From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 83644224D6; Fri, 9 Jan 2026 12:17:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767961053; cv=none; b=tm2y93lNerX868bKtC8SCEkJBdspD/CIHPMUFUv/GDqFpIb+XsATpPpHxDr4ToTNrCPrj6dRVXAs6XLqIlEdvGJUhsxehFxdgiaLBCXwCj9uDteu5sk063f/XB4nBabfWs54WeSAu7UOSr0cIS+8dCEyw+IVs9lM1pwE40SnWe4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767961053; c=relaxed/simple; bh=6UADEA1sC0nV8Vxf0FLWj0k8gqvMEhQtwyXWQ5EaXdg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WZbA8oXrkGLExIBthCf/yEsHkm2Lwz8A7/NSQC/u3Yn6FTNEvD2Mvuj7odJpaze8Myqs50zpQ2Y0Fk5GHYk5kI9Vb3/VW63R5xbklRnyHHfyKhlx2skUHMRMExIafKGIjdet40M2Qu5ObUb7THAHGAHlV1Hs0sD26sx6gHkJh4w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=oTmRIo45; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="oTmRIo45" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10246C4CEF1; Fri, 9 Jan 2026 12:17:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1767961053; bh=6UADEA1sC0nV8Vxf0FLWj0k8gqvMEhQtwyXWQ5EaXdg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oTmRIo45Ase4v+lEgbbh3wubryoqcHeq3AA+KE0YtQhoAZz5E3pm1L3IAeK57lcNa lUZuqA1VOQT0gEHRTiXS7Un/9k0wYNoE2tJz0NASjVTU4HmCNSnPNxu9pEohEcJkp1 mL5fDsI+jTfnwhpdDoAx7Q6AafzUbXQVGDLUoURw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Patrik Jakobsson , Stefan Christ , Daniel Vetter , dri-devel@lists.freedesktop.org, Thomas Zimmermann Subject: [PATCH 6.6 619/737] drm/gma500: Remove unused helper psb_fbdev_fb_setcolreg() Date: Fri, 9 Jan 2026 12:42:38 +0100 Message-ID: <20260109112157.288275284@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260109112133.973195406@linuxfoundation.org> References: <20260109112133.973195406@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Zimmermann commit be729f9de6c64240645dc80a24162ac4d3fe00a8 upstream. Remove psb_fbdev_fb_setcolreg(), which hasn't been called in almost a decade. Gma500 commit 4d8d096e9ae8 ("gma500: introduce the framebuffer support code") added the helper psb_fbdev_fb_setcolreg() for setting the fbdev palette via fbdev's fb_setcolreg callback. Later commit 3da6c2f3b730 ("drm/gma500: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops") set several default helpers for fbdev emulation, including fb_setcmap. The fbdev subsystem always prefers fb_setcmap over fb_setcolreg. [1] Hence, the gma500 code is no longer in use and gma500 has been using drm_fb_helper_setcmap() for several years without issues. Fixes: 3da6c2f3b730 ("drm/gma500: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops") Cc: Patrik Jakobsson Cc: Stefan Christ Cc: Daniel Vetter Cc: dri-devel@lists.freedesktop.org Cc: # v4.10+ Link: https://elixir.bootlin.com/linux/v6.16.9/source/drivers/video/fbdev/core/fbcmap.c#L246 # [1] Signed-off-by: Thomas Zimmermann Acked-by: Patrik Jakobsson Link: https://lore.kernel.org/r/20250929082338.18845-1-tzimmermann@suse.de Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/gma500/fbdev.c | 43 ----------------------------------------- 1 file changed, 43 deletions(-) --- a/drivers/gpu/drm/gma500/fbdev.c +++ b/drivers/gpu/drm/gma500/fbdev.c @@ -51,48 +51,6 @@ static const struct vm_operations_struct * struct fb_ops */ -#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) - -static int psb_fbdev_fb_setcolreg(unsigned int regno, - unsigned int red, unsigned int green, - unsigned int blue, unsigned int transp, - struct fb_info *info) -{ - struct drm_fb_helper *fb_helper = info->par; - struct drm_framebuffer *fb = fb_helper->fb; - uint32_t v; - - if (!fb) - return -ENOMEM; - - if (regno > 255) - return 1; - - red = CMAP_TOHW(red, info->var.red.length); - blue = CMAP_TOHW(blue, info->var.blue.length); - green = CMAP_TOHW(green, info->var.green.length); - transp = CMAP_TOHW(transp, info->var.transp.length); - - v = (red << info->var.red.offset) | - (green << info->var.green.offset) | - (blue << info->var.blue.offset) | - (transp << info->var.transp.offset); - - if (regno < 16) { - switch (fb->format->cpp[0] * 8) { - case 16: - ((uint32_t *) info->pseudo_palette)[regno] = v; - break; - case 24: - case 32: - ((uint32_t *) info->pseudo_palette)[regno] = v; - break; - } - } - - return 0; -} - static int psb_fbdev_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) { if (vma->vm_pgoff != 0) @@ -137,7 +95,6 @@ static const struct fb_ops psb_fbdev_fb_ .owner = THIS_MODULE, __FB_DEFAULT_IOMEM_OPS_RDWR, DRM_FB_HELPER_DEFAULT_OPS, - .fb_setcolreg = psb_fbdev_fb_setcolreg, __FB_DEFAULT_IOMEM_OPS_DRAW, .fb_mmap = psb_fbdev_fb_mmap, .fb_destroy = psb_fbdev_fb_destroy,