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authorSteve Longerbeam <slongerbeam@gmail.com>2020-06-25 11:13:37 -0700
committerPhilipp Zabel <p.zabel@pengutronix.de>2020-07-20 15:16:05 +0200
commitdd81d821d0b3f77d949d0cac5c05c1f05b921d46 (patch)
tree068b22d45e7726f8dfefe2221b095c59ae5cfd8b /drivers/gpu/drm/imx
parent0f6245f42ce9b7e4d20f2cda8d5f12b55a44d7d1 (diff)
downloadlinux-dd81d821d0b3f77d949d0cac5c05c1f05b921d46.tar.bz2
gpu: ipu-v3: image-convert: Wait for all EOFs before completing a tile
Use a bit-mask of EOF irqs to determine when all required idmac channel EOFs have been received for a tile conversion, and only do tile completion processing after all EOFs have been received. Otherwise it was found that a conversion would stall after the completion of a tile and the start of the next tile, because the input/read idmac channel had not completed and entered idle state, thus locking up the channel when attempting to re-start it for the next tile. Fixes: 0537db801bb01 ("gpu: ipu-v3: image-convert: reconfigure IC per tile") Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/imx')
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