[PATCH] drm/i915/display: Add header file for struct seq_file

[Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>]

With change [1], visibility of struct seq_file is lost in
intel_display_power.h leading to build errors. Add header
file explicitly to restore visibility.

[1] ef104443bffa ("procfs: consolidate arch_report_meminfo declaration")

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_display_power.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
index be1a87bde0c9..888993079a7b 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power.h
@@ -6,6 +6,8 @@
 #ifndef __INTEL_DISPLAY_POWER_H__
 #define __INTEL_DISPLAY_POWER_H__
 
+#include <linux/seq_file.h>
+
 #include "intel_wakeref.h"
 
 enum aux_ch;
-- 
2.25.1