[PATCH 11/15] UBUNTU: SAUCE: drm/i915/reg: add stream splitter configuration definitions

Aaron Ma aaron.ma at canonical.com
Fri Mar 26 07:30:05 UTC 2021


From: Jani Nikula <jani.nikula at intel.com>

BugLink: https://bugs.launchpad.net/bugs/1921318

The splitter configuration is required for eDP MSO.

Bspec: 50174
Cc: Nischal Varide <nischal.varide at intel.com>
Reviewed-by: Uma Shankar <uma.shankar at intel.com>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/443ad1fbf908800ee4e09315cb6a7ba26c64d136.1613054234.git.jani.nikula@intel.com
(cherry picked from commit 63e654f65d7cf588813c5b75beafe2d3114719b0
https://anongit.freedesktop.org/git/drm-intel.git drm-intel-next)
Signed-off-by: Aaron Ma <aaron.ma at canonical.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 9e4e59841df0..0584874bc321 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -11288,6 +11288,9 @@ 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
-- 
2.25.1




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