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GET /api/patches/2196984/?format=api
{ "id": 2196984, "url": "http://patchwork.ozlabs.org/api/patches/2196984/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260216191213.2556073-17-dmitry.osipenko@collabora.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260216191213.2556073-17-dmitry.osipenko@collabora.com>", "list_archive_url": null, "date": "2026-02-16T19:12:11", "name": "[v17,16/18] virtio-gpu: Replace finish_unmapping with mapping_state", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "ae11fe1920882cd24941b203923d3eab4aacd76d", "submitter": { "id": 83453, "url": "http://patchwork.ozlabs.org/api/people/83453/?format=api", "name": "Dmitry Osipenko", "email": "dmitry.osipenko@collabora.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260216191213.2556073-17-dmitry.osipenko@collabora.com/mbox/", "series": [ { "id": 492344, "url": "http://patchwork.ozlabs.org/api/series/492344/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492344", "date": "2026-02-16T19:11:55", "name": "Support virtio-gpu DRM native context and MAP_FIXED API", "version": 17, "mbox": "http://patchwork.ozlabs.org/series/492344/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196984/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196984/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=collabora.com header.i=dmitry.osipenko@collabora.com\n header.a=rsa-sha256 header.s=zohomail header.b=QUkNkEZU;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Mon, 16 Feb 2026 14:14:44 -0500", "by mx.zohomail.com with SMTPS id 1771269264839445.9079171500555;\n Mon, 16 Feb 2026 11:14:24 -0800 (PST)" ], "ARC-Seal": "i=1; a=rsa-sha256; t=1771269266; cv=none;\n d=zohomail.com; s=zohoarc;\n b=mFfigRVzAu5Gq5V9X1K3Ys9kcpkU983UAe9YB3qJDMLYnzKCrx7L9wkcMu64MTwLQ8XJpWK0X3dmpZ8W0nCKiNZKgIS99AW6qTNMsds1W2OAtZMh1vEJ0TU/mIZYuCwiVPuXCcOoZiatc7BF+bNye8zXkqWy8iM9/OjZg1bCGZk=", "ARC-Message-Signature": "i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com;\n s=zohoarc; t=1771269266;\n h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To;\n bh=P5osBMHaerccfSWLlffsmdiix8XtBj2gMCHzKDzxR3g=;\n b=eHARRX3E+cHLak86UTyFeRc/hKSMZG/DyN97lTigupWrXFFX2RSLGxBLdzDnWbk8ZXdy5nHo4vQFzOS7vruu1zv+37ksKeKFy4nzHa5G+JMS2XDDxAiVHrjRxk8QAitWF5jelrlim3zqbtim+/r3jhBLLWQdN7hmSvvmKY9ucJc=", "ARC-Authentication-Results": "i=1; mx.zohomail.com;\n dkim=pass header.i=collabora.com;\n spf=pass smtp.mailfrom=dmitry.osipenko@collabora.com;\n dmarc=pass header.from=<dmitry.osipenko@collabora.com>", "DKIM-Signature": "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1771269266;\n s=zohomail; d=collabora.com; i=dmitry.osipenko@collabora.com;\n h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To;\n bh=P5osBMHaerccfSWLlffsmdiix8XtBj2gMCHzKDzxR3g=;\n b=QUkNkEZUaTemzrEFBTJa/hwk2zDO2/FluhKGllQsJgWUhL6oISpoNB0t/NUQB0A0\n VYRCIhASkYyTU6gnrHys8Z1rxMgYHfEEY9x7QSc+CTNKBB5bZmyiFknsRTkhlXAfKEi\n 9ilnLBJxnDFBBB0P/Bcn5PfjQ2IdjYV+kZiTKHzA=", "From": "Dmitry Osipenko <dmitry.osipenko@collabora.com>", "To": "Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>,\n Huang Rui <ray.huang@amd.com>,\n =?