drm/i915: Kill dev_priv->irq_received

Not sure anyone cares about this information. I suppose most people
would just look at /proc/interrupts instead.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index b2b46c5..aa43223 100644 (file)
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -712,8 +712,6 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
                seq_printf(m, "Graphics Interrupt mask:         %08x\n",
                           I915_READ(GTIMR));
        }
-       seq_printf(m, "Interrupts received: %d\n",
-                  atomic_read(&dev_priv->irq_received));
        for_each_ring(ring, dev_priv, i) {
                if (INTEL_INFO(dev)->gen >= 6) {
                        seq_printf(m,

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9370e88..7d144e4 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1360,8 +1360,6 @@ typedef struct drm_i915_private {
        drm_dma_handle_t *status_page_dmah;
        struct resource mch_res;
 
-       atomic_t irq_received;
-
        /* protects the irq masks */
        spinlock_t irq_lock;
 

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index cbccadd..01a8686 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1434,8 +1434,6 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg)
        int pipe;
        u32 pipe_stats[I915_MAX_PIPES];
 
-       atomic_inc(&dev_priv->irq_received);
-
        while (true) {
                iir = I915_READ(VLV_IIR);
                gt_iir = I915_READ(GTIIR);
@@ -1744,8 +1742,6 @@ static irqreturn_t ironlake_irq_handler(int irq, void *arg)
        u32 de_iir, gt_iir, de_ier, sde_ier = 0;
        irqreturn_t ret = IRQ_NONE;
 
-       atomic_inc(&dev_priv->irq_received);
-
        /* We get interrupts on unclaimed registers, so check for this before we
         * do any I915_{READ,WRITE}. */
        intel_uncore_check_errors(dev);
@@ -1814,8 +1810,6 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg)
        uint32_t tmp = 0;
        enum pipe pipe;
 
-       atomic_inc(&dev_priv->irq_received);
-
        master_ctl = I915_READ(GEN8_MASTER_IRQ);
        master_ctl &= ~GEN8_MASTER_IRQ_CONTROL;
        if (!master_ctl)
@@ -2638,8 +2632,6 @@ static void ironlake_irq_preinstall(struct drm_device *dev)
 {
        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 
-       atomic_set(&dev_priv->irq_received, 0);
-
        I915_WRITE(HWSTAM, 0xeffe);
 
        I915_WRITE(DEIMR, 0xffffffff);
@@ -2656,8 +2648,6 @@ static void valleyview_irq_preinstall(struct drm_device *dev)
        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
        int pipe;
 
-       atomic_set(&dev_priv->irq_received, 0);
-
        /* VLV magic */
        I915_WRITE(VLV_IMR, 0);
        I915_WRITE(RING_IMR(RENDER_RING_BASE), 0);
@@ -2687,8 +2677,6 @@ static void gen8_irq_preinstall(struct drm_device *dev)
        struct drm_i915_private *dev_priv = dev->dev_private;
        int pipe;
 
-       atomic_set(&dev_priv->irq_received, 0);
-
        I915_WRITE(GEN8_MASTER_IRQ, 0);
        POSTING_READ(GEN8_MASTER_IRQ);
 
@@ -3013,8 +3001,6 @@ static void gen8_irq_uninstall(struct drm_device *dev)
        if (!dev_priv)
                return;
 
-       atomic_set(&dev_priv->irq_received, 0);
-
        I915_WRITE(GEN8_MASTER_IRQ, 0);
 
 #define GEN8_IRQ_FINI_NDX(type, which) do { \
@@ -3107,8 +3093,6 @@ static void i8xx_irq_preinstall(struct drm_device * dev)
        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
        int pipe;
 
-       atomic_set(&dev_priv->irq_received, 0);
-
        for_each_pipe(pipe)
                I915_WRITE(PIPESTAT(pipe), 0);
        I915_WRITE16(IMR, 0xffff);
@@ -3193,8 +3177,6 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg)
                I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
                I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT;
 
-       atomic_inc(&dev_priv->irq_received);
-
        iir = I915_READ16(IIR);
        if (iir == 0)
                return IRQ_NONE;
@@ -3272,8 +3254,6 @@ static void i915_irq_preinstall(struct drm_device * dev)
        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
        int pipe;
 
-       atomic_set(&dev_priv->irq_received, 0);
-
        if (I915_HAS_HOTPLUG(dev)) {
                I915_WRITE(PORT_HOTPLUG_EN, 0);
                I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
@@ -3379,8 +3359,6 @@ static irqreturn_t i915_irq_handler(int irq, void *arg)
                I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT;
        int pipe, ret = IRQ_NONE;
 
-       atomic_inc(&dev_priv->irq_received);
-
        iir = I915_READ(IIR);
        do {
                bool irq_received = (iir & ~flip_mask) != 0;
@@ -3503,8 +3481,6 @@ static void i965_irq_preinstall(struct drm_device * dev)
        drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
        int pipe;
 
-       atomic_set(&dev_priv->irq_received, 0);
-
        I915_WRITE(PORT_HOTPLUG_EN, 0);
        I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
 
@@ -3618,8 +3594,6 @@ static irqreturn_t i965_irq_handler(int irq, void *arg)
                I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
                I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT;
 
-       atomic_inc(&dev_priv->irq_received);
-
        iir = I915_READ(IIR);
 
        for (;;) {