Re: [PATCH igt v4 12/13] igt/gem_exec_parse: update registers test for v >= 8

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On Mon, Nov 14, 2016 at 08:51:21PM +0000, Robert Bragg wrote:
> This combines some parts of the recently added store_lri test with the
> registers test to be able to first load a distinguishable value before
> the LRI and explicitly read back the register to determine if the
> command succeeded or was a NOOP.
> 
> For now though we won't look at OACONTROL without checking for version 9
> of the command parser.
> 
> This updates the 'bad' test to check the OASTATUS2 register so that we
> can explicitly read back from the register to check it becomes a NOOP.
> 
> This adds a struct test_lri for associating a mask with the init/test
> values so we ignore things like hw status bits that might interfere
> with the result.
> 
> Signed-off-by: Robert Bragg <robert@xxxxxxxxxxxxx>
> Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx>
> ---
>  tests/gem_exec_parse.c | 94 ++++++++++++++++++++++++++------------------------
>  1 file changed, 49 insertions(+), 45 deletions(-)
> 
> diff --git a/tests/gem_exec_parse.c b/tests/gem_exec_parse.c
> index 2bc6340..43f25ce 100644
> --- a/tests/gem_exec_parse.c
> +++ b/tests/gem_exec_parse.c
> @@ -35,6 +35,7 @@
>  #endif
>  
>  #define DERRMR 0x44050
> +#define OASTATUS2 0x2368
>  #define OACONTROL 0x2360
>  #define SO_WRITE_OFFSET_0 0x5280
>  
> @@ -253,27 +254,35 @@ static void exec_batch_chained(int fd, uint32_t cmd_bo, uint32_t *cmds,
>  	gem_close(fd, target_bo);
>  }
>  
> -static void stray_lri(int fd, uint32_t handle)

Ahem. Why did you remove that agnostic test without replacing it?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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