drm/i915: Disable tesselation clock gating on tgl A0
Disable TEDOP clock gating flow by programming 0x20A0[19] = 1 References: HSDES#1407928979 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/20200207155138.30978-1-mika.kuoppala@linux.intel.com
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