hi,
On Thu, Aug 16, 2018, 4:48 PM Lepton Wu wrote:
>
> Does https://patchwork.freedesktop.org/patch/238931/ already fix this?
> What's the advantage to use MAP_FAILED instead of NULL?
yea that patch should work fine, i didnt see it go by.
the advantage of MAP_FAILED is it's more fault
On 16 August 2018 at 21:37, Ray Strode wrote:
> From: Ray Strode
>
> At the moment, depending on pipe transfer flags, the dumb
> buffer map address can end up at either kms_sw_dt->ro_mapped
> or kms_sw_dt->mapped.
>
> When it's time to unmap the dumb buffer, both locations get unmapped,
> even
On Thu, Aug 16, 2018 at 1:37 PM Ray Strode wrote:
>
> From: Ray Strode
>
> At the moment, depending on pipe transfer flags, the dumb
> buffer map address can end up at either kms_sw_dt->ro_mapped
> or kms_sw_dt->mapped.
>
> When it's time to unmap the dumb buffer, both locations get unmapped,
>
From: Ray Strode
At the moment, depending on pipe transfer flags, the dumb
buffer map address can end up at either kms_sw_dt->ro_mapped
or kms_sw_dt->mapped.
When it's time to unmap the dumb buffer, both locations get unmapped,
even though one is probably initialized to 0.
That leads to the
