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GET /api/patches/2202597/?format=api
{ "id": 2202597, "url": "http://patchwork.ozlabs.org/api/patches/2202597/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260227203944.746471-4-chad@jablonski.xyz/", "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": "<20260227203944.746471-4-chad@jablonski.xyz>", "list_archive_url": null, "date": "2026-02-27T20:39:29", "name": "[v9,03/18] ati-vga: Read aliased values from DP_GUI_MASTER_CNTL", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "e4383fd9463b8e3f64674111534b1e8a043d9d16", "submitter": { "id": 91805, "url": "http://patchwork.ozlabs.org/api/people/91805/?format=api", "name": "Chad Jablonski", "email": "chad@jablonski.xyz" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260227203944.746471-4-chad@jablonski.xyz/mbox/", "series": [ { "id": 493814, "url": "http://patchwork.ozlabs.org/api/series/493814/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=493814", "date": "2026-02-27T20:39:27", "name": "ati-vga: Implement HOST_DATA transfers to enable X.org text rendering", "version": 9, "mbox": "http://patchwork.ozlabs.org/series/493814/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2202597/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2202597/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 (2048-bit key;\n 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"from localhost (chomposaur [local])\n by chomposaur (OpenSMTPD) with ESMTPA id 88c8ec3a;\n Fri, 27 Feb 2026 20:40:55 +0000 (UTC)" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; c=relaxed/relaxed; d=jablonski.xyz;\n h=cc:cc:content-transfer-encoding:content-type:date:date:from\n :from:in-reply-to:in-reply-to:message-id:mime-version:references\n :reply-to:subject:subject:to:to; s=fm2; t=1772224858; x=\n 1772311258; bh=UFSgWoKS6dct4PEaVxUuYg6ee7pN7SwnivHZWSj1kps=; b=A\n 7fHA9QWR/MeLLExJbPT/RI86AxwIsb6mkyrF4JEMsXA+AebPc8yGZM1SJzfQa7i5\n sBFIvl63NfjTtxKxmPJFJMgBNbmFJ0fCvrv40nr8Gbsj/uOWBA1/dxNEXfPAoVKU\n MY3j4weJCqoUq56txIZxRSNEYu66MsbvLMCZ9FHBLIqSoo6rB5NUoEJATxAb+rwX\n 4Sp8O03uBkqgP3mqHL7q7FVAsaaoHT6FkzX6zjKXxFOHMJdQGSzWH9Oj8o0wNC5d\n 2O8ouxOl3QM1d53CkrgI6zA8c2I3rEghhirx5+0aM7HmP1g1gPxLB7zNVEvM2O3/\n ysiqrHrjN2HSbma4TKZgg==", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=\n messagingengine.com; h=cc:cc:content-transfer-encoding\n :content-type:date:date:feedback-id:feedback-id:from:from\n :in-reply-to:in-reply-to:message-id:mime-version:references\n :reply-to:subject:subject:to:to:x-me-proxy:x-me-sender\n :x-me-sender:x-sasl-enc; s=fm3; t=1772224858; x=1772311258; bh=U\n FSgWoKS6dct4PEaVxUuYg6ee7pN7SwnivHZWSj1kps=; b=Uc7b+bvqfvPiXmgct\n 1J6hQA4359UnHg46V8Em7h6rdvWkANW2t2zVElDUG7kNarJN0rlYoMJlf8a02yD2\n XyGMH2MOSWYIeER4FozBSl7BWTs6+AK5ak37IOpzmPJnnpu9GeczoaSbLjNK0AsR\n WS6lbRT4pGrFySC10vwp90CRWy+wHzHIqq8uMYgBLQezoCdABE0irTkRdt/eC/jR\n JsoC+3++uKbGJuCvINVfs7qJt3PIR4tCTMpFTmAUJPWWmG3XKAPRY/SwaasarfpX\n CDv+uokRt0F77ZfnJtkyn+Y+g2YcaYEdHmykrwKcVYUJj9Nah9/4BBgOJFl+daHG\n fC1EQ==" ], "X-ME-Sender": "<xms:WgGiafkYUoeXs17WYGiOfNJmcqMpXaMs-1h8Zrij1XXltSnVqL4msg>\n <xme:WgGiaZs-HW-GWGuHKMYIL74LSsJIKu9xmFyM0rmfwiMAe55RxYvZejVOBMzl8AchZ\n Q7gon8cZE8UvhopQiVsYnutMye3NNxcGlOP87u-EBTQczS5y4qxfwg>", "X-ME-Received": "\n <xmr:WgGiad98qVlcHbZ87kL6ZKvr3c7iaIDsWLXcgC8-SjVUxzXRopfBJUfgaGK3>", "X-ME-Proxy-Cause": "\n gggruggvucftvghtrhhoucdtuddrgeefgedrtddtgddvgeelleelucetufdoteggodetrf\n dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfurfetoffkrfgpnffqhgenuceu\n rghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnegfrh\n hlucfvnfffucdljedtmdenucfjughrpefhvfevufffkffojghfggfgsedtkeertdertddt\n necuhfhrohhmpeevhhgrugculfgrsghlohhnshhkihcuoegthhgrugesjhgrsghlohhnsh\n hkihdrgiihiieqnecuggftrfgrthhtvghrnhepgfeiteejhfelheefieetjefgleejfffh\n ueffvdduieejgfeuueeuvddvkeejhfelnecuvehluhhsthgvrhfuihiivgeptdenucfrrg\n