Commit 8d07691c authored Aug 30, 2023 by Aravind Iddamsetty Committed by Rodrigo Vivi Dec 21, 2023

drm/xe: Get GT clock to nanosecs



Helper to convert GT clock cycles to nanoseconds.

v2: Use DIV_ROUND_CLOSEST_ULL helper(Ashutosh)
v3: rename xe_gt_clock_interval_to_ns to xe_gt_clock_cycles_to_ns

Reviewed-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Aravind Iddamsetty <aravind.iddamsetty@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

parent 430003b8

drivers/gpu/drm/xe/xe_gt_clock.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -78,3 +78,8 @@ int xe_gt_clock_init(struct xe_gt *gt)
		gt->info.clock_freq = freq;
		return 0;
		}

		u64 xe_gt_clock_cycles_to_ns(const struct xe_gt *gt, u64 count)
		{
		return DIV_ROUND_CLOSEST_ULL(count * NSEC_PER_SEC, gt->info.clock_freq);
		}

drivers/gpu/drm/xe/xe_gt_clock.h

+3 −1

Original line number	Diff line number	Diff line
		@@ -6,8 +6,10 @@
		#ifndef _XE_GT_CLOCK_H_
		#define _XE_GT_CLOCK_H_

		#include <linux/types.h>

		struct xe_gt;

		int xe_gt_clock_init(struct xe_gt *gt);

		u64 xe_gt_clock_cycles_to_ns(const struct xe_gt *gt, u64 count);
		#endif