From patchwork Mon Apr 16 05:51:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Tina" X-Patchwork-Id: 10342197 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 73A8F60542 for ; Mon, 16 Apr 2018 05:56:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5E1E92842B for ; Mon, 16 Apr 2018 05:56:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5163D28438; Mon, 16 Apr 2018 05:56:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D22732842B for ; Mon, 16 Apr 2018 05:56:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A28526E2B6; Mon, 16 Apr 2018 05:56:42 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id DFC066E2B7; Mon, 16 Apr 2018 05:56:40 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Apr 2018 22:56:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,458,1517904000"; d="scan'208";a="216867418" Received: from tinazhang-linux-1.bj.intel.com ([10.238.158.97]) by orsmga005.jf.intel.com with ESMTP; 15 Apr 2018 22:56:38 -0700 From: Tina Zhang To: zhenyuw@linux.intel.com Date: Mon, 16 Apr 2018 13:51:38 +0800 Message-Id: <1523857898-9107-1-git-send-email-tina.zhang@intel.com> X-Mailer: git-send-email 2.7.4 Subject: [Intel-gfx] [PATCH v4] drm/i915/gvt: Deliver guest cursor hotspot info X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, kraxel@redhat.com MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Guest OS driver uses PV info registers to deliver cursor hotspot info to host. This patch is used to get cursor hotspot info from virtual registers and deliver it to host userspace. v3->v4: - return UINT_MAX when x_hot/y_hot is invalid. (Zhenyu) - correct version. v2->v3: - add validate_hotspot(). (Zhenyu) v1->v2: - name as cursor_x_hot/cursor_y_hot. (Zhenyu) - use i915_reg_t definition instead of magic numbers. (Zhenyu) Signed-off-by: Tina Zhang Cc: Zhenyu Wang Cc: Zhi Wang Cc: Gerd Hoffmann --- drivers/gpu/drm/i915/gvt/dmabuf.c | 22 ++++++++++++++++------ drivers/gpu/drm/i915/gvt/fb_decoder.c | 3 +++ drivers/gpu/drm/i915/gvt/handlers.c | 4 ++-- drivers/gpu/drm/i915/gvt/vgpu.c | 3 +++ drivers/gpu/drm/i915/i915_pvinfo.h | 5 ++++- 5 files changed, 28 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/gvt/dmabuf.c b/drivers/gpu/drm/i915/gvt/dmabuf.c index 6f4f8e9..a7c7082 100644 --- a/drivers/gpu/drm/i915/gvt/dmabuf.c +++ b/drivers/gpu/drm/i915/gvt/dmabuf.c @@ -192,6 +192,14 @@ static struct drm_i915_gem_object *vgpu_create_gem(struct drm_device *dev, return obj; } +static bool validate_hotspot(struct intel_vgpu_cursor_plane_format *c) +{ + if (c && (c->x_hot <= c->width) && (c->y_hot <= c->height)) + return true; + else + return false; +} + static int vgpu_get_plane_info(struct drm_device *dev, struct intel_vgpu *vgpu, struct intel_vgpu_fb_info *info, @@ -229,12 +237,14 @@ static int vgpu_get_plane_info(struct drm_device *dev, info->x_pos = c.x_pos; info->y_pos = c.y_pos; - /* The invalid cursor hotspot value is delivered to host - * until we find a way to get the cursor hotspot info of - * guest OS. - */ - info->x_hot = UINT_MAX; - info->y_hot = UINT_MAX; + if (validate_hotspot(&c)) { + info->x_hot = c.x_hot; + info->y_hot = c.y_hot; + } else { + info->x_hot = UINT_MAX; + info->y_hot = UINT_MAX; + } + info->size = (((info->stride * c.height * c.bpp) / 8) + (PAGE_SIZE - 1)) >> PAGE_SHIFT; } else { diff --git a/drivers/gpu/drm/i915/gvt/fb_decoder.c b/drivers/gpu/drm/i915/gvt/fb_decoder.c index 1c12068..5e7468b 100644 --- a/drivers/gpu/drm/i915/gvt/fb_decoder.c +++ b/drivers/gpu/drm/i915/gvt/fb_decoder.c @@ -36,6 +36,7 @@ #include #include "i915_drv.h" #include "gvt.h" +#include "i915_pvinfo.h" #define PRIMARY_FORMAT_NUM 16 struct pixel_format { @@ -384,6 +385,8 @@ int intel_vgpu_decode_cursor_plane(struct intel_vgpu *vgpu, plane->y_pos = (val & _CURSOR_POS_Y_MASK) >> _CURSOR_POS_Y_SHIFT; plane->y_sign = (val & _CURSOR_SIGN_Y_MASK) >> _CURSOR_SIGN_Y_SHIFT; + plane->x_hot = vgpu_vreg_t(vgpu, vgtif_reg(cursor_x_hot)); + plane->y_hot = vgpu_vreg_t(vgpu, vgtif_reg(cursor_y_hot)); return 0; } diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index a33c1c3e..2c824a9 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -1201,8 +1201,8 @@ static int pvinfo_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, ret = handle_g2v_notification(vgpu, data); break; /* add xhot and yhot to handled list to avoid error log */ - case 0x78830: - case 0x78834: + case _vgtif_reg(cursor_x_hot): + case _vgtif_reg(cursor_y_hot): case _vgtif_reg(pdp[0].lo): case _vgtif_reg(pdp[0].hi): case _vgtif_reg(pdp[1].lo): diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c index 2e0a02a..bf75300 100644 --- a/drivers/gpu/drm/i915/gvt/vgpu.c +++ b/drivers/gpu/drm/i915/gvt/vgpu.c @@ -58,6 +58,9 @@ void populate_pvinfo_page(struct intel_vgpu *vgpu) vgpu_vreg_t(vgpu, vgtif_reg(avail_rs.fence_num)) = vgpu_fence_sz(vgpu); + vgpu_vreg_t(vgpu, vgtif_reg(cursor_x_hot)) = UINT_MAX; + vgpu_vreg_t(vgpu, vgtif_reg(cursor_y_hot)) = UINT_MAX; + gvt_dbg_core("Populate PVINFO PAGE for vGPU %d\n", vgpu->id); gvt_dbg_core("aperture base [GMADR] 0x%llx size 0x%llx\n", vgpu_aperture_gmadr_base(vgpu), vgpu_aperture_sz(vgpu)); diff --git a/drivers/gpu/drm/i915/i915_pvinfo.h b/drivers/gpu/drm/i915/i915_pvinfo.h index 195203f..d61914a 100644 --- a/drivers/gpu/drm/i915/i915_pvinfo.h +++ b/drivers/gpu/drm/i915/i915_pvinfo.h @@ -93,7 +93,10 @@ struct vgt_if { u32 rsv5[4]; u32 g2v_notify; - u32 rsv6[7]; + u32 rsv6[5]; + + u32 cursor_x_hot; + u32 cursor_y_hot; struct { u32 lo;