From patchwork Fri Jun 9 06:20:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 2920 Return-Path: X-Original-To: linux-amarula@patchwork.amarulasolutions.com Delivered-To: linux-amarula@patchwork.amarulasolutions.com Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) by ganimede.amarulasolutions.com (Postfix) with ESMTPS id 97E613F057 for ; Fri, 9 Jun 2023 08:21:09 +0200 (CEST) Received: by mail-ed1-f70.google.com with SMTP id 4fb4d7f45d1cf-5147e3dfccdsf1207609a12.1 for ; Thu, 08 Jun 2023 23:21:09 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1686291669; cv=pass; d=google.com; s=arc-20160816; b=uY0kOLV/DMYuRwRQFh3c29nlTqR67+AWmbCGy+HPc7bGjg2x84P+ABwDcp5+m2rFMF F3ChPoCoTYYMkXln28gwfyoO6NrzWgc5NECmM4+WQnG3Y2fhG1tRNxg1RiQYZd6uRlFe ABxohlojBZ5Q+W4eAuzXPqkBdVtBytdjG6qtiHp/uNvCJxwoZgvYSa/pIdxV1zKr7cYi 04H+lkC2iTf6HaQ1ht+wiTl1x/CoNgFy9GrxGVTW54Vhs1y++SfIKjlUF40IcpvbVowP to6NXl4qPLMjdMgNt9OO/kyjtoiY1Pc8IOALY98bY4uFf+cMO222C3263xI4RJEBNoml Ld/A== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-unsubscribe:list-archive:list-help:list-post:list-id :mailing-list:precedence:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature; bh=gRYqEngfxfEs/bcsAQB9O0oSFh2Ej48GJVXfBiL1P6g=; b=jtOqZnq+EJC/iBP13Qw1Q8OajVIRrQ4a8E6KV4g20F4GbTmaQ7cruklUBxvf8mO93B efjxPz/+xOzGBO65IHM5XIUDn8SOVQQ/qsOehYfzJXL/E6Sh8oI7TWOLF7TeCeT/Ur5B rpUl+AALjDtU+/3mnZ32P9cWjwlcvFayV82o5ycd80j+xmWfvBTXbfF6YyC9A7+aofrC 1oX7kYIaHZ1LK4C+a3fhwWsNqPGQ6Gr9CiiLLTIVl1rm2kfylXsI+Bk7MIOaazJsAg+u x4aTA7WqrM0ZXInkU3MeTOwYcf84EbfM/0PEmoLSL/tFgo4tK+LzuzKYNO2p3i/IiChN RZVg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b="M/5/NpTF"; spf=pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dario.binacchi@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1686291669; x=1688883669; h=list-unsubscribe:list-archive:list-help:list-post:list-id :mailing-list:precedence:x-original-authentication-results :x-original-sender:mime-version:references:in-reply-to:message-id :date:subject:cc:to:from:from:to:cc:subject:date:message-id:reply-to; bh=gRYqEngfxfEs/bcsAQB9O0oSFh2Ej48GJVXfBiL1P6g=; b=fWBS5gYGMnFV+kuRTY6VF3mKAOwVqB1XaO4vQENa0ClqnUEdmLVmRHIqGMwQWawNFq QSLescF3lW0gXmzIvlFtaw73OvoBojtgm6Zf9bsagsRrPeTavb6uLAH4o7Fhb8SZE0st rZB6+4TQluLwPaB5hM80+EfSFeoOP3sV0Lhns= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686291669; x=1688883669; h=list-unsubscribe:list-archive:list-help:list-post :x-spam-checked-in-group:list-id:mailing-list:precedence :x-original-authentication-results:x-original-sender:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :x-beenthere:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=gRYqEngfxfEs/bcsAQB9O0oSFh2Ej48GJVXfBiL1P6g=; b=C4fOrgIQMsnmS/aQIk4SXlgsKysrNFpTQuqJ8j+zlHhkA2dB6NEKP9/4y/Ekwe5d5D eqvDEjyIAIIAPpcCAXiJCTVVHP3jW5SWvbm30wB9r/Hu9fQ+P1aaIVEoapWgpQaY/2JU xDFf/Thfogre/5WUAfAm7FZIINiKO5ZKWaClF2Ru1KlKoPjJv+oCExYJXMqqWQ7o9pEW 0/3x1OsGOzI+LCf7Od+ylmLzHbcbw7p4CmY7ejnZitKVsKSGg7UfkJ7/ShdnuP0E0vqx M623H6lakFDIyUTiARckXJlaKuVYRyhCweq1Pq+0erJAaOK9j0kzE8VL90ku1IhNd5In XheQ== X-Gm-Message-State: AC+VfDw77JxHlFRWwoYvoHkGHjJeJXxFdGigb2xApM2QhcrYG7+q8sFD VyiBwEQk6D936olviHchHXaebne9 X-Google-Smtp-Source: ACHHUZ4t/l3LAPwfsJnKeE87xwHSzukezIsC4BoshjsJIU194UwHHZAxVKI9w5F7bJryRqvnl+at8w== X-Received: by 2002:a05:6402:1ada:b0:514:7afc:67d4 with SMTP id ba26-20020a0564021ada00b005147afc67d4mr376731edb.39.1686291669452; Thu, 08 Jun 2023 23:21:09 -0700 (PDT) X-BeenThere: linux-amarula@amarulasolutions.com Received: by 2002:a05:6402:2d0:b0:514:e4a3:f8d7 with SMTP id b16-20020a05640202d000b00514e4a3f8d7ls329385edx.1.