[Intel-gfx] [PATCH 08/18] drm/i915/display13: Handle LPSP for Display 13

[Matt Roper]

From: Uma Shankar <uma.shankar at intel.com>

Enable LPSP for Display13 and get the proper power well
enable check in place. For Display13 it is PW2 which
need to check for LPSP.

Cc: Anshuman Gupta <anshuman.gupta at intel.com>
Cc: Animesh Manna <animesh.manna at intel.com>
Cc: Matt Roper <matthew.d.roper at intel.com>
Suggested-by: Matt Roper <matthew.d.roper at intel.com>
Signed-off-by: Uma Shankar <uma.shankar at intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta at intel.com>
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_debugfs.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index d62b18d5ecd8..2af7d74d5960 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -1316,6 +1316,13 @@ static int i915_lpsp_status(struct seq_file *m, void *unused)
 
 	switch (INTEL_GEN(i915)) {
 	case 12:
+		if (HAS_DISPLAY13(i915)) {
+			LPSP_STATUS(!intel_lpsp_power_well_enabled(i915,
+								   SKL_DISP_PW_2));
+			break;
+		}
+
+		fallthrough;
 	case 11:
 		LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, ICL_DISP_PW_3));
 		break;
-- 
2.25.4