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Subject: media: qcom: camss: Pass line_num from compat resources
Author: Bryan O'Donoghue <bryan.odonog...@linaro.org>
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 <bryan.odonog...@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dyb...@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
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_num)
+ return -EINVAL;
+
+ vfe->line_num = res->line_num;
vfe->ops->subdev_init(dev, vfe);
/* Memory */
diff --git a/drivers/media/platform/qcom/camss/camss.c
b/drivers/media/platform/qcom/camss/camss.c
index d1152a7db9cd..54886a2a449b 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -123,7 +123,8 @@ static const struct camss_subdev_resources vfe_res_8x16[] =
{
{ 0 },
{ 0 } },
.reg = { "vfe0" },
- .interrupt = { "vfe0" }
+ .interrupt = { "vfe0" },
+ .line_num = VFE_LINE_NUM_GEN1,
}
};
@@ -263,7 +264,8 @@ static const struct camss_subdev_resources vfe_res_8x96[] =
{
{ 0 },
{ 0 } },
.reg = { "vfe0" },
- .interrupt = { "vfe0" }
+ .interrupt = { "vfe0" },
+ .line_num = VFE_LINE_NUM_GEN1,
},
/* VFE1 */
@@ -281,7 +283,8 @@ static const struct camss_subdev_resources vfe_res_8x96[] =
{
{ 0 },
{ 0 } },
.reg = { "vfe1" },
- .interrupt = { "vfe1" }
+ .interrupt = { "vfe1" },
+ .line_num = VFE_LINE_NUM_GEN1,
}
};
@@ -442,7 +445,8 @@ static const struct camss_subdev_resources vfe_res_660[] = {
{ 0 },
{ 0 } },
.reg = { "vfe0" },
- .interrupt = { "vfe0" }
+ .interrupt = { "vfe0" },
+ .line_num = VFE_LINE_NUM_GEN1,
},
/* VFE1 */
@@ -463,7 +467,8 @@ static const struct camss_subdev_resources vfe_res_660[] = {
{ 0 },
{ 0 } },
.reg = { "vfe1" },
- .interrupt = { "vfe1" }
+ .interrupt = { "vfe1" },
+ .line_num = VFE_LINE_NUM_GEN1,
}
};
@@ -621,7 +626,8 @@ static const struct camss_subdev_resources vfe_res_845[] = {
{ 19200000, 75000000, 384000000, 538666667 },
{ 384000000 } },
.reg = { "vfe0" },
- .interrupt = { "vfe0" }
+ .interrupt = { "vfe0" },
+ .line_num = VFE_LINE_NUM_GEN2,
},
/* VFE1 */
@@ -641,7 +647,8 @@ static const struct camss_subdev_resources vfe_res_845[] = {
{ 19200000, 75000000, 384000000, 538666667 },
{ 384000000 } },
.reg = { "vfe1" },
- .interrupt = { "vfe1" }
+ .interrupt = { "vfe1" },
+ .line_num = VFE_LINE_NUM_GEN2,
},
/* VFE-lite */
@@ -660,7 +667,8 @@ static const struct camss_subdev_resources vfe_res_845[] = {
{ 19200000, 75000000, 384000000, 538666667 },
{ 384000000 } },
.reg = { "vfe_lite" },
- .interrupt = { "vfe_lite" }
+ .interrupt = { "vfe_lite" },
+ .line_num = VFE_LINE_NUM_GEN2,
}
};
@@ -787,7 +795,8 @@ static const struct camss_subdev_resources vfe_res_8250[] =
{
{ 0 },
{ 0 } },
.reg = { "vfe0" },
- .interrupt = { "vfe0" }
+ .interrupt = { "vfe0" },
+ .line_num = 4,
},
/* VFE1 */
{
@@ -805,7 +814,8 @@ static const struct camss_subdev_resources vfe_res_8250[] =
{
{ 0 },
{ 0 } },
.reg = { "vfe1" },
- .interrupt = { "vfe1" }
+ .interrupt = { "vfe1" },
+ .line_num = 4,
},
/* VFE2 (lite) */
{
@@ -822,7 +832,8 @@ static const struct camss_subdev_resources vfe_res_8250[] =
{
{ 400000000, 480000000 },
{ 0 } },
.reg = { "vfe_lite0" },
- .interrupt = { "vfe_lite0" }
+ .interrupt = { "vfe_lite0" },
+ .line_num = 4,
},
/* VFE3 (lite) */
{
@@ -839,7 +850,8 @@ static const struct camss_subdev_resources vfe_res_8250[] =
{
{ 400000000, 480000000 },
{ 0 } },
.reg = { "vfe_lite1" },
- .interrupt = { "vfe_lite1" }
+ .interrupt = { "vfe_lite1" },
+ .line_num = 4,
},
};
diff --git a/drivers/media/platform/qcom/camss/camss.h
b/drivers/media/platform/qcom/camss/camss.h
index 3b6562b515d4..fc02aa84a5dd 100644
--- a/drivers/media/platform/qcom/camss/camss.h
+++ b/drivers/media/platform/qcom/camss/camss.h
@@ -48,6 +48,7 @@ struct camss_subdev_resources {
u32 clock_rate[CAMSS_RES_MAX][CAMSS_RES_MAX];
char *reg[CAMSS_RES_MAX];
char *interrupt[CAMSS_RES_MAX];
+ u8 line_num;
};
struct icc_bw_tbl {
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