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path: root/drivers/gpu/drm/msm/dsi/dsi_manager.c
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Diffstat (limited to 'drivers/gpu/drm/msm/dsi/dsi_manager.c')
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_manager.c38
1 files changed, 1 insertions, 37 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
index 1bbac72dad35..2197a54b9b96 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
@@ -34,32 +34,6 @@ static struct msm_dsi_manager msm_dsim_glb;
#define IS_SYNC_NEEDED() (msm_dsim_glb.is_sync_needed)
#define IS_MASTER_DSI_LINK(id) (msm_dsim_glb.master_dsi_link_id == id)
-#ifdef CONFIG_OF
-static bool dsi_mgr_power_on_early(struct drm_bridge *bridge)
-{
- struct drm_bridge *next_bridge = drm_bridge_get_next_bridge(bridge);
-
- /*
- * If the next bridge in the chain is the Parade ps8640 bridge chip
- * then don't power on early since it seems to violate the expectations
- * of the firmware that the bridge chip is running.
- *
- * NOTE: this is expected to be a temporary special case. It's expected
- * that we'll eventually have a framework that allows the next level
- * bridge to indicate whether it needs us to power on before it or
- * after it. When that framework is in place then we'll use it and
- * remove this special case.
- */
- return !(next_bridge && next_bridge->of_node &&
- of_device_is_compatible(next_bridge->of_node, "parade,ps8640"));
-}
-#else
-static inline bool dsi_mgr_power_on_early(struct drm_bridge *bridge)
-{
- return true;
-}
-#endif
-
static inline struct msm_dsi *dsi_mgr_get_dsi(int id)
{
return msm_dsim_glb.dsi[id];
@@ -265,12 +239,6 @@ static void dsi_mgr_bridge_power_on(struct drm_bridge *bridge)
int ret;
DBG("id=%d", id);
- if (!msm_dsi_device_connected(msm_dsi))
- return;
-
- /* Do nothing with the host if it is slave-DSI in case of bonded DSI */
- if (is_bonded_dsi && !IS_MASTER_DSI_LINK(id))
- return;
ret = dsi_mgr_phy_enable(id, phy_shared_timings);
if (ret)
@@ -327,8 +295,7 @@ static void dsi_mgr_bridge_pre_enable(struct drm_bridge *bridge)
if (is_bonded_dsi && !IS_MASTER_DSI_LINK(id))
return;
- if (!dsi_mgr_power_on_early(bridge))
- dsi_mgr_bridge_power_on(bridge);
+ dsi_mgr_bridge_power_on(bridge);
ret = msm_dsi_host_enable(host);
if (ret) {
@@ -438,9 +405,6 @@ static void dsi_mgr_bridge_mode_set(struct drm_bridge *bridge,
msm_dsi_host_set_display_mode(host, adjusted_mode);
if (is_bonded_dsi && other_dsi)
msm_dsi_host_set_display_mode(other_dsi->host, adjusted_mode);
-
- if (dsi_mgr_power_on_early(bridge))
- dsi_mgr_bridge_power_on(bridge);
}
static enum drm_mode_status dsi_mgr_bridge_mode_valid(struct drm_bridge *bridge,