hrrghmpehmrghilhhfrhhomheptghhrggusehjrggslhhonhhskhhirdighiiipdhnsggp\n rhgtphhtthhopeehpdhmohguvgepshhmthhpohhuthdprhgtphhtthhopegthhgrugesjh\n grsghlohhnshhkihdrgiihiidprhgtphhtthhopehmrghrtggrnhgurhgvrdhluhhrvggr\n uhesrhgvughhrghtrdgtohhmpdhrtghpthhtohepkhhrrgigvghlsehrvgguhhgrthdrtg\n homhdprhgtphhtthhopehqvghmuhdquggvvhgvlhesnhhonhhgnhhurdhorhhgpdhrtghp\n thhtohepsggrlhgrthhonhesvghikhdrsghmvgdrhhhu", "X-ME-Proxy": "<xmx:WgGiaTOvj3hC4dXhq_ySyKe4EQVs369nr4d5670zOFM-ve3oeuqKYg>\n <xmx:WgGiabEnr16ys2RwQqTq-dZMGpr8rQhMQYvqbdXJOVS9G515pSPiJg>\n <xmx:WgGiaRRGZcczvJpYuGLoxWV7iv1GUXkJjElmq_x2HmpHLAPPg0AyBQ>\n <xmx:WgGiaYsWvisIyKsAOkOX-29NWIbn-K62ooMOk0clonYgJSU0KcQmow>\n <xmx:WgGiaWJel2oLbs2aFZPfmuyNt9iMu-wAj0kUFpS-D7IqRINCMvzxs7bR>", "Feedback-ID": "ib26944c1:Fastmail", "From": "Chad Jablonski <chad@jablonski.xyz>", "To": "qemu-devel@nongnu.org", "Cc": "BALATON Zoltan <balaton@eik.bme.hu>, Gerd Hoffmann <kraxel@redhat.com>,\n\t=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n Chad Jablonski <chad@jablonski.xyz>", "Subject": "[PATCH v9 03/18] ati-vga: Read aliased values from DP_GUI_MASTER_CNTL", "Date": "Fri, 27 Feb 2026 15:39:29 -0500", "Message-ID": "<20260227203944.746471-4-chad@jablonski.xyz>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260227203944.746471-1-chad@jablonski.xyz>", "References": "<20260227203944.746471-1-chad@jablonski.xyz>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=103.168.172.158;\n envelope-from=chad@jablonski.xyz;\n helo=fhigh-a7-smtp.messagingengine.com", "X-Spam_score_int": "8", "X-Spam_score": "0.8", "X-Spam_bar": "/", "X-Spam_report": "(0.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1,\n DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FROM_SUSPICIOUS_NTLD=0.5,\n PDS_OTHER_BAD_TLD=1.999, RCVD_IN_DNSWL_LOW=-0.7,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.706,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.401,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001,\n UNPARSEABLE_RELAY=0.001 autolearn=no 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": "DP_GUI_MASTER_CNTL aliases several fields from DP_DATATYPE and DP_MIX.\nThese were being written correctly but not returned on a read of\nDP_GUI_MASTER_CNTL.\n\nSigned-off-by: Chad Jablonski <chad@jablonski.xyz>\nReviewed-by: BALATON Zoltan <balaton@eik.bme.hu>\n---\n hw/display/ati.c | 8 +++++++-\n hw/display/ati_regs.h | 5 +++++\n 2 files changed, 12 insertions(+), 1 deletion(-)", "diff": "diff --git a/hw/display/ati.c b/hw/display/ati.c\nindex 777a6b0a2e..028efd13e1 100644\n--- a/hw/display/ati.c\n+++ b/hw/display/ati.c\n@@ -460,7 +460,13 @@ static uint64_t ati_mm_read(void *opaque, hwaddr addr, unsigned int size)\n val = s->regs.dst_y;\n break;\n case DP_GUI_MASTER_CNTL:\n- val = s->regs.dp_gui_master_cntl;\n+ /* DP_GUI_MASTER_CNTL aliases fields from DP_MIX and DP_DATATYPE */\n+ val = s->regs.dp_gui_master_cntl |\n+ ((s->regs.dp_datatype & DP_BRUSH_DATATYPE) >> 4) |\n+ ((s->regs.dp_datatype & DP_DST_DATATYPE) << 8) |\n+ ((s->regs.dp_datatype & DP_SRC_DATATYPE) >> 4) |\n+ (s->regs.dp_mix & DP_ROP3) |\n+ ((s->regs.dp_mix & DP_SRC_SOURCE) << 16);\n break;\n case SRC_OFFSET:\n val = s->regs.src_offset;\ndiff --git a/hw/display/ati_regs.h b/hw/display/ati_regs.h\nindex d7127748ff..0a0825db04 100644\n--- a/hw/display/ati_regs.h\n+++ b/hw/display/ati_regs.h\n@@ -386,6 +386,9 @@\n #define DST_16BPP 0x00000004\n #define DST_24BPP 0x00000005\n #define DST_32BPP 0x00000006\n+#define DP_DST_DATATYPE 0x0000000f\n+#define DP_BRUSH_DATATYPE 0x00000f00\n+#define DP_SRC_DATATYPE 0x00030000\n \n #define BRUSH_SOLIDCOLOR 0x00000d00\n \n@@ -437,6 +440,8 @@\n #define DP_SRC_RECT 0x00000200\n #define DP_SRC_HOST 0x00000300\n #define DP_SRC_HOST_BYTEALIGN 0x00000400\n+#define DP_SRC_SOURCE 0x00000700\n+#define DP_ROP3 0x00ff0000\n \n /* LVDS_GEN_CNTL constants */\n #define LVDS_BL_MOD_LEVEL_MASK 0x0000ff00\n", "prefixes": [ "v9", "03/18" ] }