diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index d80dc547a105..79c988db79ad 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -2776,18 +2776,25 @@ void radeon_atombios_fini(struct radeon_device *rdev); /* * RING helpers. */ -#if DRM_DEBUG_CODE == 0 + +/** + * radeon_ring_write - write a value to the ring + * + * @ring: radeon_ring structure holding ring information + * @v: dword (dw) value to write + * + * Write a value to the requested ring buffer (all asics). + */ static inline void radeon_ring_write(struct radeon_ring *ring, uint32_t v) { + if (ring->count_dw <= 0) + DRM_ERROR("radeon: writing more dwords to the ring than expected!\n"); + ring->ring[ring->wptr++] = v; ring->wptr &= ring->ptr_mask; ring->count_dw--; ring->ring_free_dw--; } -#else -/* With debugging this is just too big to inline */ -void radeon_ring_write(struct radeon_ring *ring, uint32_t v); -#endif /* * ASICs macro. |