drm/i915: Compile out error state without DEBUG_FS
Alexander reported that the compilation of intel_overlay.c was failing
due to an inclusion that was only valid with CONFIG_DEBUG_FS. As the
whole error reporting is only useful with debugfs enabled, remove all
the redundant error state collection code when compiling without
CONFIG_DEBUG_FS.
Reported-by: Alexander Lam <lambchop468@gmail.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 1016073..634e1c46 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -874,7 +874,6 @@
/* i915_irq.c */
void i915_hangcheck_elapsed(unsigned long data);
-void i915_destroy_error_state(struct drm_device *dev);
extern int i915_irq_emit(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_irq_wait(struct drm_device *dev, void *data,
@@ -911,6 +910,12 @@
void intel_enable_asle (struct drm_device *dev);
+#ifdef CONFIG_DEBUG_FS
+extern void i915_destroy_error_state(struct drm_device *dev);
+#else
+#define i915_destroy_error_state(x)
+#endif
+
/* i915_mem.c */
extern int i915_mem_alloc(struct drm_device *dev, void *data,
@@ -1091,8 +1096,10 @@
extern int intel_trans_dp_port_sel (struct drm_crtc *crtc);
/* overlay */
+#ifdef CONFIG_DEBUG_FS
extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
extern void intel_overlay_print_error_state(struct seq_file *m, struct intel_overlay_error_state *error);
+#endif
/**
* Lock test for when it's just for synchronization of ring access.
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index e797157..080ea3b 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -421,6 +421,7 @@
}
}
+#ifdef CONFIG_DEBUG_FS
static struct drm_i915_error_object *
i915_error_object_create(struct drm_device *dev,
struct drm_gem_object *src)
@@ -744,6 +745,9 @@
if (error)
i915_error_state_free(dev, error);
}
+#else
+#define i915_capture_error_state(x)
+#endif
static void i915_report_and_clear_eir(struct drm_device *dev)
{
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index bb2256f..743ced7 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -190,31 +190,6 @@
};
static struct overlay_registers *
-intel_overlay_map_regs_atomic(struct intel_overlay *overlay,
- int slot)
-{
- drm_i915_private_t *dev_priv = overlay->dev->dev_private;
- struct overlay_registers *regs;
-
- if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
- regs = overlay->reg_bo->phys_obj->handle->vaddr;
- else
- regs = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
- overlay->reg_bo->gtt_offset,
- slot);
-
- return regs;
-}
-
-static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay,
- int slot,
- struct overlay_registers *regs)
-{
- if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
- io_mapping_unmap_atomic(regs, slot);
-}
-
-static struct overlay_registers *
intel_overlay_map_regs(struct intel_overlay *overlay)
{
drm_i915_private_t *dev_priv = overlay->dev->dev_private;
@@ -1454,6 +1429,9 @@
kfree(dev_priv->overlay);
}
+#ifdef CONFIG_DEBUG_FS
+#include <linux/seq_file.h>
+
struct intel_overlay_error_state {
struct overlay_registers regs;
unsigned long base;
@@ -1461,6 +1439,32 @@
u32 isr;
};
+static struct overlay_registers *
+intel_overlay_map_regs_atomic(struct intel_overlay *overlay,
+ int slot)
+{
+ drm_i915_private_t *dev_priv = overlay->dev->dev_private;
+ struct overlay_registers *regs;
+
+ if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
+ regs = overlay->reg_bo->phys_obj->handle->vaddr;
+ else
+ regs = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
+ overlay->reg_bo->gtt_offset,
+ slot);
+
+ return regs;
+}
+
+static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay,
+ int slot,
+ struct overlay_registers *regs)
+{
+ if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
+ io_mapping_unmap_atomic(regs, slot);
+}
+
+
struct intel_overlay_error_state *
intel_overlay_capture_error_state(struct drm_device *dev)
{
@@ -1549,3 +1553,4 @@
P(UVSCALEV);
#undef P
}
+#endif