diff options
| author | Lucas Stach <l.stach@pengutronix.de> | 2016-08-20 01:14:43 +0300 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2016-09-15 16:29:42 +0300 |
| commit | 128a9b1dec4c379c98beb675383b49ff2d3a641d (patch) | |
| tree | fa8a3d31a9927d756e88ffcadb1b8e08ede38ba6 /drivers/gpu/drm/etnaviv | |
| parent | 2e145a22486610100cb2c6d789f56bd0c6f27718 (diff) | |
| download | linux-128a9b1dec4c379c98beb675383b49ff2d3a641d.tar.xz | |
drm/etnaviv: handle MMU exception in IRQ handler
Bit 30 of the interrupt status signals an MMU exception. Handle this
condition properly and dump some useful registers.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/etnaviv')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 15 | ||||
| -rw-r--r-- | drivers/gpu/drm/etnaviv/state_hi.xml.h | 9 |
2 files changed, 20 insertions, 4 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 9b61be847d45..39b5be3916d5 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -1363,6 +1363,21 @@ static irqreturn_t irq_handler(int irq, void *data) intr &= ~VIVS_HI_INTR_ACKNOWLEDGE_AXI_BUS_ERROR; } + if (intr & VIVS_HI_INTR_ACKNOWLEDGE_MMU_EXCEPTION) { + int i; + + dev_err_ratelimited(gpu->dev, + "MMU fault status 0x%08x\n", + gpu_read(gpu, VIVS_MMUv2_STATUS)); + for (i = 0; i < 4; i++) { + dev_err_ratelimited(gpu->dev, + "MMU %d fault addr 0x%08x\n", + i, gpu_read(gpu, + VIVS_MMUv2_EXCEPTION_ADDR(i))); + } + intr &= ~VIVS_HI_INTR_ACKNOWLEDGE_MMU_EXCEPTION; + } + while ((event = ffs(intr)) != 0) { struct fence *fence; diff --git a/drivers/gpu/drm/etnaviv/state_hi.xml.h b/drivers/gpu/drm/etnaviv/state_hi.xml.h index 807a3d9e0dd5..43c73e2ed34f 100644 --- a/drivers/gpu/drm/etnaviv/state_hi.xml.h +++ b/drivers/gpu/drm/etnaviv/state_hi.xml.h @@ -8,10 +8,10 @@ http://0x04.net/cgit/index.cgi/rules-ng-ng git clone git://0x04.net/rules-ng-ng The rules-ng-ng source files this header was generated from are: -- state_hi.xml ( 24309 bytes, from 2015-12-12 09:02:53) -- common.xml ( 18437 bytes, from 2015-12-12 09:02:53) +- state_hi.xml ( 25620 bytes, from 2016-08-19 22:07:37) +- common.xml ( 20583 bytes, from 2016-06-07 05:22:38) -Copyright (C) 2015 +Copyright (C) 2016 */ @@ -78,9 +78,10 @@ Copyright (C) 2015 #define VIVS_HI_AXI_STATUS_DET_RD_ERR 0x00000200 #define VIVS_HI_INTR_ACKNOWLEDGE 0x00000010 -#define VIVS_HI_INTR_ACKNOWLEDGE_INTR_VEC__MASK 0x7fffffff +#define VIVS_HI_INTR_ACKNOWLEDGE_INTR_VEC__MASK 0x3fffffff #define VIVS_HI_INTR_ACKNOWLEDGE_INTR_VEC__SHIFT 0 #define VIVS_HI_INTR_ACKNOWLEDGE_INTR_VEC(x) (((x) << VIVS_HI_INTR_ACKNOWLEDGE_INTR_VEC__SHIFT) & VIVS_HI_INTR_ACKNOWLEDGE_INTR_VEC__MASK) +#define VIVS_HI_INTR_ACKNOWLEDGE_MMU_EXCEPTION 0x40000000 #define VIVS_HI_INTR_ACKNOWLEDGE_AXI_BUS_ERROR 0x80000000 #define VIVS_HI_INTR_ENBL 0x00000014 |