Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a1f9ca13 authored by Dhaval Patel's avatar Dhaval Patel Committed by Matt Wagantall
Browse files

msm: mdss: add trace points for external API calls 



Add trace points for buffer map/unamp and
msm bus scale request API calls to find
the actual latency.

Change-Id: Ic141af071f7edaa9814b4c341d7468e1d76e573b
Signed-off-by: default avatarDhaval Patel <pdhaval@codeaurora.org>
parent b2b5b4e6

drivers/video/msm/mdss/mdss_mdp.c

+6 −1
Original line number Diff line number Diff line
@@ -304,6 +304,7 @@ static int mdss_mdp_bus_scale_set_quota(u64 ab_quota_rt, u64 ab_quota_nrt, 
	int new_uc_idx;

	u64 ab_quota[MAX_AXI_PORT_COUNT] = {0, 0};

	u64 ib_quota[MAX_AXI_PORT_COUNT] = {0, 0};

	int rc;



	if (mdss_res->bus_hdl < 1) {

		pr_err("invalid bus handle %d\n", mdss_res->bus_hdl);
@@ -390,8 +391,12 @@ static int mdss_mdp_bus_scale_set_quota(u64 ab_quota_rt, u64 ab_quota_nrt, 
	}

	mdss_res->curr_bw_uc_idx = new_uc_idx;



	return msm_bus_scale_client_update_request(mdss_res->bus_hdl,

	ATRACE_BEGIN("msm_bus_scale_req");

	rc = msm_bus_scale_client_update_request(mdss_res->bus_hdl,

		new_uc_idx);

	ATRACE_END("msm_bus_scale_req");



	return rc;

}



int mdss_enable_bus_vote(int usecase_ndx)

drivers/video/msm/mdss/mdss_smmu.c

+4 −1
Original line number Diff line number Diff line
@@ -258,12 +258,13 @@ static int mdss_smmu_map_dma_buf_v2(struct dma_buf *dma_buf, 
		pr_err("not able to get smmu context\n");

		return -EINVAL;

	}



	ATRACE_BEGIN("map_buffer");

	rc = dma_map_sg(mdss_smmu->dev, table->sgl, table->nents, dir);

	if (!rc) {

		pr_err("dma map sg failed\n");

		return -ENOMEM;

	}

	ATRACE_END("map_buffer");

	*iova = table->sgl->dma_address;

	*size = table->sgl->dma_length;

	return 0;
@@ -278,7 +279,9 @@ static void mdss_smmu_unmap_dma_buf_v2(struct sg_table *table, int domain, 
		return;

	}



	ATRACE_BEGIN("unmap_buffer");

	dma_unmap_sg(mdss_smmu->dev, table->sgl, table->nents, dir);

	ATRACE_END("unmap_buffer");

}



/*