[git:media_stage/master] media: qcom: camss: Pass line_num from compat resources

2023-09-28 Thread Hans Verkuil
This is an automatic generated email to let you know that the following patch 
were queued:

Subject: media: qcom: camss: Pass line_num from compat resources
Author:  Bryan O'Donoghue 
Date:Mon Sep 25 16:46:56 2023 +0100

line_num indicates the number of RDI - raw data interface channels which
are associated with a given IFE/VFE - image/video front end.

On several SoCs the RDI number is not static for each VFE - for example
on sm8250 VFE Lite has four RDIs where regular VFE has three.

Assigning line_num statically in the subdev_init() phase initialises
each VFE to the lower number, meaning in practical terms that we are
lobbing off one RDI on some VFEs.

Interrupt handling uses static for (i = RDI0; i < RDI2; i++) {} in some
of our VFE blocks but this can't work for situations where we have a
mixture of VFE @ 3 RDI and VFE-lite @ 4 RDI blocks.

First step to remediate is to pass line_num from a compat string
controlled data-structure and do so on a per-VFE basis.

Later patches will assign the correct number of RDI blocks per VFE.

Signed-off-by: Bryan O'Donoghue 
Reviewed-by: Konrad Dybcio 
Reviewed-by: Laurent Pinchart 
Signed-off-by: Hans Verkuil 

 drivers/media/platform/qcom/camss/camss-vfe-170.c |  2 --
 drivers/media/platform/qcom/camss/camss-vfe-4-1.c |  2 --
 drivers/media/platform/qcom/camss/camss-vfe-4-7.c |  2 --
 drivers/media/platform/qcom/camss/camss-vfe-4-8.c |  2 --
 drivers/media/platform/qcom/camss/camss-vfe-480.c |  1 -
 drivers/media/platform/qcom/camss/camss-vfe.c |  5 
 drivers/media/platform/qcom/camss/camss.c | 36 +++
 drivers/media/platform/qcom/camss/camss.h |  1 +
 8 files changed, 30 insertions(+), 21 deletions(-)

---

diff --git a/drivers/media/platform/qcom/camss/camss-vfe-170.c 
b/drivers/media/platform/qcom/camss/camss-vfe-170.c
index 82d2392022dd..2ba7160b3bd1 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-170.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-170.c
@@ -753,8 +753,6 @@ static void vfe_subdev_init(struct device *dev, struct 
vfe_device *vfe)
 {
vfe->isr_ops = vfe_isr_ops_170;
vfe->video_ops = vfe_video_ops_170;
-
-   vfe->line_num = VFE_LINE_NUM_GEN2;
 }
 
 const struct vfe_hw_ops vfe_ops_170 = {
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-4-1.c 
b/drivers/media/platform/qcom/camss/camss-vfe-4-1.c
index bc309f326f51..2911e4126e7a 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-4-1.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-4-1.c
@@ -992,8 +992,6 @@ static void vfe_subdev_init(struct device *dev, struct 
vfe_device *vfe)
vfe->isr_ops = vfe_isr_ops_gen1;
vfe->ops_gen1 = &vfe_ops_gen1_4_1;
vfe->video_ops = vfe_video_ops_gen1;
-
-   vfe->line_num = VFE_LINE_NUM_GEN1;
 }
 
 const struct vfe_hw_ops vfe_ops_4_1 = {
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-4-7.c 
b/drivers/media/platform/qcom/camss/camss-vfe-4-7.c
index 8acd76c9746b..b65ed0fef595 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-4-7.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-4-7.c
@@ -1188,8 +1188,6 @@ static void vfe_subdev_init(struct device *dev, struct 
vfe_device *vfe)
vfe->isr_ops = vfe_isr_ops_gen1;
vfe->ops_gen1 = &vfe_ops_gen1_4_7;
vfe->video_ops = vfe_video_ops_gen1;
-
-   vfe->line_num = VFE_LINE_NUM_GEN1;
 }
 
 const struct vfe_hw_ops vfe_ops_4_7 = {
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-4-8.c 
b/drivers/media/platform/qcom/camss/camss-vfe-4-8.c
index 3a0167ecf873..7b3805177f03 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-4-8.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-4-8.c
@@ -1173,8 +1173,6 @@ static void vfe_subdev_init(struct device *dev, struct 
vfe_device *vfe)
vfe->isr_ops = vfe_isr_ops_gen1;
vfe->ops_gen1 = &vfe_ops_gen1_4_8;
vfe->video_ops = vfe_video_ops_gen1;
-
-   vfe->line_num = VFE_LINE_NUM_GEN1;
 }
 
 const struct vfe_hw_ops vfe_ops_4_8 = {
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-480.c 
b/drivers/media/platform/qcom/camss/camss-vfe-480.c
index 074fa4e38163..43a2964121f2 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-480.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-480.c
@@ -569,7 +569,6 @@ static const struct camss_video_ops vfe_video_ops_480 = {
 static void vfe_subdev_init(struct device *dev, struct vfe_device *vfe)
 {
vfe->video_ops = vfe_video_ops_480;
-   vfe->line_num = MAX_VFE_OUTPUT_LINES;
 }
 
 const struct vfe_hw_ops vfe_ops_480 = {
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c 
b/drivers/media/platform/qcom/camss/camss-vfe.c
index 94ee7c7039eb..f381c82f1f87 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -1305,6 +1305,11 @@ int msm_vfe_subdev_init(struct camss *camss, struct 
vfe_device *vfe,
default:
return -EINVAL;
}
+
+   if (!res->line

[git:media_stage/master] media: qcom: camss: Pass line_num from compat resources

2023-10-07 Thread Hans Verkuil
This is an automatic generated email to let you know that the following patch 
were queued:

Subject: media: qcom: camss: Pass line_num from compat resources
Author:  Bryan O'Donoghue 
Date:Mon Sep 25 16:46:56 2023 +0100

line_num indicates the number of RDI - raw data interface channels which
are associated with a given IFE/VFE - image/video front end.

