[Intel-gfx] [PATCH 5/9] drm/i915/reg: add stream splitter configuration definitions

Jani Nikula jani.nikula at intel.com
Mon Jan 25 15:52:29 UTC 2021


The splitter configuration is required for eDP MSO.

Bspec: 50174
Cc: Nischal Varide <nischal.varide at intel.com>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 8b9bbc6bacb1..d279ff03827f 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -11402,6 +11402,9 @@ enum skl_power_gate {
 #define  BIG_JOINER_ENABLE			(1 << 29)
 #define  MASTER_BIG_JOINER_ENABLE		(1 << 28)
 #define  VGA_CENTERING_ENABLE			(1 << 27)
+#define  SPLITTER_CONFIGURATION_MASK		REG_GENMASK(26, 25)
+#define  SPLITTER_CONFIGURATION_2_SEGMENT	REG_FIELD_PREP(SPLITTER_CONFIGURATION_MASK, 0)
+#define  SPLITTER_CONFIGURATION_4_SEGMENT	REG_FIELD_PREP(SPLITTER_CONFIGURATION_MASK, 1)
 
 #define _ICL_PIPE_DSS_CTL2_PB			0x78204
 #define _ICL_PIPE_DSS_CTL2_PC			0x78404
-- 
2.20.1



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