[Bug 97306] Graphic Reset after Suspend to RAM

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97306

yann <yann.argotti at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|intel-gfx-bugs at lists.freede |idr at freedesktop.org
                   |sktop.org                   |
            Product|DRI                         |Mesa
          Component|DRM/Intel                   |Drivers/DRI/i915
            Version|unspecified                 |git
         QA Contact|intel-gfx-bugs at lists.freede |
                   |sktop.org                   |

--- Comment #2 from yann <yann.argotti at intel.com> ---
Assigning to Mesa product (please let me know if I am mistaken with this GPU
Hang).

>From this error dump, hung is happening in render ring batch with active head
at 0x0052e21c, with 0x7a000002 (PIPE_CONTROL) as IPEHR.

Batch extract (around 0x0052e21c):

0x0052e1f4:      0x7b003c04: 3DPRIMITIVE: rect list sequential
0x0052e1f8:      0x00000003:    vertex count
0x0052e1fc:      0x00000000:    start vertex
0x0052e200:      0x00000001:    instance count
0x0052e204:      0x00000000:    start instance
0x0052e208:      0x00000000:    index bias
0x0052e20c:      0x7a000002: PIPE_CONTROL
0x0052e210:      0x00101000:    no write, cs stall, render target cache flush,
0x0052e214:      0x00000000:
0x0052e218:      0x00000000:
0x0052e21c:      0x78011002: 3DSTATE_BINDING_TABLE_POINTERS: VS mod 0, GS mod
0, PS mod 1
0x0052e220:      0x00000000:    VS binding table
0x0052e224:      0x00000000:    GS binding table
0x0052e228:      0x0003ff60:    WM binding table

finally we may note that Instruction Stream interface done Register is not set
to default:

 INSTDONE: 0x8888fffb
    busy: EU 32
    busy: EU 31
    busy: EU 30
    busy: EU 22
    busy: EU 21
    busy: EU 20
    busy: EU 12
    busy: EU 11
    busy: EU 10
    busy: EU 02
    busy: EU 01
    busy: EU 00
    busy: HIZ

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