From d346c14eeea97898bb55e3432ca391cc05ceabe7 Mon Sep 17 00:00:00 2001 From: Andy Yan Date: Fri, 5 Dec 2014 14:31:53 +0800 Subject: [PATCH] drm: bridge/dw_hdmi: add function dw_hdmi_phy_enable_spare RK3288 HDMI will not work without the spare bit of HDMI_PHY_CONF0 enable Signed-off-by: Andy Yan Tested-by: Russell King Acked-by: Russell King Signed-off-by: Philipp Zabel --- drivers/gpu/drm/bridge/dw_hdmi.c | 7 +++++++ drivers/gpu/drm/bridge/dw_hdmi.h | 3 ++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c index d39dccd41e5a..3a97c8419d4f 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -713,6 +713,13 @@ static void dw_hdmi_phy_enable_tmds(struct dw_hdmi *hdmi, u8 enable) HDMI_PHY_CONF0_ENTMDS_MASK); } +static void dw_hdmi_phy_enable_spare(struct dw_hdmi *hdmi, u8 enable) +{ + hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0, + HDMI_PHY_CONF0_SPARECTRL_OFFSET, + HDMI_PHY_CONF0_SPARECTRL_MASK); +} + static void dw_hdmi_phy_gen2_pddq(struct dw_hdmi *hdmi, u8 enable) { hdmi_mask_writeb(hdmi, enable, HDMI_PHY_CONF0, diff --git a/drivers/gpu/drm/bridge/dw_hdmi.h b/drivers/gpu/drm/bridge/dw_hdmi.h index baa7849851d4..175dbc89a824 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.h +++ b/drivers/gpu/drm/bridge/dw_hdmi.h @@ -837,7 +837,8 @@ enum { HDMI_PHY_CONF0_PDZ_OFFSET = 7, HDMI_PHY_CONF0_ENTMDS_MASK = 0x40, HDMI_PHY_CONF0_ENTMDS_OFFSET = 6, - HDMI_PHY_CONF0_SPARECTRL = 0x20, + HDMI_PHY_CONF0_SPARECTRL_MASK = 0x20, + HDMI_PHY_CONF0_SPARECTRL_OFFSET = 5, HDMI_PHY_CONF0_GEN2_PDDQ_MASK = 0x10, HDMI_PHY_CONF0_GEN2_PDDQ_OFFSET = 4, HDMI_PHY_CONF0_GEN2_TXPWRON_MASK = 0x8, -- 2.30.2