diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.h')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index a613bd4851ba..198c8b1a81e2 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -375,7 +375,7 @@ struct vmw_private { uint32_t stdu_max_height; uint32_t initial_width; uint32_t initial_height; - u32 __iomem *mmio_virt; + u32 *mmio_virt; uint32_t capabilities; uint32_t max_gmr_ids; uint32_t max_gmr_pages; @@ -1206,4 +1206,30 @@ static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) { atomic_dec(&dev_priv->num_fifo_resources); } + +/** + * vmw_mmio_read - Perform a MMIO read from volatile memory + * + * @addr: The address to read from + * + * This function is intended to be equivalent to ioread32() on + * memremap'd memory, but without byteswapping. + */ +static inline u32 vmw_mmio_read(u32 *addr) +{ + return READ_ONCE(*addr); +} + +/** + * vmw_mmio_write - Perform a MMIO write to volatile memory + * + * @addr: The address to write to + * + * This function is intended to be equivalent to iowrite32 on + * memremap'd memory, but without byteswapping. + */ +static inline void vmw_mmio_write(u32 value, u32 *addr) +{ + WRITE_ONCE(*addr, value); +} #endif |
