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-rw-r--r--drivers/gpu/ipu-v3/ipu-dc.c61
1 files changed, 4 insertions, 57 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-dc.c b/drivers/gpu/ipu-v3/ipu-dc.c
index 659475c1e44a..7a4b8362dda8 100644
--- a/drivers/gpu/ipu-v3/ipu-dc.c
+++ b/drivers/gpu/ipu-v3/ipu-dc.c
@@ -112,8 +112,6 @@ struct ipu_dc_priv {
struct ipu_dc channels[IPU_DC_NUM_CHANNELS];
struct mutex mutex;
struct completion comp;
- int dc_irq;
- int dp_irq;
int use_count;
};
@@ -262,47 +260,13 @@ void ipu_dc_enable_channel(struct ipu_dc *dc)
}
EXPORT_SYMBOL_GPL(ipu_dc_enable_channel);
-static irqreturn_t dc_irq_handler(int irq, void *dev_id)
-{
- struct ipu_dc *dc = dev_id;
- u32 reg;
-
- reg = readl(dc->base + DC_WR_CH_CONF);
- reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
- writel(reg, dc->base + DC_WR_CH_CONF);
-
- /* The Freescale BSP kernel clears DIx_COUNTER_RELEASE here */
-
- complete(&dc->priv->comp);
- return IRQ_HANDLED;
-}
-
void ipu_dc_disable_channel(struct ipu_dc *dc)
{
- struct ipu_dc_priv *priv = dc->priv;
- int irq;
- unsigned long ret;
u32 val;
- /* TODO: Handle MEM_FG_SYNC differently from MEM_BG_SYNC */
- if (dc->chno == 1)
- irq = priv->dc_irq;
- else if (dc->chno == 5)
- irq = priv->dp_irq;
- else
- return;
-
- init_completion(&priv->comp);
- enable_irq(irq);
- ret = wait_for_completion_timeout(&priv->comp, msecs_to_jiffies(50));
- disable_irq(irq);
- if (ret == 0) {
- dev_warn(priv->dev, "DC stop timeout after 50 ms\n");
-
- val = readl(dc->base + DC_WR_CH_CONF);
- val &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
- writel(val, dc->base + DC_WR_CH_CONF);
- }
+ val = readl(dc->base + DC_WR_CH_CONF);
+ val &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
+ writel(val, dc->base + DC_WR_CH_CONF);
}
EXPORT_SYMBOL_GPL(ipu_dc_disable_channel);
@@ -389,7 +353,7 @@ int ipu_dc_init(struct ipu_soc *ipu, struct device *dev,
struct ipu_dc_priv *priv;
static int channel_offsets[] = { 0, 0x1c, 0x38, 0x54, 0x58, 0x5c,
0x78, 0, 0x94, 0xb4};
- int i, ret;
+ int i;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
@@ -410,23 +374,6 @@ int ipu_dc_init(struct ipu_soc *ipu, struct device *dev,
priv->channels[i].base = priv->dc_reg + channel_offsets[i];
}
- priv->dc_irq = ipu_map_irq(ipu, IPU_IRQ_DC_FC_1);
- if (!priv->dc_irq)
- return -EINVAL;
- ret = devm_request_irq(dev, priv->dc_irq, dc_irq_handler, 0, NULL,
- &priv->channels[1]);
- if (ret < 0)
- return ret;
- disable_irq(priv->dc_irq);
- priv->dp_irq = ipu_map_irq(ipu, IPU_IRQ_DP_SF_END);
- if (!priv->dp_irq)
- return -EINVAL;
- ret = devm_request_irq(dev, priv->dp_irq, dc_irq_handler, 0, NULL,
- &priv->channels[5]);
- if (ret < 0)
- return ret;
- disable_irq(priv->dp_irq);
-
writel(DC_WR_CH_CONF_WORD_SIZE_24 | DC_WR_CH_CONF_DISP_ID_PARALLEL(1) |
DC_WR_CH_CONF_PROG_DI_ID,
priv->channels[1].base + DC_WR_CH_CONF);