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drm/i915/mtl: Skip pcode qgv restrictions for MTL

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Communicating QGV points restriction to PUnit happens via PM Demand
instead of the Pcode mailbox in the previous platforms. GV point
restriction is handled by the PM demand code.

Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230318005852.2303937-5-radhakrishna.sripada@intel.com
This commit is contained in:
Radhakrishna Sripada
2023-03-17 17:58:52 -07:00
committed by Stanislav Lisovskiy
parent bfa010f608
commit 6152aec1dd
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/display/intel_bw.c
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@@ -150,6 +150,9 @@ int icl_pcode_restrict_qgv_points(struct drm_i915_private *dev_priv,
{
int ret;
if (DISPLAY_VER(dev_priv) >= 14)
return 0;
/* bspec says to keep retrying for at least 1 ms */
ret = skl_pcode_request(&dev_priv->uncore, ICL_PCODE_SAGV_DE_MEM_SS_CONFIG,
points_mask,