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n\t=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>,\n Gerd Hoffmann <kraxel@redhat.com>,\n =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>,\n Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>,\n \"Michael S . Tsirkin\" <mst@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>,\n Yiwei Zhang <zzyiwei@gmail.com>, Sergio Lopez Pascual <slp@redhat.com>", "Cc": "Gert Wollny <gert.wollny@collabora.com>, qemu-devel@nongnu.org,\n Gurchetan Singh <gurchetansingh@chromium.org>, Alyssa Ross <hi@alyssa.is>,\n\t=?utf-8?q?Roger_Pau_Monn=C3=A9?= <roger.pau@citrix.com>,\n Alex Deucher <alexander.deucher@amd.com>,\n Stefano Stabellini <stefano.stabellini@amd.com>, =?utf-8?q?Christian_K?=\n\t=?utf-8?q?=C3=B6nig?= <christian.koenig@amd.com>,\n Xenia Ragiadakou <xenia.ragiadakou@amd.com>,\n Honglei Huang <honglei1.huang@amd.com>, Julia Zhang <julia.zhang@amd.com>,\n Chen Jiqian <Jiqian.Chen@amd.com>, Rob Clark <robdclark@gmail.com>,\n Robert Beckett <bob.beckett@collabora.com>", "Subject": "[PATCH v17 16/18] virtio-gpu: Replace finish_unmapping with\n mapping_state", "Date": "Mon, 16 Feb 2026 22:12:11 +0300", "Message-ID": "<20260216191213.2556073-17-dmitry.osipenko@collabora.com>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260216191213.2556073-1-dmitry.osipenko@collabora.com>", "References": "<20260216191213.2556073-1-dmitry.osipenko@collabora.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-ZohoMailClient": "External", "Received-SPF": "pass client-ip=136.143.188.112;\n envelope-from=dmitry.osipenko@collabora.com; helo=sender4-pp-f112.zoho.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Allow virtio_gpu_virgl_unmap_resource_blob() to be invoked while async\nunmapping is in progress. Do it in preparation to improvement of virtio-gpu\nresetting that will require this change.\n\nSuggested-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>\nSigned-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>\n---\n hw/display/trace-events | 2 +-\n hw/display/virtio-gpu-virgl.c | 28 ++++++++++++++++++++++------\n 2 files changed, 23 insertions(+), 7 deletions(-)", "diff": "diff --git a/hw/display/trace-events b/hw/display/trace-events\nindex e323a82cff24..4bfc457fbac1 100644\n--- a/hw/display/trace-events\n+++ b/hw/display/trace-events\n@@ -39,7 +39,7 @@ virtio_gpu_cmd_res_create_2d(uint32_t res, uint32_t fmt, uint32_t w, uint32_t h)\n virtio_gpu_cmd_res_create_3d(uint32_t res, uint32_t fmt, uint32_t w, uint32_t h, uint32_t d) \"res 0x%x, fmt 0x%x, w %d, h %d, d %d\"\n virtio_gpu_cmd_res_create_blob(uint32_t res, uint64_t size) \"res 0x%x, size %\" PRId64\n virtio_gpu_cmd_res_map_blob(uint32_t res, void *vmr, void *mr) \"res 0x%x, vmr %p, mr %p\"\n-virtio_gpu_cmd_res_unmap_blob(uint32_t res, void *mr, bool finish_unmapping) \"res 0x%x, mr %p, finish_unmapping %d\"\n+virtio_gpu_cmd_res_unmap_blob(uint32_t res, void *mr, int mapping_state) \"res 0x%x, mr %p, mapping_state %d\"\n virtio_gpu_cmd_res_unref(uint32_t res) \"res 0x%x\"\n virtio_gpu_cmd_res_back_attach(uint32_t res) \"res 0x%x\"\n virtio_gpu_cmd_res_back_detach(uint32_t res) \"res 0x%x\"\ndiff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c\nindex 7928e8d9d6f4..b1c323f4f539 100644\n--- a/hw/display/virtio-gpu-virgl.c\n+++ b/hw/display/virtio-gpu-virgl.c\n@@ -68,11 +68,17 @@ virgl_get_egl_display(G_GNUC_UNUSED void *cookie)\n #endif\n \n #if VIRGL_VERSION_MAJOR >= 1\n+enum virtio_gpu_virgl_hostmem_region_mapping_state {\n+ VIRTIO_GPU_MR_MAPPED,\n+ VIRTIO_GPU_MR_UNMAP_STARTED,\n+ VIRTIO_GPU_MR_UNMAP_COMPLETED,\n+};\n+\n struct virtio_gpu_virgl_hostmem_region {\n Object parent_obj;\n MemoryRegion mr;\n struct VirtIOGPU *g;\n- bool finish_unmapping;\n+ enum virtio_gpu_virgl_hostmem_region_mapping_state mapping_state;\n };\n \n #define TYPE_VIRTIO_GPU_VIRGL_HOSTMEM_REGION \"virtio-gpu-virgl-hostmem-region\"\n@@ -109,7 +115,7 @@ static void virtio_gpu_virgl_hostmem_region_finalize(Object *obj)\n return;\n }\n \n- vmr->finish_unmapping = true;\n+ vmr->mapping_state = VIRTIO_GPU_MR_UNMAP_COMPLETED;\n \n b = VIRTIO_GPU_BASE(vmr->g);\n b->renderer_blocked--;\n@@ -167,6 +173,7 @@ virtio_gpu_virgl_map_resource_blob(VirtIOGPU *g,\n object_initialize_child(OBJECT(g), name, vmr,\n TYPE_VIRTIO_GPU_VIRGL_HOSTMEM_REGION);\n vmr->g = g;\n+ vmr->mapping_state = VIRTIO_GPU_MR_MAPPED;\n \n mr = &vmr->mr;\n memory_region_init_ram_ptr(mr, OBJECT(vmr), \"mr\", size, data);\n@@ -195,7 +202,8 @@ virtio_gpu_virgl_unmap_resource_blob(VirtIOGPU *g,\n \n vmr = to_hostmem_region(res->mr);\n \n- trace_virtio_gpu_cmd_res_unmap_blob(res->base.resource_id, mr, vmr->finish_unmapping);\n+ trace_virtio_gpu_cmd_res_unmap_blob(res->base.resource_id, mr,\n+ vmr->mapping_state);\n \n /*\n * Perform async unmapping in 3 steps:\n@@ -206,7 +214,8 @@ virtio_gpu_virgl_unmap_resource_blob(VirtIOGPU *g,\n * asynchronously by virtio_gpu_virgl_hostmem_region_finalize().\n * 3. Finish the unmapping with final virgl_renderer_resource_unmap().\n */\n- if (vmr->finish_unmapping) {\n+ switch (vmr->mapping_state) {\n+ case VIRTIO_GPU_MR_UNMAP_COMPLETED:\n res->mr = NULL;\n g_free(vmr);\n \n@@ -217,15 +226,22 @@ virtio_gpu_virgl_unmap_resource_blob(VirtIOGPU *g,\n __func__, strerror(-ret));\n return ret;\n }\n- } else {\n- *cmd_suspended = true;\n+ break;\n \n+ case VIRTIO_GPU_MR_MAPPED:\n /* render will be unblocked once MR is freed */\n b->renderer_blocked++;\n \n+ vmr->mapping_state = VIRTIO_GPU_MR_UNMAP_STARTED;\n+\n /* memory region owns self res->mr object and frees it by itself */\n memory_region_del_subregion(&b->hostmem, mr);\n object_unparent(OBJECT(vmr));\n+\n+ /* Fallthrough */\n+ case VIRTIO_GPU_MR_UNMAP_STARTED:\n+ *cmd_suspended = true;\n+ break;\n }\n \n return 0;\n", "prefixes": [ "v17", "16/18" ] }