Quoting Stuart Summers (2019-08-02 21:51:27)
> Instead of assuming a single slice on HSW when defining
> subslices for the platform, use a local variable to set
> the maximum subslices per slice.
>
> Signed-off-by: Stuart Summers <stuart.summers@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_device_info.c | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
> index 9a79d9d547c5..2b81cc731fa2 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.c
> +++ b/drivers/gpu/drm/i915/intel_device_info.c
> @@ -541,6 +541,7 @@ static void haswell_sseu_info_init(struct drm_i915_private *dev_priv)
> {
> struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu;
> u32 fuse1;
> + u8 subslice_mask;
> int s, ss;
>
> /*
> @@ -553,16 +554,16 @@ static void haswell_sseu_info_init(struct drm_i915_private *dev_priv)
> /* fall through */
> case 1:
> sseu->slice_mask = BIT(0);
> - sseu->subslice_mask[0] = BIT(0);
> + subslice_mask = BIT(0);
> break;
> case 2:
> sseu->slice_mask = BIT(0);
> - sseu->subslice_mask[0] = BIT(0) | BIT(1);
> + subslice_mask = BIT(0) | BIT(1);
> break;
> case 3:
> sseu->slice_mask = BIT(0) | BIT(1);
> - sseu->subslice_mask[0] = BIT(0) | BIT(1);
> - sseu->subslice_mask[1] = BIT(0) | BIT(1);
> + subslice_mask = BIT(0) | BIT(1);
> + subslice_mask = BIT(0) | BIT(1);
This is definitely not a single slice.
-Chris
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