[v3] drm/msm/dpu: Clean up dpu hw interrupts

From: Jayant Shekhar
Date: Tue Dec 18 2018 - 06:36:05 EST


Remove unused functions and macros from files handling
dpu hardware interrupts.

changes in v2:
Removed clear_interrupt_status (Jordan Crouse)
changes in v3:
Changed commit text

Signed-off-by: Jayant Shekhar <jshekhar@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c | 44 -----------------------
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h | 44 -----------------------
2 files changed, 88 deletions(-)

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 c0b7f00..8a28a03 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
@@ -170,10 +170,6 @@
/**
* AD4 interrupt status bit definitions
*/
-#define DPU_INTR_BRIGHTPR_UPDATED BIT(4)
-#define DPU_INTR_DARKENH_UPDATED BIT(3)
-#define DPU_INTR_STREN_OUTROI_UPDATED BIT(2)
-#define DPU_INTR_STREN_INROI_UPDATED BIT(1)
#define DPU_INTR_BACKLIGHT_UPDATED BIT(0)
/**
* struct dpu_intr_reg - array of DPU register sets
@@ -782,18 +778,6 @@ static int dpu_hw_intr_irqidx_lookup(enum dpu_intr_type intr_type,
return -EINVAL;
}

-static void dpu_hw_intr_set_mask(struct dpu_hw_intr *intr, uint32_t reg_off,
- uint32_t mask)
-{
- if (!intr)
- return;
-
- DPU_REG_WRITE(&intr->hw, reg_off, mask);
-
- /* ensure register writes go through */
- wmb();
-}
-
static void dpu_hw_intr_dispatch_irq(struct dpu_hw_intr *intr,
void (*cbfunc)(void *, int),
void *arg)
@@ -1004,18 +988,6 @@ static int dpu_hw_intr_disable_irqs(struct dpu_hw_intr *intr)
return 0;
}

-static int dpu_hw_intr_get_valid_interrupts(struct dpu_hw_intr *intr,
- uint32_t *mask)
-{
- if (!intr || !mask)
- return -EINVAL;
-
- *mask = IRQ_SOURCE_MDP | IRQ_SOURCE_DSI0 | IRQ_SOURCE_DSI1
- | IRQ_SOURCE_HDMI | IRQ_SOURCE_EDP;
-
- return 0;
-}
-
static void dpu_hw_intr_get_interrupt_statuses(struct dpu_hw_intr *intr)
{
int i;
@@ -1065,19 +1037,6 @@ static void dpu_hw_intr_clear_intr_status_nolock(struct dpu_hw_intr *intr,
wmb();
}

-static void dpu_hw_intr_clear_interrupt_status(struct dpu_hw_intr *intr,
- int irq_idx)
-{
- unsigned long irq_flags;
-
- if (!intr)
- return;
-
- spin_lock_irqsave(&intr->irq_lock, irq_flags);
- dpu_hw_intr_clear_intr_status_nolock(intr, irq_idx);
- spin_unlock_irqrestore(&intr->irq_lock, irq_flags);
-}
-
static u32 dpu_hw_intr_get_interrupt_status(struct dpu_hw_intr *intr,
int irq_idx, bool clear)
{
@@ -1113,16 +1072,13 @@ static u32 dpu_hw_intr_get_interrupt_status(struct dpu_hw_intr *intr,

static void __setup_intr_ops(struct dpu_hw_intr_ops *ops)
{
- ops->set_mask = dpu_hw_intr_set_mask;
ops->irq_idx_lookup = dpu_hw_intr_irqidx_lookup;
ops->enable_irq = dpu_hw_intr_enable_irq;
ops->disable_irq = dpu_hw_intr_disable_irq;
ops->dispatch_irqs = dpu_hw_intr_dispatch_irq;
ops->clear_all_irqs = dpu_hw_intr_clear_irqs;
ops->disable_all_irqs = dpu_hw_intr_disable_irqs;
- ops->get_valid_interrupts = dpu_hw_intr_get_valid_interrupts;
ops->get_interrupt_statuses = dpu_hw_intr_get_interrupt_statuses;
- ops->clear_interrupt_status = dpu_hw_intr_clear_interrupt_status;
ops->clear_intr_status_nolock = dpu_hw_intr_clear_intr_status_nolock;
ops->get_interrupt_status = dpu_hw_intr_get_interrupt_status;
}
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 61e4cba..4d7a1c7 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
@@ -20,13 +20,6 @@
#include "dpu_hw_util.h"
#include "dpu_hw_mdss.h"

-#define IRQ_SOURCE_MDP BIT(0)
-#define IRQ_SOURCE_DSI0 BIT(4)
-#define IRQ_SOURCE_DSI1 BIT(5)
-#define IRQ_SOURCE_HDMI BIT(8)
-#define IRQ_SOURCE_EDP BIT(12)
-#define IRQ_SOURCE_MHL BIT(16)
-
/**
* dpu_intr_type - HW Interrupt Type
* @DPU_IRQ_TYPE_WB_ROT_COMP: WB rotator done
@@ -96,18 +89,6 @@ enum dpu_intr_type {
*/
struct dpu_hw_intr_ops {
/**
- * set_mask - Programs the given interrupt register with the
- * given interrupt mask. Register value will get overwritten.
- * @intr: HW interrupt handle
- * @reg_off: MDSS HW register offset
- * @irqmask: IRQ mask value
- */
- void (*set_mask)(
- struct dpu_hw_intr *intr,
- uint32_t reg,
- uint32_t irqmask);
-
- /**
* irq_idx_lookup - Lookup IRQ index on the HW interrupt type
* Used for all irq related ops
* @intr_type: Interrupt type defined in dpu_intr_type
@@ -177,16 +158,6 @@ struct dpu_hw_intr_ops {
struct dpu_hw_intr *intr);

/**
- * clear_interrupt_status - Clears HW interrupt status based on given
- * lookup IRQ index.
- * @intr: HW interrupt handle
- * @irq_idx: Lookup irq index return from irq_idx_lookup
- */
- void (*clear_interrupt_status)(
- struct dpu_hw_intr *intr,
- int irq_idx);
-
- /**
* clear_intr_status_nolock() - clears the HW interrupts without lock
* @intr: HW interrupt handle
* @irq_idx: Lookup irq index return from irq_idx_lookup
@@ -206,21 +177,6 @@ struct dpu_hw_intr_ops {
struct dpu_hw_intr *intr,
int irq_idx,
bool clear);
-
- /**
- * get_valid_interrupts - Gets a mask of all valid interrupt sources
- * within DPU. These are actually status bits
- * within interrupt registers that specify the
- * source of the interrupt in IRQs. For example,
- * valid interrupt sources can be MDP, DSI,
- * HDMI etc.
- * @intr: HW interrupt handle
- * @mask: Returning the interrupt source MASK
- * @return: 0 for success, otherwise failure
- */
- int (*get_valid_interrupts)(
- struct dpu_hw_intr *intr,
- uint32_t *mask);
};

/**
--
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