From mboxrd@z Thu Jan 1 00:00:00 1970 From: alexdeucher@gmail.com Subject: [PATCH] drm/radeon/kms: fix i2c pad masks on rs4xx Date: Thu, 18 Nov 2010 17:18:08 -0500 Message-ID: <4ce5a626.c74ee50a.3e3d.2db7@mx.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-qy0-f170.google.com (mail-qy0-f170.google.com [209.85.216.170]) by gabe.freedesktop.org (Postfix) with ESMTP id 29967A138F for ; Thu, 18 Nov 2010 14:18:16 -0800 (PST) Received: by qyk36 with SMTP id 36so2726466qyk.15 for ; Thu, 18 Nov 2010 14:18:15 -0800 (PST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: airlied@gmail.com, dri-devel@lists.freedesktop.org Cc: stable@kernel.org List-Id: dri-devel@lists.freedesktop.org From: Alex Deucher These got lost in the last i2c cleanup. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=23222 Signed-off-by: Alex Deucher Cc: stable@kernel.org --- drivers/gpu/drm/radeon/radeon_combios.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 7b7ea26..3bddea5 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -571,6 +571,7 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde } if (clk_mask && data_mask) { + /* system specific masks */ i2c.mask_clk_mask = clk_mask; i2c.mask_data_mask = data_mask; i2c.a_clk_mask = clk_mask; @@ -579,7 +580,19 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde i2c.en_data_mask = data_mask; i2c.y_clk_mask = clk_mask; i2c.y_data_mask = data_mask; + } else if ((ddc_line == RADEON_GPIOPAD_MASK) || + (ddc_line == RADEON_MDGPIO_MASK)) { + /* default gpiopad masks */ + i2c.mask_clk_mask = (0x20 << 8); + i2c.mask_data_mask = 0x80; + i2c.a_clk_mask = (0x20 << 8); + i2c.a_data_mask = 0x80; + i2c.en_clk_mask = (0x20 << 8); + i2c.en_data_mask = 0x80; + i2c.y_clk_mask = (0x20 << 8); + i2c.y_data_mask = 0x80; } else { + /* default masks for ddc pads */ i2c.mask_clk_mask = RADEON_GPIO_EN_1; i2c.mask_data_mask = RADEON_GPIO_EN_0; i2c.a_clk_mask = RADEON_GPIO_A_1; -- 1.7.1.1