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Commit 748e833d authored by Alan Kwong's avatar Alan Kwong Committed by Narendra Muppalla
Browse files

drm/msm/sde: add debugfs entry for vbif 



Add debugfs entry for vbif, allowing get/set of default
and dynamic OT settings.

Change-Id: Ia0237aa0befc0c6dee879bb2fca771ee39958321
Signed-off-by: default avatarAlan Kwong <akwong@codeaurora.org>
parent f0fd8516

drivers/gpu/drm/msm/sde/sde_kms.c

+2 −0
Original line number Diff line number Diff line
@@ -293,6 +293,7 @@ static int _sde_debugfs_init(struct sde_kms *sde_kms) 
		SDE_ERROR("failed to create debugfs debug directory\n");



	sde_debugfs_danger_init(sde_kms, sde_kms->debugfs_debug);

	sde_debugfs_vbif_init(sde_kms, sde_kms->debugfs_debug);



	return 0;

}
@@ -301,6 +302,7 @@ static void _sde_debugfs_destroy(struct sde_kms *sde_kms) 
{

	/* don't need to NULL check debugfs_root */

	if (sde_kms) {

		sde_debugfs_vbif_destroy(sde_kms);

		sde_debugfs_danger_destroy(sde_kms);

		debugfs_remove_recursive(sde_kms->debugfs_debug);

		sde_kms->debugfs_debug = 0;

drivers/gpu/drm/msm/sde/sde_kms.h

+1 −0
Original line number Diff line number Diff line
@@ -122,6 +122,7 @@ struct sde_kms { 
	void *debugfs_root;

	struct dentry *debugfs_debug;

	struct dentry *debugfs_danger;

	struct dentry *debugfs_vbif;



	/* io/register spaces: */

	void __iomem *mmio, *vbif[VBIF_MAX];

drivers/gpu/drm/msm/sde/sde_vbif.c

+75 −0
Original line number Diff line number Diff line
@@ -12,6 +12,8 @@ 


#define pr_fmt(fmt)	"[drm:%s:%d] " fmt, __func__, __LINE__



#include <linux/debugfs.h>



#include "sde_vbif.h"

#include "sde_hw_vbif.h"

#include "sde_trace.h"
@@ -207,3 +209,76 @@ void sde_vbif_set_ot_limit(struct sde_kms *sde_kms, 
exit:

	return;

}



#ifdef CONFIG_DEBUG_FS

void sde_debugfs_vbif_destroy(struct sde_kms *sde_kms)

{

	debugfs_remove_recursive(sde_kms->debugfs_vbif);

	sde_kms->debugfs_vbif = NULL;

}



int sde_debugfs_vbif_init(struct sde_kms *sde_kms, struct dentry *debugfs_root)

{

	char vbif_name[32];

	struct dentry *debugfs_vbif;

	int i, j;



	sde_kms->debugfs_vbif = debugfs_create_dir("vbif",

			sde_kms->debugfs_root);

	if (!sde_kms->debugfs_vbif) {

		SDE_ERROR("failed to create vbif debugfs\n");

		return -EINVAL;

	}



	for (i = 0; i < sde_kms->catalog->vbif_count; i++) {

		struct sde_vbif_cfg *vbif = &sde_kms->catalog->vbif[i];



		snprintf(vbif_name, sizeof(vbif_name), "%d", vbif->id);



		debugfs_vbif = debugfs_create_dir(vbif_name,

				sde_kms->debugfs_vbif);



		debugfs_create_u32("features", 0644, debugfs_vbif,

			(u32 *)&vbif->features);



		debugfs_create_u32("xin_halt_timeout", 0444, debugfs_vbif,

			(u32 *)&vbif->xin_halt_timeout);



		debugfs_create_u32("default_rd_ot_limit", 0444, debugfs_vbif,

			(u32 *)&vbif->default_ot_rd_limit);



		debugfs_create_u32("default_wr_ot_limit", 0444, debugfs_vbif,

			(u32 *)&vbif->default_ot_wr_limit);



		for (j = 0; j < vbif->dynamic_ot_rd_tbl.count; j++) {

			struct sde_vbif_dynamic_ot_cfg *cfg =

					&vbif->dynamic_ot_rd_tbl.cfg[j];



			snprintf(vbif_name, sizeof(vbif_name),

					"dynamic_ot_rd_%d_pps", j);

			debugfs_create_u64(vbif_name, 0444, debugfs_vbif,

					(u64 *)&cfg->pps);

			snprintf(vbif_name, sizeof(vbif_name),

					"dynamic_ot_rd_%d_ot_limit", j);

			debugfs_create_u32(vbif_name, 0444, debugfs_vbif,

					(u32 *)&cfg->ot_limit);

		}



		for (j = 0; j < vbif->dynamic_ot_wr_tbl.count; j++) {

			struct sde_vbif_dynamic_ot_cfg *cfg =

					&vbif->dynamic_ot_wr_tbl.cfg[j];



			snprintf(vbif_name, sizeof(vbif_name),

					"dynamic_ot_wr_%d_pps", j);

			debugfs_create_u64(vbif_name, 0444, debugfs_vbif,

					(u64 *)&cfg->pps);

			snprintf(vbif_name, sizeof(vbif_name),

					"dynamic_ot_wr_%d_ot_limit", j);

			debugfs_create_u32(vbif_name, 0444, debugfs_vbif,

					(u32 *)&cfg->ot_limit);

		}

	}



	return 0;

}

#endif

drivers/gpu/drm/msm/sde/sde_vbif.h

+13 −0
Original line number Diff line number Diff line
@@ -35,4 +35,17 @@ struct sde_vbif_set_ot_params { 
void sde_vbif_set_ot_limit(struct sde_kms *sde_kms,

		struct sde_vbif_set_ot_params *params);



#ifdef CONFIG_DEBUG_FS

int sde_debugfs_vbif_init(struct sde_kms *sde_kms, struct dentry *debugfs_root);

void sde_debugfs_vbif_destroy(struct sde_kms *sde_kms);

#else

static inline int sde_debugfs_vbif_init(struct sde_kms *sde_kms,

		struct dentry *debugfs_root)

{

	return 0;

}

static inline void sde_debugfs_vbif_destroy(struct sde_kms *sde_kms)

{

}

#endif

#endif /* __SDE_VBIF_H__ */