linux/drivers/iommu
Sebastian Reichel 4ea794452a iommu/mediatek: Always check runtime PM status in tlb flush range callback
In case of v4l2_reqbufs() it is possible, that a TLB flush is done
without runtime PM being enabled. In that case the "Partial TLB flush
timed out, falling back to full flush" warning is printed.

Commit c0b57581b7 ("iommu/mediatek: Add power-domain operation")
introduced has_pm as optimization to avoid checking runtime PM
when there is no power domain attached. But without the PM domain
there is still the device driver's runtime PM suspend handler, which
disables the clock. Thus flushing should also be avoided when there
is no PM domain involved.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20211208120744.2415-3-dafna.hirschfeld@collabora.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2022-03-04 11:04:45 +01:00
..
amd iommu/amd: Fix loop timeout issue in iommu_ga_log_enable() 2022-02-04 12:57:26 +01:00
arm Rework of the MSI interrupt infrastructure: 2022-01-13 09:05:29 -08:00
intel iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping() 2022-01-31 16:53:09 +01:00
apple-dart.c pci-v5.16-changes 2021-11-06 14:36:12 -07:00
dma-iommu.c iommu: Move flush queue data into iommu_dma_cookie 2021-12-20 09:03:05 +01:00
exynos-iommu.c iommu/exynos: Drop IOVA cookie management 2021-08-18 13:25:31 +02:00
fsl_pamu_domain.c iommu: Streamline registration interface 2021-04-16 17:20:45 +02:00
fsl_pamu_domain.h iommu/fsl_pamu: remove the snoop_id field 2021-04-07 10:56:52 +02:00
fsl_pamu.c iommu/fsl_pamu: hardcode the window address and size in pamu_config_ppaace 2021-04-07 10:56:52 +02:00
fsl_pamu.h iommu/fsl_pamu: hardcode the window address and size in pamu_config_ppaace 2021-04-07 10:56:52 +02:00
hyperv-iommu.c iommu/hyperv: setup an IO-APIC IRQ remapping domain for root partition 2021-02-11 08:47:07 +00:00
io-pgfault.c iommu: Add a page fault handler 2021-04-07 10:54:29 +02:00
io-pgtable-arm-v7s.c iommu/io-pgtable-arm-v7s: Add error handle for page table allocation failure 2021-12-14 14:45:35 +00:00
io-pgtable-arm.c iommu/io-pgtable-arm: Fix table descriptor paddr formatting 2021-12-06 13:03:01 +01:00
io-pgtable-arm.h iommu/io-pgtable-arm: Move some definitions to a header 2020-09-28 23:48:06 +01:00
io-pgtable.c iommu/io-pgtable: Add DART pagetable format 2021-08-12 13:15:02 +02:00
ioasid.c iommu: Fix some W=1 warnings 2022-01-31 16:49:54 +01:00
iommu-debugfs.c
iommu-sva-lib.c iommu/sva: Add PASID helpers 2020-11-23 14:16:55 +00:00
iommu-sva-lib.h iommu: Add a page fault handler 2021-04-07 10:54:29 +02:00
iommu-sysfs.c drivers/iommu: Export core IOMMU API symbols to permit modular drivers 2019-12-23 14:06:05 +01:00
iommu-traces.c
iommu.c iommu: Fix some W=1 warnings 2022-01-31 16:49:54 +01:00
iova.c iommu: Move flush queue data into iommu_dma_cookie 2021-12-20 09:03:05 +01:00
ipmmu-vmsa.c iommu/ipmmu-vmsa: Hook up r8a77980 DT matching code 2021-09-28 11:43:50 +02:00
irq_remapping.c x86: Kill all traces of irq_remapping_get_irq_domain() 2020-10-28 20:26:28 +01:00
irq_remapping.h x86: Kill all traces of irq_remapping_get_irq_domain() 2020-10-28 20:26:28 +01:00
Kconfig iommu/arm: fix ARM_SMMU_QCOM compilation 2021-10-13 21:28:44 +02:00
Makefile iommu/dart: Add DART iommu driver 2021-08-12 13:15:02 +02:00
msm_iommu_hw-8xxx.h
msm_iommu.c iommu: Drop unnecessary of_iommu.h includes 2021-06-08 14:15:46 +02:00
msm_iommu.h
mtk_iommu_v1.c iommu/mtk: Drop IOVA cookie management 2021-08-18 13:25:32 +02:00
mtk_iommu.c iommu/mediatek: Always check runtime PM status in tlb flush range callback 2022-03-04 11:04:45 +01:00
mtk_iommu.h iommu/mediatek: Add mt8192 support 2021-02-01 11:31:19 +00:00
of_iommu.c iommu: Remove unused of_get_dma_window() 2021-06-08 14:15:46 +02:00
omap-iommu-debug.c iommu/omap: Check for failure of a call to omap_iommu_dump_ctx 2020-07-22 15:02:33 +02:00
omap-iommu.c iommu: Fix some W=1 warnings 2022-01-31 16:49:54 +01:00
omap-iommu.h iommu/omap: add support for late attachment of iommu devices 2019-08-09 17:37:10 +02:00
omap-iopgtable.h iommu/omap: Fix -Woverflow warnings when compiling on 64-bit architectures 2020-03-04 16:24:46 +01:00
rockchip-iommu.c iommu/rockchip: Fix PAGE_DESC_HI_MASKs for RK3568 2021-11-26 22:54:20 +01:00
s390-iommu.c s390/pci: use physical addresses in DMA tables 2021-12-06 14:42:26 +01:00
sprd-iommu.c iommu/sprd: Drop IOVA cookie management 2021-08-18 13:25:32 +02:00
sun50i-iommu.c iommu/sun50i: Drop IOVA cookie management 2021-08-18 13:25:32 +02:00
tegra-gart.c iommu: Streamline registration interface 2021-04-16 17:20:45 +02:00
tegra-smmu.c iommu/tegra-smmu: Use devm_bitmap_zalloc when applicable 2021-10-18 13:39:41 +02:00
virtio-iommu.c virtio,vdpa,qemu_fw_cfg: features, cleanups, fixes 2022-01-18 10:05:48 +02:00