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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ebb725851998..2ac93909cfc5 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5879,7 +5879,7 @@ static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc,
* for gen < 8) and if DRRS is supported (to make sure the
* registers are not unnecessarily accessed).
*/
- if (m2_n2 && INTEL_INFO(dev)->gen < 8 &&
+ if (m2_n2 && (IS_CHERRYVIEW(dev) || INTEL_INFO(dev)->gen < 8) &&
crtc->config->has_drrs) {
I915_WRITE(PIPE_DATA_M2(transcoder),
TU_SIZE(m2_n2->tu) | m2_n2->gmch_m);