On 2/14/20 10:29 AM, Chris Wilson wrote:
Quoting Daniele Ceraolo Spurio (2020-02-14 17:56:58)
On 2/12/20 4:49 PM, Brian Welty wrote:
On 2/12/2020 4:34 PM, Chris Wilson wrote:
Quoting Brian Welty (2020-02-13 00:14:18)
For DGFX devices, the MOCS control value is not initialized or used.
Quoting Chris Wilson (2020-02-14 18:29:31)
> +static bool has_l3cc(struct drm_i915_private *i915)
> +{
> + return true;
> +}
> +
> +static bool has_mocs(struct drm_i915_private *i915)
> +{
> + return !IS_DGFX(i915);
> +}
> +
> static int live_mocs_init(struct live_mocs *arg, struct int
Quoting Daniele Ceraolo Spurio (2020-02-14 17:56:58)
>
>
> On 2/12/20 4:49 PM, Brian Welty wrote:
> >
> > On 2/12/2020 4:34 PM, Chris Wilson wrote:
> >> Quoting Brian Welty (2020-02-13 00:14:18)
> >>> For DGFX devices, the MOCS control value is not initialized or used.
> >>
> >> Then why is the
On 2/12/20 4:49 PM, Brian Welty wrote:
On 2/12/2020 4:34 PM, Chris Wilson wrote:
Quoting Brian Welty (2020-02-13 00:14:18)
For DGFX devices, the MOCS control value is not initialized or used.
Then why is the table populated?
-Chris
The format has changed (been reduced?) for DGFX.
drm
On 2/12/2020 4:34 PM, Chris Wilson wrote:
> Quoting Brian Welty (2020-02-13 00:14:18)
>> For DGFX devices, the MOCS control value is not initialized or used.
>
> Then why is the table populated?
> -Chris
>
The format has changed (been reduced?) for DGFX.
drm_i915_mocs_entry.l3cc_value is wha
Quoting Brian Welty (2020-02-13 00:14:18)
> For DGFX devices, the MOCS control value is not initialized or used.
Then why is the table populated?
-Chris
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For DGFX devices, the MOCS control value is not initialized or used.
Update the selftest to skip reading and checking control values
for these devices.
References: e6e2ac07118b ("drm/i915: do not set MOCS control values on dgfx")
Fixes: 3fb33cd32ffd ("drm/i915/selftests: Add coverage of mocs regis
