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-rw-r--r--drivers/gpu/drm/i915/i915_reg.h1
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c4
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 91e7483..08ec744 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9201,6 +9201,7 @@ enum skl_power_gate {
#define TRANS_MSA_10_BPC (2 << 5)
#define TRANS_MSA_12_BPC (3 << 5)
#define TRANS_MSA_16_BPC (4 << 5)
+#define TRANS_MSA_CEA_RANGE (1 << 3)
/* LCPLL Control */
#define LCPLL_CTL _MMIO(0x130040)
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 39d66f8..8761513 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1685,6 +1685,10 @@ void intel_ddi_set_pipe_settings(const struct intel_crtc_state *crtc_state)
WARN_ON(transcoder_is_dsi(cpu_transcoder));
temp = TRANS_MSA_SYNC_CLK;
+
+ if (crtc_state->limited_color_range)
+ temp |= TRANS_MSA_CEA_RANGE;
+
switch (crtc_state->pipe_bpp) {
case 18:
temp |= TRANS_MSA_6_BPC;
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