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gpu: ipu-v3: remove interrupt busy waiting routine

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This is not used anymore since commit eb8c88808c ("drm/imx: add
deferred plane disabling"), remove it.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Philipp Zabel 2017-05-15 16:31:37 +02:00
parent 93adc8b570
commit ffb40733fe
2 changed files with 0 additions and 17 deletions
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16
drivers/gpu/ipu-v3/ipu-common.c
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@ -597,22 +597,6 @@ int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms)
}
EXPORT_SYMBOL_GPL(ipu_idmac_wait_busy);
int ipu_wait_interrupt(struct ipu_soc *ipu, int irq, int ms)
{
unsigned long timeout;
timeout = jiffies + msecs_to_jiffies(ms);
ipu_cm_write(ipu, BIT(irq % 32), IPU_INT_STAT(irq / 32));
while (!(ipu_cm_read(ipu, IPU_INT_STAT(irq / 32) & BIT(irq % 32)))) {
if (time_after(jiffies, timeout))
return -ETIMEDOUT;
cpu_relax();
}
return 0;
}
EXPORT_SYMBOL_GPL(ipu_wait_interrupt);
int ipu_idmac_disable_channel(struct ipuv3_channel *channel)
{
struct ipu_soc *ipu = channel->ipu;

1
drivers/gpu/ipu-v3/ipu-prv.h
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@ -225,7 +225,6 @@ int ipu_module_enable(struct ipu_soc *ipu, u32 mask);
int ipu_module_disable(struct ipu_soc *ipu, u32 mask);
bool ipu_idmac_channel_busy(struct ipu_soc *ipu, unsigned int chno);
int ipu_wait_interrupt(struct ipu_soc *ipu, int irq, int ms);
int ipu_csi_init(struct ipu_soc *ipu, struct device *dev, int id,
unsigned long base, u32 module, struct clk *clk_ipu);