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 <[email protected]> Signed-off-by: Dmitry Baryshkov <[email protected]> --- .../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
