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| author | Rob Clark <robdclark@chromium.org> | 2019-09-04 09:56:03 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2019-09-04 10:05:05 -0700 |
| commit | 9f614197c744002f9968e82c649fdf7fe778e1e7 (patch) | |
| tree | c4ca7e80e6b2b283a7ac066ad4116777ede94a93 /drivers/gpu | |
| parent | c044e86f541a20085891c41e685a4201064430b5 (diff) | |
| download | linux-9f614197c744002f9968e82c649fdf7fe778e1e7.tar.bz2 | |
drm/msm: Use the correct dma_sync calls harder
Looks like the dma_sync calls don't do what we want on armv7 either.
Fixes:
Unable to handle kernel paging request at virtual address 50001000
pgd = (ptrval)
[50001000] *pgd=00000000
Internal error: Oops: 805 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.3.0-rc6-00271-g9f159ae07f07 #4
Hardware name: Freescale i.MX53 (Device Tree Support)
PC is at v7_dma_clean_range+0x20/0x38
LR is at __dma_page_cpu_to_dev+0x28/0x90
pc : [<c011c76c>] lr : [<c01181c4>] psr: 20000013
sp : d80b5a88 ip : de96c000 fp : d840ce6c
r10: 00000000 r9 : 00000001 r8 : d843e010
r7 : 00000000 r6 : 00008000 r5 : ddb6c000 r4 : 00000000
r3 : 0000003f r2 : 00000040 r1 : 50008000 r0 : 50001000
Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
Control: 10c5387d Table: 70004019 DAC: 00000051
Process swapper/0 (pid: 1, stack limit = 0x(ptrval))
Signed-off-by: Rob Clark <robdclark@chromium.org>
Fixes: 3de433c5b38a ("drm/msm: Use the correct dma_sync calls in msm_gem")
Tested-by: Fabio Estevam <festevam@gmail.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gem.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 7263f4373f07..5a6a79fbc9d6 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -52,7 +52,7 @@ static void sync_for_device(struct msm_gem_object *msm_obj) { struct device *dev = msm_obj->base.dev->dev; - if (get_dma_ops(dev)) { + if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) { dma_sync_sg_for_device(dev, msm_obj->sgt->sgl, msm_obj->sgt->nents, DMA_BIDIRECTIONAL); } else { @@ -65,7 +65,7 @@ static void sync_for_cpu(struct msm_gem_object *msm_obj) { struct device *dev = msm_obj->base.dev->dev; - if (get_dma_ops(dev)) { + if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) { dma_sync_sg_for_cpu(dev, msm_obj->sgt->sgl, msm_obj->sgt->nents, DMA_BIDIRECTIONAL); } else { |