Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4bfbd561 authored by Lucas Stach's avatar Lucas Stach Committed by Philipp Zabel
Browse files

gpu: ipu-v3: prg: add function to get channel configure status 



This allows channels using the PRG to check if a requested configuration
update has been applied or is still pending.

Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
[p.zabel@pengutronix.de: inverted logic: done -> pending]
Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent 0a29b1ab

drivers/gpu/ipu-v3/ipu-prg.c

+16 −0
Original line number Diff line number Diff line
@@ -347,6 +347,22 @@ int ipu_prg_channel_configure(struct ipuv3_channel *ipu_chan, 
}

EXPORT_SYMBOL_GPL(ipu_prg_channel_configure);



bool ipu_prg_channel_configure_pending(struct ipuv3_channel *ipu_chan)

{

	int prg_chan = ipu_prg_ipu_to_prg_chan(ipu_chan->num);

	struct ipu_prg *prg = ipu_chan->ipu->prg_priv;

	struct ipu_prg_channel *chan;



	if (prg_chan < 0)

		return false;



	chan = &prg->chan[prg_chan];

	WARN_ON(!chan->enabled);



	return ipu_pre_update_pending(prg->pres[chan->used_pre]);

}

EXPORT_SYMBOL_GPL(ipu_prg_channel_configure_pending);



static int ipu_prg_probe(struct platform_device *pdev)

{

	struct device *dev = &pdev->dev;

include/video/imx-ipu-v3.h

+1 −0
Original line number Diff line number Diff line
@@ -348,6 +348,7 @@ int ipu_prg_channel_configure(struct ipuv3_channel *ipu_chan, 
			      unsigned int axi_id,  unsigned int width,

			      unsigned int height, unsigned int stride,

			      u32 format, uint64_t modifier, unsigned long *eba);

bool ipu_prg_channel_configure_pending(struct ipuv3_channel *ipu_chan);



/*

 * IPU CMOS Sensor Interface (csi) functions