From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 6BFE2472771; Fri, 7 Aug 2026 15:48:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786117690; cv=none; b=LnDhn9KUmWBy3JhvyVIbw76UA2B5MGRqTuvswn8oD3ti5VPhVxdhu8OvTm9oJBsIDBO00zjug41ERAgfCmBIaor1W0W5zhhliPef6NKl4vnHyhtkkE1f06irm89CskwYDgMEz2DSt67SoiuFy4fOT8J0ygsZyJ7Sj4rpEZtSiWo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786117690; c=relaxed/simple; bh=S89GF84+Z3lren1WFQVK//gN2ImfyfwyNWVzhrCRmIE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pya5wTXHzSk6xZT4vS+h1exrUj9AyEGLk37M4tzImWjtfZmvNVPHpRUIkzOiFQiWhST9wX7Xkv7yWOJOksxraxYrSt2BMi55cAjLsP5RnjuOiQQzpIeFhHKQul/uad0KQyeOgoCOpOvk1thwr7CsD7uarq2GfKXZBML05u3hrRI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qHph7uPN; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="qHph7uPN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F4A01F000E9; Fri, 7 Aug 2026 15:48:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786117689; bh=fWno6lQ3K3vG8/JWdmwk/Led/XwmVtKbF8Bv7d+0vvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=qHph7uPN15WNFl70dmWP/XVBBK5cZFtCXaxFOx2LT5TjwgOde1hiRK1TOlODkfNzJ XviYtFhkndCNneu/5mdarcYUUkEWU1SVp8D8w62zokCXn/OIo4OBi+TUxcCPPr8LNf oBByCsiKw57AOmEkCv8FupRAqFQTHPe54Whr9kJg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alan Swanson , Alex Deucher Subject: [PATCH 7.1 400/438] drm/amd/display: Silence link_dpms I2C retimer failures Date: Fri, 7 Aug 2026 16:39:56 +0200 Message-ID: <20260807143436.488222220@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260807143428.008222056@linuxfoundation.org> References: <20260807143428.008222056@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alan Swanson commit 8ccb87b1c9be594fc2c36b0a4006a66f08dee1c8 upstream. Commit a4f01bf729b2 ("drm/amd/display: Refactor and fix link_dpms I2C") had also changed the "Set retimer failed" messages from DC_LOG_DEBUG() to DC_LOG_ERROR(). This unfortunately can create log spam. Change those back to DC_LOG_DEBUG() only. Fixes: a4f01bf729b2 ("drm/amd/display: Refactor and fix link_dpms I2C") Closes: https://gitlab.freedesktop.org/drm/amd/-/work_items/5520 Signed-off-by: Alan Swanson Signed-off-by: Alex Deucher (cherry picked from commit da8609eef18b0a3490d0e1fa9440659fadc8194d) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/link/link_dpms.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -379,7 +379,7 @@ static bool write_i2c_retimer_vga( for (size_t i = 0; i < ARRAY_SIZE(vga_data); i++) { if (!write_i2c_retimer_offset_value(link, address, vga_data[i][0], vga_data[i][1])) { - DC_LOG_ERROR("Set retimer failed, vga index: %zu\n", i); + DC_LOG_DEBUG("Set retimer failed, vga index: %zu\n", i); return false; } } @@ -400,7 +400,7 @@ static bool write_i2c_retimer_byte( return true; if (!write_i2c_retimer_offset_value(link, address, index, value)) { - DC_LOG_ERROR("Set retimer failed, 3g index: 0x%x, value: 0x%x\n", index, value); + DC_LOG_DEBUG("Set retimer failed, 3g index: 0x%x, value: 0x%x\n", index, value); return false; } @@ -416,14 +416,14 @@ static bool write_i2c_retimer_byte( if (!link_query_ddc_data( link->ddc, address, &offset, 1, &value, 1 )) { - DC_LOG_ERROR("Set retimer failed, link_query_ddc_data\n"); + DC_LOG_DEBUG("Set retimer failed, link_query_ddc_data\n"); return false; } } value |= apply_rx_tx_change; if (!write_i2c_retimer_offset_value(link, address, offset, value)) { - DC_LOG_ERROR("Set retimer failed, 3g offset: 0x%x, value: 0x%x\n", offset, value); + DC_LOG_DEBUG("Set retimer failed, 3g offset: 0x%x, value: 0x%x\n", offset, value); return false; } } @@ -444,7 +444,7 @@ static bool write_i2c_retimer_setting( uint8_t value = settings->reg_settings[i].i2c_reg_val; if (!write_i2c_retimer_byte(link, address, index, value)) { - DC_LOG_ERROR("Set retimer failed, index: %zu\n", i); + DC_LOG_DEBUG("Set retimer failed, index: %zu\n", i); return false; } } @@ -455,7 +455,7 @@ static bool write_i2c_retimer_setting( uint8_t value = settings->reg_settings_6g[i].i2c_reg_val; if (!write_i2c_retimer_byte(link, address, index, value)) { - DC_LOG_ERROR("Set retimer failed, 6g index: %zu\n", i); + DC_LOG_DEBUG("Set retimer failed, 6g index: %zu\n", i); return false; } } @@ -487,7 +487,7 @@ static bool write_i2c_default_retimer_se for (size_t i = 0; i < ARRAY_SIZE(data); i++) { if (!write_i2c_retimer_offset_value(link, address, data[i][0], data[i][1])) { - DC_LOG_ERROR("Set default retimer failed, index: %zu\n", i); + DC_LOG_DEBUG("Set default retimer failed, index: %zu\n", i); return false; } } @@ -519,7 +519,7 @@ static bool write_i2c_redriver_setting( ); if (!success) - DC_LOG_ERROR("Set redriver failed"); + DC_LOG_DEBUG("Set redriver failed"); return success; }