From nobody Sun Nov 9 15:04:31 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1550824028698504.26017602184027; Fri, 22 Feb 2019 00:27:08 -0800 (PST) Received: from localhost ([127.0.0.1]:46875 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gx6Ab-0003aO-6R for importer@patchew.org; Fri, 22 Feb 2019 03:26:57 -0500 Received: from eggs.gnu.org ([209.51.188.92]:50983) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gx68l-0002cP-My for qemu-devel@nongnu.org; Fri, 22 Feb 2019 03:25:05 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gx68k-0007Iy-82 for qemu-devel@nongnu.org; Fri, 22 Feb 2019 03:25:03 -0500 Received: from mx1.redhat.com ([209.132.183.28]:33036) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gx68j-0007DF-Se for qemu-devel@nongnu.org; Fri, 22 Feb 2019 03:25:02 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E02DE3082B21 for ; Fri, 22 Feb 2019 08:24:49 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-228.ams2.redhat.com [10.36.116.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9FA4F5C5E0; Fri, 22 Feb 2019 08:24:47 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 0B72416E05; Fri, 22 Feb 2019 09:24:37 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Fri, 22 Feb 2019 09:24:36 +0100 Message-Id: <20190222082436.23029-6-kraxel@redhat.com> In-Reply-To: <20190222082436.23029-1-kraxel@redhat.com> References: <20190222082436.23029-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Fri, 22 Feb 2019 08:24:49 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 5/5] display/virtio: add edid support. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gerd Hoffmann , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This patch adds EDID support to the family of virtio-gpu devices. It is turned off by default, use the new edid property to enable it. Signed-off-by: Gerd Hoffmann Message-id: 20190221081054.13853-1-kraxel@redhat.com --- include/hw/virtio/virtio-gpu.h | 5 +++++ hw/display/virtio-gpu-3d.c | 3 +++ hw/display/virtio-gpu.c | 43 ++++++++++++++++++++++++++++++++++++++= ++++ hw/display/trace-events | 1 + 4 files changed, 52 insertions(+) diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index 26a669826688..98504f907583 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -61,12 +61,15 @@ struct virtio_gpu_requested_state { enum virtio_gpu_conf_flags { VIRTIO_GPU_FLAG_VIRGL_ENABLED =3D 1, VIRTIO_GPU_FLAG_STATS_ENABLED, + VIRTIO_GPU_FLAG_EDID_ENABLED, }; =20 #define virtio_gpu_virgl_enabled(_cfg) \ (_cfg.flags & (1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED)) #define virtio_gpu_stats_enabled(_cfg) \ (_cfg.flags & (1 << VIRTIO_GPU_FLAG_STATS_ENABLED)) +#define virtio_gpu_edid_enabled(_cfg) \ + (_cfg.flags & (1 << VIRTIO_GPU_FLAG_EDID_ENABLED)) =20 struct virtio_gpu_conf { uint64_t max_hostmem; @@ -155,6 +158,8 @@ void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g, enum virtio_gpu_ctrl_type type); void virtio_gpu_get_display_info(VirtIOGPU *g, struct virtio_gpu_ctrl_command *cmd); +void virtio_gpu_get_edid(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd); int virtio_gpu_create_mapping_iov(VirtIOGPU *g, struct virtio_gpu_resource_attach_backin= g *ab, struct virtio_gpu_ctrl_command *cmd, diff --git a/hw/display/virtio-gpu-3d.c b/hw/display/virtio-gpu-3d.c index cb83479ed214..2d302526ab86 100644 --- a/hw/display/virtio-gpu-3d.c +++ b/hw/display/virtio-gpu-3d.c @@ -463,6 +463,9 @@ void virtio_gpu_virgl_process_cmd(VirtIOGPU *g, case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: