct 7 03:46:24 2025 Received: from out198-38.us.a.mail.aliyun.com (out198-38.us.a.mail.aliyun.com [47.90.198.38]) (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 73096271456 for ; Tue, 15 Jul 2025 07:52:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=47.90.198.38 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752565929; cv=none; b=Mzp8Pq0AuO/vqf1DiJrkgVm1fvOVQKzfCZeHr/xBHVq2sf1xRWpy8Y/ucYIG9H3+OUp69NTsONOfq/NAXuPczrK8vvzhGJVne0WRrPpyXSHNoJcMOkQhYV/NWLMlnS+nWphi8uU1fpNAKs67GX2Re56TMbyTvYw6ULUpgmAN2JY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752565929; c=relaxed/simple; bh=Wds4b9jiWLRauaO2sAZY5rVDWujRKCrqzOiR8YGjCng=; h=From:To:Subject:Date:Message-Id:MIME-Version; b=fwY9TtZ/w+WNJyHtcDSVfP8G1Tnqsg9nt+uvJgD1cQu2Rp2S62gDoMk7HPaAmo9N7bcAGy4NOWb7kVV7fsZIL+xBHW/1mC0AfHSA1r9rHxXLSRDE7MiPIjfRlN4n/tebTZCq/pN5kma2oNltEWIw0SB85jffdTmgZ+uYoZjKGNI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=bosc.ac.cn; spf=pass smtp.mailfrom=bosc.ac.cn; arc=none smtp.client-ip=47.90.198.38 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=bosc.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bosc.ac.cn Received: from aliyun.com(mailfrom:zhangzhijie@bosc.ac.cn fp:SMTPD_---.dnAL8W3_1752564970 cluster:ay29) by smtp.aliyun-inc.com; Tue, 15 Jul 2025 15:36:11 +0800 From: zhangzhijie To: zhangzhijie@bosc.ac.cn, wangran@bosc.ac.cn, zhangjian@bosc.ac.cn, daniel@ffwll.ch, jani.nikula@linux.intel.com, rodrigo.vivi@intel.com, joonas.lahtinen@linux.intel.com, tursulin@ursulin.net, airlied@gmail.com, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] drm/xe: Support Intel Xe GPU dirver Porting on RISC-V Architecture Date: Tue, 15 Jul 2025 15:36:08 +0800 Message-Id: <20250715073608.2387698-1-zhangzhijie@bosc.ac.cn> X-Mailer: git-send-email 2.34.1 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" inb/outb speccial wire not support on other ARCH. Should detect whether arch platform support or not. Signed-off-by: zhangzhijie --- drivers/gpu/drm/i915/display/intel_vga.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_vga.c b/drivers/gpu/drm/i91= 5/display/intel_vga.c index 4b98833bfa8c..5e48e3282670 100644 --- a/drivers/gpu/drm/i915/display/intel_vga.c +++ b/drivers/gpu/drm/i915/display/intel_vga.c @@ -33,6 +33,7 @@ void intel_vga_disable(struct drm_i915_private *dev_priv) if (intel_de_read(dev_priv, vga_reg) & VGA_DISP_DISABLE) return; =20 +#if defined(CONFIG_X86) || defined(CONFIG_X86_64) /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */ vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO); outb(0x01, VGA_SEQ_I); @@ -40,6 +41,7 @@ void intel_vga_disable(struct drm_i915_private *dev_priv) outb(sr1 | VGA_SR01_SCREEN_OFF, VGA_SEQ_D); vga_put(pdev, VGA_RSRC_LEGACY_IO); udelay(300); +#endif =20 intel_de_write(dev_priv, vga_reg, VGA_DISP_DISABLE); intel_de_posting_read(dev_priv, vga_reg); @@ -80,6 +82,7 @@ void intel_vga_redisable(struct drm_i915_private *i915) =20 void intel_vga_reset_io_mem(struct drm_i915_private *i915) { +#if defined(CONFIG_X86) || defined(CONFIG_X86_64) struct pci_dev *pdev =3D to_pci_dev(i915->drm.dev); =20 /* @@ -95,6 +98,7 @@ void intel_vga_reset_io_mem(struct drm_i915_private *i915) vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO); outb(inb(VGA_MIS_R), VGA_MIS_W); vga_put(pdev, VGA_RSRC_LEGACY_IO); +#endif } =20 int intel_vga_register(struct drm_i915_private *i915) --=20 2.34.1