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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 16:58:07 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-08 16:58:07 +0000 |
| commit | 5a6d13c86f2fe6304450e907fc1d8d72da82efef (patch) | |
| tree | 1bd4e8854203c575eabaa99e2c509f8886065733 /drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c | |
| parent | Adding upstream version 6.1.76. (diff) | |
| download | linux-5a6d13c86f2fe6304450e907fc1d8d72da82efef.tar.xz linux-5a6d13c86f2fe6304450e907fc1d8d72da82efef.zip | |
Adding upstream version 6.1.82.upstream/6.1.82
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c')
| -rw-r--r-- | drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c index 585cf3f53..00dca284c 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c @@ -281,11 +281,25 @@ static void rkisp1_isp_stop(struct rkisp1_isp *isp) * ISP(mi) stop in mi frame end -> Stop ISP(mipi) -> * Stop ISP(isp) ->wait for ISP isp off */ - /* stop and clear MI and ISP interrupts */ - rkisp1_write(rkisp1, RKISP1_CIF_ISP_IMSC, 0); - rkisp1_write(rkisp1, RKISP1_CIF_ISP_ICR, ~0); + /* Mask MI and ISP interrupts */ + rkisp1_write(rkisp1, RKISP1_CIF_ISP_IMSC, 0); rkisp1_write(rkisp1, RKISP1_CIF_MI_IMSC, 0); + + /* Flush posted writes */ + rkisp1_read(rkisp1, RKISP1_CIF_MI_IMSC); + + /* + * Wait until the IRQ handler has ended. The IRQ handler may get called + * even after this, but it will return immediately as the MI and ISP + * interrupts have been masked. + */ + synchronize_irq(rkisp1->irqs[RKISP1_IRQ_ISP]); + if (rkisp1->irqs[RKISP1_IRQ_ISP] != rkisp1->irqs[RKISP1_IRQ_MI]) + synchronize_irq(rkisp1->irqs[RKISP1_IRQ_MI]); + + /* Clear MI and ISP interrupt status */ + rkisp1_write(rkisp1, RKISP1_CIF_ISP_ICR, ~0); rkisp1_write(rkisp1, RKISP1_CIF_MI_ICR, ~0); /* stop ISP */ |