virtio_gpu_get_display_info(g, cmd); break; + case VIRTIO_GPU_CMD_GET_EDID: + virtio_gpu_get_edid(g, cmd); + break; default: cmd->error =3D VIRTIO_GPU_RESP_ERR_UNSPEC; break; diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 0baa9ac0ad0e..a3627f58a9dd 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -21,6 +21,7 @@ #include "hw/virtio/virtio.h" #include "hw/virtio/virtio-gpu.h" #include "hw/virtio/virtio-bus.h" +#include "hw/display/edid.h" #include "migration/blocker.h" #include "qemu/log.h" #include "qapi/error.h" @@ -207,6 +208,9 @@ static uint64_t virtio_gpu_get_features(VirtIODevice *v= dev, uint64_t features, if (virtio_gpu_virgl_enabled(g->conf)) { features |=3D (1 << VIRTIO_GPU_F_VIRGL); } + if (virtio_gpu_edid_enabled(g->conf)) { + features |=3D (1 << VIRTIO_GPU_F_EDID); + } return features; } =20 @@ -301,6 +305,40 @@ void virtio_gpu_get_display_info(VirtIOGPU *g, sizeof(display_info)); } =20 +static void +virtio_gpu_generate_edid(VirtIOGPU *g, int scanout, + struct virtio_gpu_resp_edid *edid) +{ + qemu_edid_info info =3D { + .prefx =3D g->req_state[scanout].width, + .prefy =3D g->req_state[scanout].height, + }; + + edid->size =3D cpu_to_le32(sizeof(edid->edid)); + qemu_edid_generate(edid->edid, sizeof(edid->edid), &info); +} + +void virtio_gpu_get_edid(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_resp_edid edid; + struct virtio_gpu_cmd_get_edid get_edid; + + VIRTIO_GPU_FILL_CMD(get_edid); + virtio_gpu_bswap_32(&get_edid, sizeof(get_edid)); + + if (get_edid.scanout >=3D g->conf.max_outputs) { + cmd->error =3D VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; + return; + } + + trace_virtio_gpu_cmd_get_edid(get_edid.scanout); + memset(&edid, 0, sizeof(edid)); + edid.hdr.type =3D VIRTIO_GPU_RESP_OK_EDID; + virtio_gpu_generate_edid(g, get_edid.scanout, &edid); + virtio_gpu_ctrl_response(g, cmd, &edid.hdr, sizeof(edid)); +} + static pixman_format_code_t get_pixman_format(uint32_t virtio_gpu_format) { switch (virtio_gpu_format) { @@ -839,6 +877,9 @@ static void virtio_gpu_simple_process_cmd(VirtIOGPU *g, case VIRTIO_GPU_CMD_GET_DISPLAY_INFO: virtio_gpu_get_display_info(g, cmd); break; + case VIRTIO_GPU_CMD_GET_EDID: + virtio_gpu_get_edid(g, cmd); + break; case VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: virtio_gpu_resource_create_2d(g, cmd); break; @@ -1369,6 +1410,8 @@ static Property virtio_gpu_properties[] =3D { DEFINE_PROP_BIT("stats", VirtIOGPU, conf.flags, VIRTIO_GPU_FLAG_STATS_ENABLED, false), #endif + DEFINE_PROP_BIT("edid", VirtIOGPU, conf.flags, + VIRTIO_GPU_FLAG_EDID_ENABLED, false), DEFINE_PROP_UINT32("xres", VirtIOGPU, conf.xres, 1024), DEFINE_PROP_UINT32("yres", VirtIOGPU, conf.yres, 768), DEFINE_PROP_END_OF_LIST(), diff --git a/hw/display/trace-events b/hw/display/trace-events index 387c6b893183..37d3264bb2e6 100644 --- a/hw/display/trace-events +++ b/hw/display/trace-events @@ -35,6 +35,7 @@ vmware_setmode(uint32_t w, uint32_t h, uint32_t bpp) "%dx= %d @ %d bpp" # hw/display/virtio-gpu.c virtio_gpu_features(bool virgl) "virgl %d" virtio_gpu_cmd_get_display_info(void) "" +virtio_gpu_cmd_get_edid(uint32_t scanout) "scanout %d" virtio_gpu_cmd_set_scanout(uint32_t id, uint32_t res, uint32_t w, uint32_t= h, uint32_t x, uint32_t y) "id %d, res 0x%x, w %d, h %d, x %d, y %d" virtio_gpu_cmd_res_create_2d(uint32_t res, uint32_t fmt, uint32_t w, uint3= 2_t h) "res 0x%x, fmt 0x%x, w %d, h %d" virtio_gpu_cmd_res_create_3d(uint32_t res, uint32_t fmt, uint32_t w, uint3= 2_t h, uint32_t d) "res 0x%x, fmt 0x%x, w %d, h %d, d %d" --=20 2.9.3