drm/i915: Fix PSF GV point mask when SAGV is not possible
commit 3ef8b5e1 upstream. Don't just mask off all the PSF GV points when SAGV gets disabled. This should in fact cause the Pcode to reject the request since at least one PSF point must remain enabled at all times. Cc: stable@vger.kernel.org Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Fixes: 192fbfb7 ("drm/i915: Implement PSF GV point support") Signed-off-by:Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220309164948.10671-7-ville.syrjala@linux.intel.com Reviewed-by:
Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> (cherry picked from commit 0fed4ddd ) Signed-off-by:
Tvrtko Ursulin <tvrtko.ursulin@intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
parent
102cba6d
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