Commit 2cbe2d8c authored Oct 15, 2019 by Mika Kuoppala Committed by Chris Wilson Oct 15, 2019

drm/i915/tgl: Wa_1409170338



Avoid possible hang in tsg,vfe units by keeping
l3 clocks runnings.

Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191015154449.10338-7-mika.kuoppala@linux.intel.com

parent 65df78bd

drivers/gpu/drm/i915/gt/intel_workarounds.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -907,6 +907,12 @@ tgl_gt_workarounds_init(struct drm_i915_private i915, struct i915_wa_list wal)
		wa_write_or(wal,
		SUBSLICE_UNIT_LEVEL_CLKGATE2,
		CPSSUNIT_CLKGATE_DIS);

		/* Wa_1409180338:tgl */
		if (IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0))
		wa_write_or(wal,
		SLICE_UNIT_LEVEL_CLKGATE,
		L3_CLKGATE_DIS \| L3_CR2X_CLKGATE_DIS);
		}

		static void

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