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[v1,04/14] media: qcom: camss: Pass icc bandwidth table as a platform parameter

Message ID 20230814162907.3878421-5-bryan.odonoghue@linaro.org
State Superseded
Headers show
Series media: qcom: camss: Add parameter passing to remove several outstanding bugs | expand

Commit Message

Bryan O'Donoghue Aug. 14, 2023, 4:28 p.m. UTC 
Pass the bandwidth table as a platform parameter not if/else derived
pointer to the static table.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
---
 drivers/media/platform/qcom/camss/camss.c | 29 +++++++----------------
 drivers/media/platform/qcom/camss/camss.h |  3 ++-
 2 files changed, 11 insertions(+), 21 deletions(-)

Comments

Konrad Dybcio Aug. 16, 2023, 5:20 p.m. UTC | #1 
On 14.08.2023 18:28, Bryan O'Donoghue wrote:
> Pass the bandwidth table as a platform parameter not if/else derived
> pointer to the static table.
> 
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> ---
>  drivers/media/platform/qcom/camss/camss.c | 29 +++++++----------------
>  drivers/media/platform/qcom/camss/camss.h |  3 ++-
>  2 files changed, 11 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
> index 68eb45b2c0aaa..1a195eb4298a5 100644
> --- a/drivers/media/platform/qcom/camss/camss.c
> +++ b/drivers/media/platform/qcom/camss/camss.c
> @@ -1484,21 +1484,15 @@ static int camss_configure_pd(struct camss *camss)
>  static int camss_icc_get(struct camss *camss)
>  {
>  	const struct resources_icc *icc_res;
> -	int nbr_icc_paths = 0;
>  	int i;
>  
> -	if (camss->version == CAMSS_8250) {
> -		icc_res = &icc_res_sm8250[0];
> -		nbr_icc_paths =	ICC_SM8250_COUNT;
> -	}
> +	icc_res = camss->res->icc_res;
Would initializing at declaration time fit in 100 chars?

lgtm otherwise

Konrad
Bryan O'Donoghue Aug. 16, 2023, 7:09 p.m. UTC | #2 
On 16/08/2023 18:20, Konrad Dybcio wrote:
>> +	icc_res = camss->res->icc_res;
> Would initializing at declaration time fit in 100 chars?

Ah yeah, that would be nice.

---
bod
Bryan O'Donoghue Aug. 17, 2023, 10:57 a.m. UTC | #3 
On 16/08/2023 20:09, Bryan O'Donoghue wrote:
> On 16/08/2023 18:20, Konrad Dybcio wrote:
>>> +    icc_res = camss->res->icc_res;
>> Would initializing at declaration time fit in 100 chars?
> 
> Ah yeah, that would be nice.
> 
> ---
> bod

Looking to do this code for this, IDK this would really work.

Going to stick to how its being done in Venus 
drivers/media/platform/qcom/venus/core.c

---
bod
diff mbox series

Patch

diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index 68eb45b2c0aaa..1a195eb4298a5 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -1484,21 +1484,15 @@  static int camss_configure_pd(struct camss *camss)
 static int camss_icc_get(struct camss *camss)
 {
 	const struct resources_icc *icc_res;
-	int nbr_icc_paths = 0;
 	int i;
 
-	if (camss->version == CAMSS_8250) {
-		icc_res = &icc_res_sm8250[0];
-		nbr_icc_paths =	ICC_SM8250_COUNT;
-	}
+	icc_res = camss->res->icc_res;
 
-	for (i = 0; i < nbr_icc_paths; i++) {
+	for (i = 0; i < camss->res->icc_path_num; i++) {
 		camss->icc_path[i] = devm_of_icc_get(camss->dev,
 						     icc_res[i].name);
 		if (IS_ERR(camss->icc_path[i]))
 			return PTR_ERR(camss->icc_path[i]);
-
-		camss->icc_bw_tbl[i] = icc_res[i].icc_bw_tbl;
 	}
 
 	return 0;
@@ -1736,6 +1730,8 @@  static const struct camss_resources sm8250_resources = {
 	.csiphy_res = csiphy_res_8250,
 	.csid_res = csid_res_8250,
 	.vfe_res = vfe_res_8250,
+	.icc_res = icc_res_sm8250,
+	.icc_path_num = ARRAY_SIZE(icc_res_sm8250),
 };
 
 static const struct of_device_id camss_dt_match[] = {
@@ -1752,14 +1748,10 @@  MODULE_DEVICE_TABLE(of, camss_dt_match);
 static int __maybe_unused camss_runtime_suspend(struct device *dev)
 {
 	struct camss *camss = dev_get_drvdata(dev);
-	int nbr_icc_paths = 0;
 	int i;
 	int ret;
 
-	if (camss->version == CAMSS_8250)
-		nbr_icc_paths =	ICC_SM8250_COUNT;
-
-	for (i = 0; i < nbr_icc_paths; i++) {
+	for (i = 0; i < camss->res->icc_path_num; i++) {
 		ret = icc_set_bw(camss->icc_path[i], 0, 0);
 		if (ret)
 			return ret;
@@ -1771,17 +1763,14 @@  static int __maybe_unused camss_runtime_suspend(struct device *dev)
 static int __maybe_unused camss_runtime_resume(struct device *dev)
 {
 	struct camss *camss = dev_get_drvdata(dev);
-	int nbr_icc_paths = 0;
+	const struct resources_icc *icc_res = camss->res->icc_res;
 	int i;
 	int ret;
 
-	if (camss->version == CAMSS_8250)
-		nbr_icc_paths =	ICC_SM8250_COUNT;
-
-	for (i = 0; i < nbr_icc_paths; i++) {
+	for (i = 0; i < camss->res->icc_path_num; i++) {
 		ret = icc_set_bw(camss->icc_path[i],
-				 camss->icc_bw_tbl[i].avg,
-				 camss->icc_bw_tbl[i].peak);
+				 icc_res[i].icc_bw_tbl.avg,
+				 icc_res[i].icc_bw_tbl.peak);
 		if (ret)
 			return ret;
 	}
diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
index f632ee49ad83e..988c313b63551 100644
--- a/drivers/media/platform/qcom/camss/camss.h
+++ b/drivers/media/platform/qcom/camss/camss.h
@@ -84,6 +84,8 @@  struct camss_resources {
 	const struct resources *csid_res;
 	const struct resources *ispif_res;
 	const struct resources *vfe_res;
+	const struct resources_icc *icc_res;
+	const int icc_path_num;
 };
 
 struct camss {
@@ -105,7 +107,6 @@  struct camss {
 	struct device **genpd;
 	struct device_link **genpd_link;
 	struct icc_path *icc_path[ICC_SM8250_COUNT];
-	struct icc_bw_tbl icc_bw_tbl[ICC_SM8250_COUNT];
 	const struct camss_resources *res;
 };