From b6067da4ebf9db5e4b026220b13dce3528032b88 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 26 Feb 2020 13:25:04 +0200 Subject: drm/omap: hdmi5: Simplify EDID read Now that the omap_dss_device EDID read operation has been removed, simplify the bridge-based EDID access by merging multiple functions together. Signed-off-by: Laurent Pinchart Reviewed-by: Tomi Valkeinen Tested-by: Sebastian Reichel Reviewed-by: Sebastian Reichel Signed-off-by: Tomi Valkeinen Link: https://patchwork.freedesktop.org/patch/msgid/20200226112514.12455-45-laurent.pinchart@ideasonboard.com --- drivers/gpu/drm/omapdrm/dss/hdmi5.c | 86 +++++++++++++++---------------------- 1 file changed, 35 insertions(+), 51 deletions(-) (limited to 'drivers/gpu/drm/omapdrm') diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index 6cb709c775d6..4d4c1fabd0a1 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -307,50 +307,6 @@ static void hdmi_core_disable(struct omap_hdmi *hdmi) mutex_unlock(&hdmi->lock); } -static struct edid * -hdmi_do_read_edid(struct omap_hdmi *hdmi, - struct edid *(*read)(struct omap_hdmi *hdmi, - struct drm_connector *connector), - struct drm_connector *connector) -{ - struct edid *edid; - bool need_enable; - int idlemode; - int r; - - need_enable = hdmi->core_enabled == false; - - if (need_enable) { - r = hdmi_core_enable(hdmi); - if (r) - return NULL; - } - - mutex_lock(&hdmi->lock); - r = hdmi_runtime_get(hdmi); - BUG_ON(r); - - idlemode = REG_GET(hdmi->wp.base, HDMI_WP_SYSCONFIG, 3, 2); - /* No-idle mode */ - REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2); - - hdmi5_core_ddc_init(&hdmi->core); - - edid = read(hdmi, connector); - - hdmi5_core_ddc_uninit(&hdmi->core); - - REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2); - - hdmi_runtime_put(hdmi); - mutex_unlock(&hdmi->lock); - - if (need_enable) - hdmi_core_disable(hdmi); - - return (struct edid *)edid; -} - /* ----------------------------------------------------------------------------- * DRM Bridge Operations */ @@ -469,18 +425,46 @@ static void hdmi5_bridge_disable(struct drm_bridge *bridge, mutex_unlock(&hdmi->lock); } -static struct edid *hdmi5_bridge_read_edid(struct omap_hdmi *hdmi, - struct drm_connector *connector) -{ - return drm_do_get_edid(connector, hdmi5_core_ddc_read, &hdmi->core); -} - static struct edid *hdmi5_bridge_get_edid(struct drm_bridge *bridge, struct drm_connector *connector) { struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge); + struct edid *edid; + bool need_enable; + int idlemode; + int r; + + need_enable = hdmi->core_enabled == false; + + if (need_enable) { + r = hdmi_core_enable(hdmi); + if (r) + return NULL; + } + + mutex_lock(&hdmi->lock); + r = hdmi_runtime_get(hdmi); + BUG_ON(r); - return hdmi_do_read_edid(hdmi, hdmi5_bridge_read_edid, connector); + idlemode = REG_GET(hdmi->wp.base, HDMI_WP_SYSCONFIG, 3, 2); + /* No-idle mode */ + REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2); + + hdmi5_core_ddc_init(&hdmi->core); + + edid = drm_do_get_edid(connector, hdmi5_core_ddc_read, &hdmi->core); + + hdmi5_core_ddc_uninit(&hdmi->core); + + REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2); + + hdmi_runtime_put(hdmi); + mutex_unlock(&hdmi->lock); + + if (need_enable) + hdmi_core_disable(hdmi); + + return (struct edid *)edid; } static const struct drm_bridge_funcs hdmi5_bridge_funcs = { -- cgit v1.2.3