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Subject: media: qcom: camss: Support RDI3 for VFE 17x
Author: Bryan O'Donoghue <bryan.odonog...@linaro.org>
Date: Mon Sep 25 16:47:04 2023 +0100
Some VFEs have four RDIs apiece. Right now the ISR code has a hard-coded
value which tops-out at RDI2 meaning only three RDIs can be utilised in
practice.
Extend out the various routines in camss-vfe-17x.c to support the higher
RDI count.
Signed-off-by: Bryan O'Donoghue <bryan.odonog...@linaro.org>
Acked-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 | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-170.c
b/drivers/media/platform/qcom/camss/camss-vfe-170.c
index 2ba7160b3bd1..a5aa79950186 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-170.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-170.c
@@ -209,7 +209,8 @@ static void vfe_global_reset(struct vfe_device *vfe)
GLOBAL_RESET_CMD_IDLE_CGC |
GLOBAL_RESET_CMD_RDI0 |
GLOBAL_RESET_CMD_RDI1 |
- GLOBAL_RESET_CMD_RDI2;
+ GLOBAL_RESET_CMD_RDI2 |
+ GLOBAL_RESET_CMD_RDI3;
writel_relaxed(BIT(31), vfe->base + VFE_IRQ_MASK_0);
@@ -343,7 +344,7 @@ static void vfe_violation_read(struct vfe_device *vfe)
static irqreturn_t vfe_isr(int irq, void *dev)
{
struct vfe_device *vfe = dev;
- u32 status0, status1, vfe_bus_status[3];
+ u32 status0, status1, vfe_bus_status[VFE_LINE_NUM_MAX];
int i, wm;
status0 = readl_relaxed(vfe->base + VFE_IRQ_STATUS_0);
@@ -352,7 +353,7 @@ static irqreturn_t vfe_isr(int irq, void *dev)
writel_relaxed(status0, vfe->base + VFE_IRQ_CLEAR_0);
writel_relaxed(status1, vfe->base + VFE_IRQ_CLEAR_1);
- for (i = VFE_LINE_RDI0; i <= VFE_LINE_RDI2; i++) {
+ for (i = VFE_LINE_RDI0; i < vfe->line_num; i++) {
vfe_bus_status[i] = readl_relaxed(vfe->base +
VFE_BUS_IRQ_STATUS(i));
writel_relaxed(vfe_bus_status[i], vfe->base +
VFE_BUS_IRQ_CLEAR(i));
}
@@ -366,11 +367,11 @@ static irqreturn_t vfe_isr(int irq, void *dev)
if (status0 & STATUS_0_RESET_ACK)
vfe->isr_ops.reset_ack(vfe);
- for (i = VFE_LINE_RDI0; i <= VFE_LINE_RDI2; i++)
+ for (i = VFE_LINE_RDI0; i < vfe->line_num; i++)
if (status0 & STATUS_0_RDI_REG_UPDATE(i))
vfe->isr_ops.reg_update(vfe, i);
- for (i = VFE_LINE_RDI0; i <= VFE_LINE_RDI2; i++)
+ for (i = VFE_LINE_RDI0; i < vfe->line_num; i++)
if (status0 & STATUS_1_RDI_SOF(i))
vfe->isr_ops.sof(vfe, i);
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