Declaring the mask of supported interrupts proved to be error-prone. It
is very easy to add a bit with no corresponding backing block or to miss
the INTF TE bit. Replace this with looping over the enabled INTF blocks
to setup the irq mask.
Reviewed-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
.../gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c | 16 +++++++++++++++-
.../gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h | 3 +++
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
index 0cecdc847b49..e3c50439f80a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
@@ -463,6 +463,7 @@ struct dpu_hw_intr *dpu_hw_intr_init(void __iomem *addr,
{
struct dpu_hw_intr *intr;
int nirq = MDP_INTR_MAX * 32;
+ unsigned int i;
if (!addr || !m)
return ERR_PTR(-EINVAL);
@@ -480,7 +481,20 @@ struct dpu_hw_intr *dpu_hw_intr_init(void __iomem *addr,
intr->total_irqs = nirq;
- intr->irq_mask = m->mdss_irqs;
+ intr->irq_mask = BIT(MDP_SSPP_TOP0_INTR) |
+ BIT(MDP_SSPP_TOP0_INTR2) |
+ BIT(MDP_SSPP_TOP0_HIST_INTR);
+ for (i = 0; i < m->intf_count; i++) {
+ const struct dpu_intf_cfg *intf = &m->intf[i];
+
+ if (intf->type == INTF_NONE)
+ continue;
+
+ intr->irq_mask |= BIT(MDP_INTFn_INTR(intf->id));
+
+ if (intf->intr_tear_rd_ptr != -1)
+ intr->irq_mask |= BIT(DPU_IRQ_REG(intf->intr_tear_rd_ptr));
+ }
spin_lock_init(&intr->irq_lock);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
index f329d6d7f646..6e0d0188edc6 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
@@ -17,6 +17,7 @@ enum dpu_hw_intr_reg {
MDP_SSPP_TOP0_INTR,
MDP_SSPP_TOP0_INTR2,
MDP_SSPP_TOP0_HIST_INTR,
+ /* All MDP_INTFn_INTR should come sequentially */
MDP_INTF0_INTR,
MDP_INTF1_INTR,
MDP_INTF2_INTR,
@@ -33,6 +34,8 @@ enum dpu_hw_intr_reg {
MDP_INTR_MAX,
};
+#define MDP_INTFn_INTR(intf) (MDP_INTF0_INTR + (intf - INTF_0))
+
/* compatibility */
#define MDP_INTF0_7xxx_INTR MDP_INTF0_INTR
#define MDP_INTF1_7xxx_INTR MDP_INTF1_INTR
--
2.39.2
