| Message ID | 20221121054952.3557863-2-arun.r.murthy@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/i915/fbc: Disable FBC when VT-d is enabled for Gen9 | expand |
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index b5ee5ea0d010..01c51a6c5143 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -1652,9 +1652,9 @@ static int intel_sanitize_fbc_option(struct drm_i915_private *i915) static bool need_fbc_vtd_wa(struct drm_i915_private *i915) { - /* WaFbcTurnOffFbcWhenHyperVisorIsUsed:skl,bxt */ + /* WaFbcTurnOffFbcWhenHyperVisorIsUsed:skl,bxt,cnl,kbl */ if (i915_vtd_active(i915) && - (IS_SKYLAKE(i915) || IS_BROXTON(i915))) { + (DISPLAY_VER(i915) == 9)) { drm_info(&i915->drm, "Disabling framebuffer compression (FBC) to prevent screen flicker with VT-d enabled\n"); return true;
The WaFbcTurnOffFbcWhenHyperVisorIsUsed is applicable for all GEN9 platforms as per BspecID: 0852 Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com> --- drivers/gpu/drm/i915/display/intel_fbc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)