Commit 6152aec1 authored by Radhakrishna Sripada's avatar Radhakrishna Sripada Committed by Stanislav Lisovskiy
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drm/i915/mtl: Skip pcode qgv restrictions for MTL 



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: default avatarRadhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: default avatarVinod Govindapillai <vinod.govindapillai@intel.com>
Signed-off-by: default avatarStanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230318005852.2303937-5-radhakrishna.sripada@intel.com
parent bfa010f6

drivers/gpu/drm/i915/display/intel_bw.c

+3 −0
Original line number Diff line number Diff line
@@ -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,