[Mesa-dev] [PATCH 1/4] r600g: avoid redundant DB register updates

[Marc Dietrich]

Am Dienstag, 25. April 2017, 13:59:44 CEST schrieb Constantine Kharlamov:
> Split out of "avoid redundant CB register updates" for easier review.
> 
> Signed-off-by: Constantine Kharlamov <Hi-Angel at yandex.ru>
> Tested-by: Dieter Nützel <Dieter at nuetzel-hh.de>
> ---

This one generates GPU crashes here (RS880) when running UH4:

radeon 0000:01:05.0: ring 0 stalled for more than 10240msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d865 on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 10460msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d934 on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 10972msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93d on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 11484msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93d on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 11996msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 12508msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 13020msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 13532msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 14044msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 14556msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 15068msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 15580msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 16092msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 16604msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 17116msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 17628msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 18140msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 18652msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 19164msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 19676msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d93f on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 20188msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d940 on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 20700msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d940 on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 21212msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d940 on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 21724msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d940 on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 22236msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d940 on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 22748msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d940 on ring 0)
radeon 0000:01:05.0: ring 0 stalled for more than 23260msec
radeon 0000:01:05.0: GPU lockup (current fence id 0x000000000000d85e last 
fence id 0x000000000000d940 on ring 0)
radeon 0000:01:05.0: Saved 5241 dwords of commands on ring 0.
radeon 0000:01:05.0: GPU softreset: 0x00000008
radeon 0000:01:05.0:   R_008010_GRBM_STATUS      = 0xA0002030
radeon 0000:01:05.0:   R_008014_GRBM_STATUS2     = 0x00000003
radeon 0000:01:05.0:   R_000E50_SRBM_STATUS      = 0x20000040
radeon 0000:01:05.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
radeon 0000:01:05.0:   R_008678_CP_STALLED_STAT2 = 0x00040002
radeon 0000:01:05.0:   R_00867C_CP_BUSY_STAT     = 0x00020186
radeon 0000:01:05.0:   R_008680_CP_STAT          = 0x80078645
radeon 0000:01:05.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
radeon 0000:01:05.0: R_008020_GRBM_SOFT_RESET=0x00004001
radeon 0000:01:05.0: SRBM_SOFT_RESET=0x00000100
radeon 0000:01:05.0:   R_008010_GRBM_STATUS      = 0xA0003030
radeon 0000:01:05.0:   R_008014_GRBM_STATUS2     = 0x00000003
radeon 0000:01:05.0:   R_000E50_SRBM_STATUS      = 0x20008040
radeon 0000:01:05.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
radeon 0000:01:05.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
radeon 0000:01:05.0:   R_00867C_CP_BUSY_STAT     = 0x00000000
radeon 0000:01:05.0:   R_008680_CP_STAT          = 0x80100000
radeon 0000:01:05.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
radeon 0000:01:05.0: GPU reset succeeded, trying to resume
[drm] PCIE GART of 512M enabled (table at 0x00000000C0146000).
radeon 0000:01:05.0: WB enabled
radeon 0000:01:05.0: fence driver on ring 0 use gpu addr 0x00000000a0000c00 
and cpu addr 0xffff976161e88c00
radeon 0000:01:05.0: fence driver on ring 5 use gpu addr 0x00000000c0056038 
and cpu addr 0xffffa96581816038
[drm] ring test on 0 succeeded in 1 usecs
[drm] ring test on 5 succeeded in 1 usecs
[drm] UVD initialized successfully.
[drm:r600_ib_test [radeon]] *ERROR* radeon: fence wait timed out.
[drm:radeon_ib_ring_tests [radeon]] *ERROR* radeon: failed testing IB on GFX 
ring (-110).


Marc
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