Borrow the idea from net_dim.h to simplify the common determination of
how many bits in a particular type (sizeof(type) * BITS_PER_BYTE).
Suggested-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.c | 4 ++--
drivers/gpu/drm/i915/i915_gem.c | 2 +-
drivers/gpu/drm/i915/i915_query.c | 2 +-
drivers/gpu/drm/i915/i915_syncmap.c | 2 +-
drivers/gpu/drm/i915/i915_utils.h | 2 +-
drivers/gpu/drm/i915/intel_device_info.c | 3 +--
drivers/gpu/drm/i915/intel_engine_cs.c | 2 +-
7 files changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 44e2c0f5ec50..ade9bca250fa 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1649,8 +1649,8 @@ i915_driver_create(struct pci_dev *pdev, const struct pci_device_id *ent)
device_info->device_id = pdev->device;
BUILD_BUG_ON(INTEL_MAX_PLATFORMS >
- sizeof(device_info->platform_mask) * BITS_PER_BYTE);
- BUG_ON(device_info->gen > sizeof(device_info->gen_mask) * BITS_PER_BYTE);
+ BITS_PER_TYPE(device_info->platform_mask));
+ BUG_ON(device_info->gen > BITS_PER_TYPE(device_info->gen_mask));
return i915;
}
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index db9688d14912..717f4321e987 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -5959,7 +5959,7 @@ void i915_gem_track_fb(struct drm_i915_gem_object *old,
* the bits.
*/
BUILD_BUG_ON(INTEL_FRONTBUFFER_BITS_PER_PIPE * I915_MAX_PIPES >
- sizeof(atomic_t) * BITS_PER_BYTE);
+ BITS_PER_TYPE(atomic_t));
if (old) {
WARN_ON(!(atomic_read(&old->frontbuffer_bits) & frontbuffer_bits));
diff --git a/drivers/gpu/drm/i915/i915_query.c b/drivers/gpu/drm/i915/i915_query.c
index 3f502eef2431..5821002cad42 100644
--- a/drivers/gpu/drm/i915/i915_query.c
+++ b/drivers/gpu/drm/i915/i915_query.c
@@ -28,7 +28,7 @@ static int query_topology_info(struct drm_i915_private *dev_priv,
slice_length = sizeof(sseu->slice_mask);
subslice_length = sseu->max_slices *
DIV_ROUND_UP(sseu->max_subslices,
- sizeof(sseu->subslice_mask[0]) * BITS_PER_BYTE);
+ BITS_PER_TYPE(sseu->subslice_mask[0]));
eu_length = sseu->max_slices * sseu->max_subslices *
DIV_ROUND_UP(sseu->max_eus_per_subslice, BITS_PER_BYTE);
diff --git a/drivers/gpu/drm/i915/i915_syncmap.c b/drivers/gpu/drm/i915/i915_syncmap.c
index 58f8d0cc125c..60404dbb2e9f 100644
--- a/drivers/gpu/drm/i915/i915_syncmap.c
+++ b/drivers/gpu/drm/i915/i915_syncmap.c
@@ -92,7 +92,7 @@ void i915_syncmap_init(struct i915_syncmap **root)
{
BUILD_BUG_ON_NOT_POWER_OF_2(KSYNCMAP);
BUILD_BUG_ON_NOT_POWER_OF_2(SHIFT);
- BUILD_BUG_ON(KSYNCMAP > BITS_PER_BYTE * sizeof((*root)->bitmap));
+ BUILD_BUG_ON(KSYNCMAP > BITS_PER_TYPE((*root)->bitmap));
*root = NULL;
}
diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h
index 395dd2511568..5858a43e19da 100644
--- a/drivers/gpu/drm/i915/i915_utils.h
+++ b/drivers/gpu/drm/i915/i915_utils.h
@@ -68,7 +68,7 @@
/* Note we don't consider signbits :| */
#define overflows_type(x, T) \
- (sizeof(x) > sizeof(T) && (x) >> (sizeof(T) * BITS_PER_BYTE))
+ (sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T))
#define ptr_mask_bits(ptr, n) ({ \
unsigned long __v = (unsigned long)(ptr); \
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 0ef0c6448d53..31f6be774833 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -750,8 +750,7 @@ void intel_device_info_runtime_init(struct intel_device_info *info)
info->num_scalers[PIPE_C] = 1;
}
- BUILD_BUG_ON(I915_NUM_ENGINES >
- sizeof(intel_ring_mask_t) * BITS_PER_BYTE);
+ BUILD_BUG_ON(I915_NUM_ENGINES > BITS_PER_TYPE(intel_ring_mask_t));
/*
* Skylake and Broxton currently don't expose the topmost plane as its
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 217ed3ee1cab..6726d57f018f 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -335,7 +335,7 @@ int intel_engines_init_mmio(struct drm_i915_private *dev_priv)
WARN_ON(ring_mask == 0);
WARN_ON(ring_mask &
- GENMASK(sizeof(mask) * BITS_PER_BYTE - 1, I915_NUM_ENGINES));
+ GENMASK(BITS_PER_TYPE(mask) - 1, I915_NUM_ENGINES));
for (i = 0; i < ARRAY_SIZE(intel_engines); i++) {
if (!HAS_ENGINE(dev_priv, i))
--
2.19.0
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