-pod-prod-05-eu; Thu, 08 Jun 2023 23:21:08 -0700 (PDT) X-Received: by 2002:a17:907:969e:b0:94f:6058:4983 with SMTP id hd30-20020a170907969e00b0094f60584983mr737209ejc.76.1686291667913; Thu, 08 Jun 2023 23:21:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1686291667; cv=none; d=google.com; s=arc-20160816; b=WPnCfXcw0UsScICKhV7casG7xO441/2QCb79/LmDD8Iob/xI3fKdXxqX6fC+PazmAI Y5KdReSxM6xZhU1n//X/vtdD54cmZkD5/jcS+oTmxm/oAHD6KQ3aCcUXu7hI+ptPpe0a g2dzbsWaZUIyRuFEcJ6EgFRVDyjxEEfmYK3wCEyWT3Nch6fSm113+EVn7sucKKjaM/pF CHtJLq8JYoUafvwFpOlpKXJhgioq3Uc/HZnZtfFrI6nM2bYPlFsmVeuRqdGAVT8HDJ5/ Ii1h/slFSB23BXLmLxoHgdpaqH0ntOVkKpWYKyWmSPRtyh3VXQ3Q9GWpAKUaHSl7iigi H5jA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature; bh=iGNFX6HEdIKRiw8NKvPwhXc8R+GQd9GHBG/7VCCQih4=; b=guYZsU+DhvMF0Ze01wPTpXlTRg3M96TlupTitwLyY9mlTf4/7+nQQB509jj+aPACPH tsti2zs6BixgBTCMyPn3iWLdVIGiHhpoKid1g0allAI6c1VgroRVpkPTMXsoPoQLhs5X 2FwBI92bmDNTT/hkidM2F3qqvGMOY2BAAiO/XH6I1DoklGRf2qpWgFxi0u7Jnk/tLEXr ID7k1fYMKTkcRLraUfKB1ZlpaBRZN26h/K+8jrKTYcHh9gSvwN4+F2UAir1XWQzgsAKf JY3U2M2IuVTq15tPEIdlZnRZ8Ei1g85U7UJ2geQqyn5zB+qbdJUZhbWpQEjP8aYuuN9u 8cCA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b="M/5/NpTF"; spf=pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dario.binacchi@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id g25-20020a170906539900b0093c1e6b867dsor645255ejo.2.2023.06.08.23.21.07 for (Google Transport Security); Thu, 08 Jun 2023 23:21:07 -0700 (PDT) Received-SPF: pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; X-Received: by 2002:aa7:c40b:0:b0:517:6ed9:6629 with SMTP id j11-20020aa7c40b000000b005176ed96629mr416496edq.21.1686291667668; Thu, 08 Jun 2023 23:21:07 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.homenet.telecomitalia.it (host-95-248-31-20.retail.telecomitalia.it. [95.248.31.20]) by smtp.gmail.com with ESMTPSA id m7-20020aa7d347000000b005149461b1e0sm1380058edr.25.2023.06.08.23.21.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jun 2023 23:21:07 -0700 (PDT) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: michael@amarulasolutions.com, Amarula patchwork , Dario Binacchi , Alexandre Torgue , Daniel Vetter , David Airlie , Maxime Coquelin , Philippe Cornu , Raphael Gallais-Pou , Yannick Fertre , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH v3 4/4] drm/stm: add an option to change FB bpp Date: Fri, 9 Jun 2023 08:20:50 +0200 Message-Id: <20230609062050.2107143-5-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20230609062050.2107143-1-dario.binacchi@amarulasolutions.com> References: <20230609062050.2107143-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-Original-Sender: dario.binacchi@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b="M/5/NpTF"; spf=pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dario.binacchi@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Boards that use the STM32F{4,7} series have limited amounts of RAM. The added parameter allows users to size, within certain limits, the memory footprint required by the framebuffer. Signed-off-by: Dario Binacchi Acked-by: Philippe Cornu --- Changes in v3: - drop [4/6] dt-bindings: display: simple: add Rocktech RK043FN48H Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-next): https://cgit.freedesktop.org/drm/drm-misc/commit/?id=c42a37a27c777d63961dd634a30f7c887949491a - drop [5/6] drm/panel: simple: add support for Rocktech RK043FN48H panel Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-next) https://cgit.freedesktop.org/drm/drm-misc/commit/?id=13cdd12a9f934158f4ec817cf048fcb4384aa9dc drivers/gpu/drm/stm/drv.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c index 422220df7d8c..65be2b442a6a 100644 --- a/drivers/gpu/drm/stm/drv.c +++ b/drivers/gpu/drm/stm/drv.c @@ -30,6 +30,11 @@ #define STM_MAX_FB_WIDTH 2048 #define STM_MAX_FB_HEIGHT 2048 /* same as width to handle orientation */ +static uint stm_bpp = 16; + +MODULE_PARM_DESC(bpp, "bits-per-pixel (default: 16)"); +module_param_named(bpp, stm_bpp, uint, 0644); + static const struct drm_mode_config_funcs drv_mode_config_funcs = { .fb_create = drm_gem_fb_create, .atomic_check = drm_atomic_helper_check, @@ -93,6 +98,7 @@ static int drv_load(struct drm_device *ddev) ddev->mode_config.min_height = 0; ddev->mode_config.max_width = STM_MAX_FB_WIDTH; ddev->mode_config.max_height = STM_MAX_FB_HEIGHT; + ddev->mode_config.preferred_depth = stm_bpp; ddev->mode_config.funcs = &drv_mode_config_funcs; ddev->mode_config.normalize_zpos = true; @@ -203,7 +209,7 @@ static int stm_drm_platform_probe(struct platform_device *pdev) if (ret) goto err_put; - drm_fbdev_dma_setup(ddev, 16); + drm_fbdev_dma_setup(ddev, stm_bpp); return 0;