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authorVladimir Zapolskiy <vladimir.zapolskiy@linaro.org>2022-07-05 01:15:47 +0300
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-11-08 11:40:20 +0300
commitbe11096d79d8dae4300dda2f0b5bdc39243950ca (patch)
tree408e7bb21be4f9b15827087d246185e7e803cbb5
parent3d658980e6dac2af6a024fdb6ded3d7bc44dc9ff (diff)
downloadlinux-be11096d79d8dae4300dda2f0b5bdc39243950ca.tar.xz
media: camss: Collect information about a number of lite VFEs
VFE lite IPs are found on CAMSS with TITAN_TOP power domains, and in some aspects these types of VFEs are different, in particular there is no need to enable VFE power domains to operate over VFE lite IPs. Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
-rw-r--r--drivers/media/platform/qcom/camss/camss.c20
-rw-r--r--drivers/media/platform/qcom/camss/camss.h1
2 files changed, 12 insertions, 9 deletions
diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index a157cac72e0a..f7c7b9ba2927 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -1170,7 +1170,7 @@ static int camss_init_subdevices(struct camss *camss)
}
/* note: SM8250 requires VFE to be initialized before CSID */
- for (i = 0; i < camss->vfe_num; i++) {
+ for (i = 0; i < camss->vfe_num + camss->vfe_lite_num; i++) {
ret = msm_vfe_subdev_init(camss, &camss->vfe[i],
&vfe_res[i], i);
if (ret < 0) {
@@ -1242,7 +1242,7 @@ static int camss_register_entities(struct camss *camss)
goto err_reg_ispif;
}
- for (i = 0; i < camss->vfe_num; i++) {
+ for (i = 0; i < camss->vfe_num + camss->vfe_lite_num; i++) {
ret = msm_vfe_register_entities(&camss->vfe[i],
&camss->v4l2_dev);
if (ret < 0) {
@@ -1314,7 +1314,7 @@ static int camss_register_entities(struct camss *camss)
}
} else {
for (i = 0; i < camss->csid_num; i++)
- for (k = 0; k < camss->vfe_num; k++)
+ for (k = 0; k < camss->vfe_num + camss->vfe_lite_num; k++)
for (j = 0; j < camss->vfe[k].line_num; j++) {
struct v4l2_subdev *csid = &camss->csid[i].subdev;
struct v4l2_subdev *vfe = &camss->vfe[k].line[j].subdev;
@@ -1338,7 +1338,7 @@ static int camss_register_entities(struct camss *camss)
return 0;
err_link:
- i = camss->vfe_num;
+ i = camss->vfe_num + camss->vfe_lite_num;
err_reg_vfe:
for (i--; i >= 0; i--)
msm_vfe_unregister_entities(&camss->vfe[i]);
@@ -1377,7 +1377,7 @@ static void camss_unregister_entities(struct camss *camss)
msm_ispif_unregister_entities(camss->ispif);
- for (i = 0; i < camss->vfe_num; i++)
+ for (i = 0; i < camss->vfe_num + camss->vfe_lite_num; i++)
msm_vfe_unregister_entities(&camss->vfe[i]);
}
@@ -1579,13 +1579,15 @@ static int camss_probe(struct platform_device *pdev)
camss->version = CAMSS_845;
camss->csiphy_num = 4;
camss->csid_num = 3;
- camss->vfe_num = 3;
+ camss->vfe_num = 2;
+ camss->vfe_lite_num = 1;
} else if (of_device_is_compatible(dev->of_node,
"qcom,sm8250-camss")) {
camss->version = CAMSS_8250;
camss->csiphy_num = 6;
camss->csid_num = 4;
- camss->vfe_num = 4;
+ camss->vfe_num = 2;
+ camss->vfe_lite_num = 2;
} else {
return -EINVAL;
}
@@ -1607,8 +1609,8 @@ static int camss_probe(struct platform_device *pdev)
return -ENOMEM;
}
- camss->vfe = devm_kcalloc(dev, camss->vfe_num, sizeof(*camss->vfe),
- GFP_KERNEL);
+ camss->vfe = devm_kcalloc(dev, camss->vfe_num + camss->vfe_lite_num,
+ sizeof(*camss->vfe), GFP_KERNEL);
if (!camss->vfe)
return -ENOMEM;
diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
index 0db80cadbbaa..3acd2b3403e8 100644
--- a/drivers/media/platform/qcom/camss/camss.h
+++ b/drivers/media/platform/qcom/camss/camss.h
@@ -97,6 +97,7 @@ struct camss {
struct csid_device *csid;
struct ispif_device *ispif;
int vfe_num;
+ int vfe_lite_num;
struct vfe_device *vfe;
atomic_t ref_count;
int genpd_num;