From patchwork Sat Oct 5 23:25:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Dr. David Alan Gilbert" X-Patchwork-Id: 13823605 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2A2DCCFB43C for ; Sat, 5 Oct 2024 23:27:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=bH75UUiSgOjpB/GMh3ZaKU2cpH9596DeOfRb2X80uds=; b=nQ6LSHTLB2Emm4bYROMncB3eh3 L3vHLu+USeMYpiKlN0fmeJeJ9T85K06WP3i4xapIqQBCIbnY4M/qmY/tMRIBonXGLx3UWD8yF8MsQ vp2BUiHs+bbCtgN/3KvlLoBEL3nfaTy9g6WYSLIQaE5b9wLSt3OBcJ/XZmTyuaGmjO0wSBzwrKmi2 zN7/XdHT4WcYvFj9vuvHziCzGPBcNwYgYF7SdFQ7yJeq80g0XKBCUKSIfhzKu5SzQXSAJolbEwH7O Vh/ibP7fCsvpgK3326KNENnukWWIsfMECJRwWxBmqg6mjeQuULHJejhxuZpgcMPFwRD7I3fLaZEoS hxQf5ffw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1sxEBJ-0000000G5vt-1fYG; Sat, 05 Oct 2024 23:27:25 +0000 Received: from mx.treblig.org ([2a00:1098:5b::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1sxEA2-0000000G5ok-1wUy; Sat, 05 Oct 2024 23:26:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=treblig.org ; s=bytemarkmx; h=MIME-Version:Message-ID:Date:Subject:From:Content-Type:From :Subject; bh=bH75UUiSgOjpB/GMh3ZaKU2cpH9596DeOfRb2X80uds=; b=hIqsSE+AIGrZQCB0 fHhMqECqnOgaS9R9x8Q+OQ5OSy3feIsGQnjpZH+LFJekn29H0aU5yY7rKAqzZEpg7QFm111bC+PwA Iyz5pmSO4cvNw5JwEjINdAE/QnzgMDforcNhWNDdU/aLwSOaEFtgwnQXjLq81o8eS2iFClkpOyvaW dE5YDwZJO1VHU23rfXngMp7c9aNTxoysbQGgont3mcOWYEBYZnfujYOA/egfGmagprcfqQ0PTwCZF Ekn5aUfyvw8HMM87fi8pubWcBxA82VWOCYtkoHxTj2Y/7C1cQNJlfjwYdMONbZOKsl1mUjGGHoRCZ fUDOSqtWe3VCEGe5DQ==; Received: from localhost ([127.0.0.1] helo=dalek.home.treblig.org) by mx.treblig.org with esmtp (Exim 4.96) (envelope-from ) id 1sxE9o-009Da5-2C; Sat, 05 Oct 2024 23:25:52 +0000 From: linux@treblig.org To: hjc@rock-chips.com, heiko@sntech.de, andy.yan@rock-chips.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch Cc: dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, "Dr. David Alan Gilbert" Subject: [PATCH] drm/rockchip: cdn-dp: Remove unused functions Date: Sun, 6 Oct 2024 00:25:51 +0100 Message-ID: <20241005232551.307399-1-linux@treblig.org> X-Mailer: git-send-email 2.46.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241005_162606_575777_A90A91A8 X-CRM114-Status: UNSURE ( 7.52 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: "Dr. David Alan Gilbert" cdn_dp_get_event and cdn_dp_dpcd_write were added in 2017 by commit 1a0f7ed3abe2 ("drm/rockchip: cdn-dp: add cdn DP support for rk3399") but unused. Remove them. (Build tested only on x86-64) Signed-off-by: Dr. David Alan Gilbert --- drivers/gpu/drm/rockchip/cdn-dp-reg.c | 39 --------------------------- drivers/gpu/drm/rockchip/cdn-dp-reg.h | 2 -- 2 files changed, 41 deletions(-) diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c index 33fb4d05c506..a57cda971f20 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c @@ -244,40 +244,6 @@ int cdn_dp_dpcd_read(struct cdn_dp_device *dp, u32 addr, u8 *data, u16 len) return ret; } -int cdn_dp_dpcd_write(struct cdn_dp_device *dp, u32 addr, u8 value) -{ - u8 msg[6], reg[5]; - int ret; - - msg[0] = 0; - msg[1] = 1; - msg[2] = (addr >> 16) & 0xff; - msg[3] = (addr >> 8) & 0xff; - msg[4] = addr & 0xff; - msg[5] = value; - ret = cdn_dp_mailbox_send(dp, MB_MODULE_ID_DP_TX, DPTX_WRITE_DPCD, - sizeof(msg), msg); - if (ret) - goto err_dpcd_write; - - ret = cdn_dp_mailbox_validate_receive(dp, MB_MODULE_ID_DP_TX, - DPTX_WRITE_DPCD, sizeof(reg)); - if (ret) - goto err_dpcd_write; - - ret = cdn_dp_mailbox_read_receive(dp, reg, sizeof(reg)); - if (ret) - goto err_dpcd_write; - - if (addr != (reg[2] << 16 | reg[3] << 8 | reg[4])) - ret = -EINVAL; - -err_dpcd_write: - if (ret) - DRM_DEV_ERROR(dp->dev, "dpcd write failed: %d\n", ret); - return ret; -} - int cdn_dp_load_firmware(struct cdn_dp_device *dp, const u32 *i_mem, u32 i_size, const u32 *d_mem, u32 d_size) { @@ -400,11 +366,6 @@ int cdn_dp_event_config(struct cdn_dp_device *dp) return ret; } -u32 cdn_dp_get_event(struct cdn_dp_device *dp) -{ - return readl(dp->regs + SW_EVENTS0); -} - int cdn_dp_get_hpd_status(struct cdn_dp_device *dp) { u8 status; diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.h b/drivers/gpu/drm/rockchip/cdn-dp-reg.h index 441248b7a79e..68c3dbff1123 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-reg.h +++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.h @@ -459,9 +459,7 @@ int cdn_dp_load_firmware(struct cdn_dp_device *dp, const u32 *i_mem, int cdn_dp_set_firmware_active(struct cdn_dp_device *dp, bool enable); int cdn_dp_set_host_cap(struct cdn_dp_device *dp, u8 lanes, bool flip); int cdn_dp_event_config(struct cdn_dp_device *dp); -u32 cdn_dp_get_event(struct cdn_dp_device *dp); int cdn_dp_get_hpd_status(struct cdn_dp_device *dp); -int cdn_dp_dpcd_write(struct cdn_dp_device *dp, u32 addr, u8 value); int cdn_dp_dpcd_read(struct cdn_dp_device *dp, u32 addr, u8 *data, u16 len); int cdn_dp_get_edid_block(void *dp, u8 *edid, unsigned int block, size_t length);