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GET /api/1.1/patches/2220949/?format=api
{ "id": 2220949, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2220949/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260408-simplefb-map-v2-1-c0a8dd497582@fairphone.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/1.1/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260408-simplefb-map-v2-1-c0a8dd497582@fairphone.com>", "date": "2026-04-08T12:04:28", "name": "[v2] video: simplefb: Map framebuffer region on probe on ARM64", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "66b7a886f549579259ee1856f3971b119d745c61", "submitter": { "id": 83060, "url": "http://patchwork.ozlabs.org/api/1.1/people/83060/?format=api", "name": "Luca Weiss", "email": "luca.weiss@fairphone.com" }, "delegate": { "id": 1700, "url": "http://patchwork.ozlabs.org/api/1.1/users/1700/?format=api", "username": "ag", "first_name": "Anatolij", "last_name": "Gustschin", "email": "agust@denx.de" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260408-simplefb-map-v2-1-c0a8dd497582@fairphone.com/mbox/", "series": [ { "id": 499138, "url": "http://patchwork.ozlabs.org/api/1.1/series/499138/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=499138", "date": "2026-04-08T12:04:28", "name": "[v2] video: simplefb: Map framebuffer region on probe on ARM64", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/499138/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2220949/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2220949/checks/", "tags": {}, "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "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 unprotected) header.d=fairphone.com header.i=@fairphone.com\n header.a=rsa-sha256 header.s=fair header.b=S5FT805F;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260408-simplefb-map-v2-1-c0a8dd497582@fairphone.com>", "X-B4-Tracking": "v=1; b=H4sIAAAAAAAC/3XMywrCMBSE4VcpZ22kp4JUV76HdJHLxBywTUikK\n CXvbuze5T8w30YFWVDo2m2UsUqRuLQYDh3ZoJcHlLjWNPTDuT/xqIrM6Qlv1KyT0sZcnNE94Jj\n aJWV4ee/cfWodpLxi/uz6yr/1D7SyYgUHy8DIzvPNa8kpxAVHG2eaaq1feJGAjawAAAA=", "X-Change-ID": "20260318-simplefb-map-abb9dba0eed1", "To": "u-boot@lists.denx.de, u-boot-qcom@groups.io", "Cc": "Anatolij Gustschin <ag.dev.uboot@gmail.com>,\n Tom Rini <trini@konsulko.com>,\n Igor Belwon <igor.belwon@mentallysanemainliners.org>,\n Casey Connolly <casey.connolly@linaro.org>,\n Neil Armstrong <neil.armstrong@linaro.org>,\n Sumit Garg <sumit.garg@kernel.org>, Luca Weiss <luca.weiss@fairphone.com>", "X-Mailer": "b4 0.15.1", "X-Developer-Signature": "v=1; a=ed25519-sha256; t=1775649893; l=1585;\n i=luca.weiss@fairphone.com; s=20250611; h=from:subject:message-id;\n bh=siBuzYSNnikcIv0rt3Qe8E8jAR3q8GaHrCIS2g/DyRI=;\n b=KPSgtAHozY22P66JXu1V850DyrdTaDFdMDS3lkE5zNCf3C7hWniQPZr2IyErluU+zmDDnuWO8\n H2baP9Go7dtDYmFkc32nyc0UymyrpYNytLuQabQ0Fu84deL96AfZxM3", "X-Developer-Key": "i=luca.weiss@fairphone.com; a=ed25519;\n pk=O1aw+AAust5lEmgrNJ1Bs7PTY0fEsJm+mdkjExA69q8=", "X-Mailman-Approved-At": "Wed, 08 Apr 2026 14:55:29 +0200", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "The framebuffer buffer might not be mapped on some devices.\n\nThis is #ifdef'ed for ARM64 since mmu_map_region() is not defined for\nany other architecture.\n\nSigned-off-by: Luca Weiss <luca.weiss@fairphone.com>\n---\nChanges in v2:\n- Use ALIGN(plat->size, SZ_4K) instead of + 0x1000 (Casey)\n- Add log_warning in case framebuffer base is not 4k aligned (Casey)\n- Link to v1: https://lore.kernel.org/r/20260318-simplefb-map-v1-1-edec1ee81df1@fairphone.com\n---\n drivers/video/simplefb.c | 9 +++++++++\n 1 file changed, 9 insertions(+)\n\n\n---\nbase-commit: 88dc2788777babfd6322fa655df549a019aa1e69\nchange-id: 20260318-simplefb-map-abb9dba0eed1\n\nBest regards,\n-- \nLuca Weiss <luca.weiss@fairphone.com>", "diff": "diff --git a/drivers/video/simplefb.c b/drivers/video/simplefb.c\nindex 8d0772d4e51..4d238b936ac 100644\n--- a/drivers/video/simplefb.c\n+++ b/drivers/video/simplefb.c\n@@ -9,6 +9,8 @@\n #include <log.h>\n #include <video.h>\n #include <asm/global_data.h>\n+#include <asm/system.h>\n+#include <linux/sizes.h>\n \n static int simple_video_probe(struct udevice *dev)\n {\n@@ -37,6 +39,13 @@ static int simple_video_probe(struct udevice *dev)\n \tplat->base = base;\n \tplat->size = size;\n \n+#ifdef CONFIG_ARM64\n+\t/* The framebuffer buffer might not be mapped on some devices */\n+\tif (plat->base % SZ_4K)\n+\t\tlog_warning(\"Framebuffer base %lx is not 4k aligned!\\n\", plat->base);\n+\tmmu_map_region((phys_addr_t)plat->base, (phys_addr_t)ALIGN(plat->size, SZ_4K), false);\n+#endif\n+\n \tvideo_set_flush_dcache(dev, true);\n \n \tdebug(\"%s: Query resolution...\\n\", __func__);\n", "prefixes": [ "v2" ] }