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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 03:22:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 03:22:47 +0000
commit31d3cc774e9124f10d3ed2ea144a6e232e93e822 (patch)
treede1ac8afc7248eec4b2fb60496b8e9273452d9f7 /drivers/media/platform/rockchip
parentAdding upstream version 6.1.82. (diff)
downloadlinux-31d3cc774e9124f10d3ed2ea144a6e232e93e822.tar.xz
linux-31d3cc774e9124f10d3ed2ea144a6e232e93e822.zip
Adding upstream version 6.1.85.upstream/6.1.85
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/platform/rockchip')
-rw-r--r--drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c3
-rw-r--r--drivers/media/platform/rockchip/rkisp1/rkisp1-common.h2
-rw-r--r--drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c3
-rw-r--r--drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c22
-rw-r--r--drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c3
5 files changed, 33 insertions, 0 deletions
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
index d4540684e..0bcb9db5a 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
@@ -701,6 +701,9 @@ irqreturn_t rkisp1_capture_isr(int irq, void *ctx)
unsigned int i;
u32 status;
+ if (!rkisp1->irqs_enabled)
+ return IRQ_NONE;
+
status = rkisp1_read(rkisp1, RKISP1_CIF_MI_MIS);
if (!status)
return IRQ_NONE;
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
index f9ec1c613..5776292f9 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
@@ -467,6 +467,7 @@ struct rkisp1_debug {
* @debug: debug params to be exposed on debugfs
* @info: version-specific ISP information
* @irqs: IRQ line numbers
+ * @irqs_enabled: the hardware is enabled and can cause interrupts
*/
struct rkisp1_device {
void __iomem *base_addr;
@@ -488,6 +489,7 @@ struct rkisp1_device {
struct rkisp1_debug debug;
const struct rkisp1_info *info;
int irqs[RKISP1_NUM_IRQS];
+ bool irqs_enabled;
};
/*
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
index e862f515c..95b6e41c4 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
@@ -211,6 +211,9 @@ irqreturn_t rkisp1_csi_isr(int irq, void *ctx)
struct rkisp1_device *rkisp1 = dev_get_drvdata(dev);
u32 val, status;
+ if (!rkisp1->irqs_enabled)
+ return IRQ_NONE;
+
status = rkisp1_read(rkisp1, RKISP1_CIF_MIPI_MIS);
if (!status)
return IRQ_NONE;
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
index 41abb18b0..7a3b69ba5 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
@@ -305,6 +305,24 @@ static int __maybe_unused rkisp1_runtime_suspend(struct device *dev)
{
struct rkisp1_device *rkisp1 = dev_get_drvdata(dev);
+ rkisp1->irqs_enabled = false;
+ /* Make sure the IRQ handler will see the above */
+ mb();
+
+ /*
+ * Wait until any running IRQ handler has returned. The IRQ handler
+ * may get called even after this (as it's a shared interrupt line)
+ * but the 'irqs_enabled' flag will make the handler return immediately.
+ */
+ for (unsigned int il = 0; il < ARRAY_SIZE(rkisp1->irqs); ++il) {
+ if (rkisp1->irqs[il] == -1)
+ continue;
+
+ /* Skip if the irq line is the same as previous */
+ if (il == 0 || rkisp1->irqs[il - 1] != rkisp1->irqs[il])
+ synchronize_irq(rkisp1->irqs[il]);
+ }
+
clk_bulk_disable_unprepare(rkisp1->clk_size, rkisp1->clks);
return pinctrl_pm_select_sleep_state(dev);
}
@@ -321,6 +339,10 @@ static int __maybe_unused rkisp1_runtime_resume(struct device *dev)
if (ret)
return ret;
+ rkisp1->irqs_enabled = true;
+ /* Make sure the IRQ handler will see the above */
+ mb();
+
return 0;
}
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
index 00dca284c..2af5c1a48 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
@@ -1023,6 +1023,9 @@ irqreturn_t rkisp1_isp_isr(int irq, void *ctx)
struct rkisp1_device *rkisp1 = dev_get_drvdata(dev);
u32 status, isp_err;
+ if (!rkisp1->irqs_enabled)
+ return IRQ_NONE;
+
status = rkisp1_read(rkisp1, RKISP1_CIF_ISP_MIS);
if (!status)
return IRQ_NONE;