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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_cp.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_cp.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c index 8338353e505..e42b6a2a7e8 100644 --- a/drivers/gpu/drm/radeon/radeon_cp.c +++ b/drivers/gpu/drm/radeon/radeon_cp.c @@ -89,6 +89,20 @@ u32 radeon_get_scratch(drm_radeon_private_t *dev_priv, int index) return RADEON_READ(RADEON_SCRATCH_REG0 + 4*index); } +u32 RADEON_READ_MM(drm_radeon_private_t *dev_priv, int addr) +{ + u32 ret; + + if (addr < 0x10000) + ret = DRM_READ32(dev_priv->mmio, addr); + else { + DRM_WRITE32(dev_priv->mmio, RADEON_MM_INDEX, addr); + ret = DRM_READ32(dev_priv->mmio, RADEON_MM_DATA); + } + + return ret; +} + static u32 R500_READ_MCIND(drm_radeon_private_t *dev_priv, int addr) { u32 ret; |