[igt-dev] [PATCH i-g-t 1/8] lib/psr: Add a macro with the maximum lenght of i915_edp_psr_status and use it

[Souza, Jose]

On Mon, 2019-01-07 at 20:38 +0000, Chris Wilson wrote:
> Quoting José Roberto de Souza (2019-01-07 19:10:49)
> > So every function reading i915_edp_psr_status can allocate a buffer
> > long enough.
> 
> Or just use 
> 
> char *buf = igt_sysfs_get(debugfs_fd, "i915_edp_psr_status");
> ...
> free(buf);

In some places we read the this debugfs several times per second, so
not a good a idea to do dynamic allocation.

> -Chris
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