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 8840E3C1967; Thu, 15 Jan 2026 17:36:17 +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=1768498577; cv=none; b=bf33M4GZWOfwL52JntjYlrPEbQlZpTNfjgnYW3AAXkD23onLjzkQovdpqUwyZIbz7FocPEsL8r4ItQPM3NtHx+ci0UJg4Ej+rEZ+hgT0hrRcdsg6V6SyMwnAFN6Y+7TrDOd8VtGa/1FMohLuR6QvhN6ovGaBlnSoQ/AoZOUts/U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768498577; c=relaxed/simple; bh=1UQgR+y9q/y5mjquLJ8qbpgrHFmvF5pK24VEjbvReRA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AzT6Tc03vfSmv1K4ZlELU5EzpivE5sKJmmRWQuS0dsMzjR+TQWIDxYPFQyRH3HalZu/fP5vYY0SFZfGmli9rRD0tFmRwsRkaVIZ57U/LEqbh3th2nmUpLGfZGyJl/oC7J+iAn0BIJjPNZw2+10FqBBbfLp2dgpx2Ot3NHI42FDQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=w2KY3pHZ; 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="w2KY3pHZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13E16C16AAE; Thu, 15 Jan 2026 17:36:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768498577; bh=1UQgR+y9q/y5mjquLJ8qbpgrHFmvF5pK24VEjbvReRA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=w2KY3pHZI8B5Pi0Yt/Ma0RfqTDYoE80PbBkqijnEGiRISj5pPotmYHVT3J0xJZxsF NcX/5MppYuhJ3KSiH4y9jkiTkX6kE4o2ww+S6o51fH7+kI6ccFa4VZwYKaKlZsSIfa hO1Utov2r78gCR5AwJufCWwLGDz4fgLY1BiCtKmo= 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 , Sasha Levin Subject: [PATCH 5.15 480/554] drm/gma500: Remove unused helper psb_fbdev_fb_setcolreg() Date: Thu, 15 Jan 2026 17:49:06 +0100 Message-ID: <20260115164303.682571701@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115164246.225995385@linuxfoundation.org> References: <20260115164246.225995385@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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Zimmermann [ Upstream commit be729f9de6c64240645dc80a24162ac4d3fe00a8 ] 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 [ adapted patch from fbdev.c to framebuffer.c where the function was named psbfb_setcolreg() instead of psb_fbdev_fb_setcolreg() ] Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/gma500/framebuffer.c | 42 ----------------------------------- 1 file changed, 42 deletions(-) --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -35,47 +35,6 @@ static const struct drm_framebuffer_func .create_handle = drm_gem_fb_create_handle, }; -#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) - -static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned 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 vm_fault_t psbfb_vm_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; @@ -147,7 +106,6 @@ static int psbfb_mmap(struct fb_info *in static const struct fb_ops psbfb_unaccel_ops = { .owner = THIS_MODULE, DRM_FB_HELPER_DEFAULT_OPS, - .fb_setcolreg = psbfb_setcolreg, .fb_fillrect = drm_fb_helper_cfb_fillrect, .fb_copyarea = drm_fb_helper_cfb_copyarea, .fb_imageblit = drm_fb_helper_cfb_imageblit,