On several SoCs the RDI number is not static for each VFE - for example
on sm8250 VFE Lite has four RDIs where regular VFE has three.

Assigning line_num statically in the subdev_init() phase initialises
each VFE to the lower number, meaning in practical terms that we are
lobbing off one RDI on some VFEs.

Interrupt handling uses static for (i = RDI0; i < RDI2; i++) {} in some
of our VFE blocks but this can't work for situations where we have a
mixture of VFE @ 3 RDI and VFE-lite @ 4 RDI blocks.

First step to remediate is to pass line_num from a compat string
controlled data-structure and do so on a per-VFE basis.

Later patches will assign the correct number of RDI blocks per VFE.

Signed-off-by: Bryan O'Donoghue 
Reviewed-by: Konrad Dybcio 
Reviewed-by: Laurent Pinchart 
Signed-off-by: Hans Verkuil 

 drivers/media/platform/qcom/camss/camss-vfe-170.c |  2 --
 drivers/media/platform/qcom/camss/camss-vfe-4-1.c |  2 --
 drivers/media/platform/qcom/camss/camss-vfe-4-7.c |  2 --
 drivers/media/platform/qcom/camss/camss-vfe-4-8.c |  2 --
 drivers/media/platform/qcom/camss/camss-vfe-480.c |  1 -
 drivers/media/platform/qcom/camss/camss-vfe.c |  5 
 drivers/media/platform/qcom/camss/camss.c | 36 +++
 drivers/media/platform/qcom/camss/camss.h |  1 +
 8 files changed, 30 insertions(+), 21 deletions(-)

---

diff --git a/drivers/media/platform/qcom/camss/camss-vfe-170.c 
b/drivers/media/platform/qcom/camss/camss-vfe-170.c
index 82d2392022dd..2ba7160b3bd1 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-170.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-170.c
@@ -753,8 +753,6 @@ static void vfe_subdev_init(struct device *dev, struct 
vfe_device *vfe)
 {
vfe->isr_ops = vfe_isr_ops_170;
vfe->video_ops = vfe_video_ops_170;
-
-   vfe->line_num = VFE_LINE_NUM_GEN2;
 }
 
 const struct vfe_hw_ops vfe_ops_170 = {
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-4-1.c 
b/drivers/media/platform/qcom/camss/camss-vfe-4-1.c
index bc309f326f51..2911e4126e7a 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-4-1.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-4-1.c
@@ -992,8 +992,6 @@ static void vfe_subdev_init(struct device *dev, struct 
vfe_device *vfe)
vfe->isr_ops = vfe_isr_ops_gen1;
vfe->ops_gen1 = &vfe_ops_gen1_4_1;
vfe->video_ops = vfe_video_ops_gen1;
-
-   vfe->line_num = VFE_LINE_NUM_GEN1;
 }
 
 const struct vfe_hw_ops vfe_ops_4_1 = {
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-4-7.c 
b/drivers/media/platform/qcom/camss/camss-vfe-4-7.c
index 8acd76c9746b..b65ed0fef595 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-4-7.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-4-7.c
@@ -1188,8 +1188,6 @@ static void vfe_subdev_init(struct device *dev, struct 
vfe_device *vfe)
vfe->isr_ops = vfe_isr_ops_gen1;
vfe->ops_gen1 = &vfe_ops_gen1_4_7;
vfe->video_ops = vfe_video_ops_gen1;
-
-   vfe->line_num = VFE_LINE_NUM_GEN1;
 }
 
 const struct vfe_hw_ops vfe_ops_4_7 = {
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-4-8.c 
b/drivers/media/platform/qcom/camss/camss-vfe-4-8.c
index 3a0167ecf873..7b3805177f03 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-4-8.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-4-8.c
@@ -1173,8 +1173,6 @@ static void vfe_subdev_init(struct device *dev, struct 
vfe_device *vfe)
vfe->isr_ops = vfe_isr_ops_gen1;
vfe->ops_gen1 = &vfe_ops_gen1_4_8;
vfe->video_ops = vfe_video_ops_gen1;
-
-   vfe->line_num = VFE_LINE_NUM_GEN1;
 }
 
 const struct vfe_hw_ops vfe_ops_4_8 = {
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-480.c 
b/drivers/media/platform/qcom/camss/camss-vfe-480.c
index 074fa4e38163..43a2964121f2 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-480.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-480.c
@@ -569,7 +569,6 @@ static const struct camss_video_ops vfe_video_ops_480 = {
 static void vfe_subdev_init(struct device *dev, struct vfe_device *vfe)
 {
vfe->video_ops = vfe_video_ops_480;
-   vfe->line_num = MAX_VFE_OUTPUT_LINES;
 }
 
 const struct vfe_hw_ops vfe_ops_480 = {
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c 
b/drivers/media/platform/qcom/camss/camss-vfe.c
index 94ee7c7039eb..f381c82f1f87 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -1305,6 +1305,11 @@ int msm_vfe_subdev_init(struct camss *camss, struct 
vfe_device *vfe,
default:
return -EINVAL;
}
+
+   if (!res->line