Commit 40a627ca authored by Lucas De Marchi's avatar Lucas De Marchi Committed by Rodrigo Vivi
Browse files

drm/xe/debugfs: Dump active workarounds 



Add a "workarounds" node in debugfs that can dump all the active
workarounds using the information recorded by rtp infra when those
workarounds were processed.

v2: move workarounds to be reported per-GT

Reviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20230526164358.86393-8-lucas.demarchi@intel.com


Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 49d329a0

drivers/gpu/drm/xe/xe_gt_debugfs.c

+12 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include "xe_reg_sr.h"

#include "xe_reg_whitelist.h"

#include "xe_uc_debugfs.h"

#include "xe_wa.h"



static struct xe_gt *node_to_gt(struct drm_info_node *node)

{
@@ -127,6 +128,16 @@ static int register_save_restore(struct seq_file *m, void *data) 
	return 0;

}



static int workarounds(struct seq_file *m, void *data)

{

	struct xe_gt *gt = node_to_gt(m->private);

	struct drm_printer p = drm_seq_file_printer(m);



	xe_wa_dump(gt, &p);



	return 0;

}



static const struct drm_info_list debugfs_list[] = {

	{"hw_engines", hw_engines, 0},

	{"force_reset", force_reset, 0},
@@ -135,6 +146,7 @@ static const struct drm_info_list debugfs_list[] = { 
	{"steering", steering, 0},

	{"ggtt", ggtt, 0},

	{"register-save-restore", register_save_restore, 0},

	{"workarounds", workarounds, 0},

};



void xe_gt_debugfs_register(struct xe_gt *gt)

drivers/gpu/drm/xe/xe_wa.c

+17 −0
Original line number Diff line number Diff line
@@ -651,3 +651,20 @@ int xe_wa_init(struct xe_gt *gt) 


	return 0;

}



void xe_wa_dump(struct xe_gt *gt, struct drm_printer *p)

{

	size_t idx;



	drm_printf(p, "GT Workarounds\n");

	for_each_set_bit(idx, gt->wa_active.gt, ARRAY_SIZE(gt_was))

		drm_printf_indent(p, 1, "%s\n", gt_was[idx].name);



	drm_printf(p, "\nEngine Workarounds\n");

	for_each_set_bit(idx, gt->wa_active.engine, ARRAY_SIZE(engine_was))

		drm_printf_indent(p, 1, "%s\n", engine_was[idx].name);



	drm_printf(p, "\nLRC Workarounds\n");

	for_each_set_bit(idx, gt->wa_active.lrc, ARRAY_SIZE(lrc_was))

		drm_printf_indent(p, 1, "%s\n", lrc_was[idx].name);

}

drivers/gpu/drm/xe/xe_wa.h

+2 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
#ifndef _XE_WA_

#define _XE_WA_



struct drm_printer;

struct xe_gt;

struct xe_hw_engine;
@@ -15,5 +16,6 @@ void xe_wa_process_engine(struct xe_hw_engine *hwe); 
void xe_wa_process_lrc(struct xe_hw_engine *hwe);



void xe_reg_whitelist_process_engine(struct xe_hw_engine *hwe);

void xe_wa_dump(struct xe_gt *gt, struct drm_printer *p);



#endif