{"id":2220949,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2220949/?format=json","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=json","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=json","name":"Luca Weiss","email":"luca.weiss@fairphone.com"},"delegate":{"id":1700,"url":"http://patchwork.ozlabs.org/api/1.1/users/1700/?format=json","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=json","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":"","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 ,\n Tom Rini ,\n Igor Belwon ,\n Casey Connolly ,\n Neil Armstrong ,\n Sumit Garg , Luca Weiss ","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 ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","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 \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 ","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 \n #include \n #include \n+#include \n+#include \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"]}