From f9bb7acb9b19a40dbd9d1b89380335dc8e23925f Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Fri, 24 Feb 2017 18:23:55 +0100
Subject: gpu: ipu-v3: add unsynchronised DP channel disabling
When disabling the foreground DP channel during a modeset, the DC is
already disabled without waiting for end of frame. There is no reason
to wait for a frame boundary before updating the DP registers in that
case.
Add support to apply updates immediately. No functional changes, yet.
Signed-off-by: Philipp Zabel
Reviewed-by: Lucas Stach
---
drivers/gpu/ipu-v3/ipu-dp.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
(limited to 'drivers/gpu/ipu-v3/ipu-dp.c')
diff --git a/drivers/gpu/ipu-v3/ipu-dp.c b/drivers/gpu/ipu-v3/ipu-dp.c
index 98686edbcdbb..0e09c98248a0 100644
--- a/drivers/gpu/ipu-v3/ipu-dp.c
+++ b/drivers/gpu/ipu-v3/ipu-dp.c
@@ -112,7 +112,7 @@ int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable,
writel(reg & ~DP_COM_CONF_GWAM, flow->base + DP_COM_CONF);
}
- ipu_srm_dp_sync_update(priv->ipu);
+ ipu_srm_dp_update(priv->ipu, true);
mutex_unlock(&priv->mutex);
@@ -127,7 +127,7 @@ int ipu_dp_set_window_pos(struct ipu_dp *dp, u16 x_pos, u16 y_pos)
writel((x_pos << 16) | y_pos, flow->base + DP_FG_POS);
- ipu_srm_dp_sync_update(priv->ipu);
+ ipu_srm_dp_update(priv->ipu, true);
return 0;
}
@@ -207,7 +207,7 @@ int ipu_dp_setup_channel(struct ipu_dp *dp,
flow->out_cs, DP_COM_CONF_CSC_DEF_FG);
}
- ipu_srm_dp_sync_update(priv->ipu);
+ ipu_srm_dp_update(priv->ipu, true);
mutex_unlock(&priv->mutex);
@@ -247,7 +247,7 @@ int ipu_dp_enable_channel(struct ipu_dp *dp)
reg |= DP_COM_CONF_FG_EN;
writel(reg, flow->base + DP_COM_CONF);
- ipu_srm_dp_sync_update(priv->ipu);
+ ipu_srm_dp_update(priv->ipu, true);
mutex_unlock(&priv->mutex);
@@ -255,7 +255,7 @@ int ipu_dp_enable_channel(struct ipu_dp *dp)
}
EXPORT_SYMBOL_GPL(ipu_dp_enable_channel);
-void ipu_dp_disable_channel(struct ipu_dp *dp)
+void ipu_dp_disable_channel(struct ipu_dp *dp, bool sync)
{
struct ipu_flow *flow = to_flow(dp);
struct ipu_dp_priv *priv = flow->priv;
@@ -275,7 +275,7 @@ void ipu_dp_disable_channel(struct ipu_dp *dp)
writel(reg, flow->base + DP_COM_CONF);
writel(0, flow->base + DP_FG_POS);
- ipu_srm_dp_sync_update(priv->ipu);
+ ipu_srm_dp_update(priv->ipu, sync);
if (ipu_idmac_channel_busy(priv->ipu, IPUV3_CHANNEL_MEM_BG_SYNC))
ipu_wait_interrupt(priv->ipu, IPU_IRQ_DP_SF_END, 50);
--
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