X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?p=kvmfornfv.git;a=blobdiff_plain;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fradeon%2Fr300.c;h=718b12b03b570de5687af46d97ef123dc130c961;hp=08d68f3e13e9887ff7b06f18e899c34fd85ae31a;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hpb=f93b97fd65072de626c074dbe099a1fff05ce060

diff --git a/kernel/drivers/gpu/drm/radeon/r300.c b/kernel/drivers/gpu/drm/radeon/r300.c
index 08d68f3e1..718b12b03 100644
--- a/kernel/drivers/gpu/drm/radeon/r300.c
+++ b/kernel/drivers/gpu/drm/radeon/r300.c
@@ -49,6 +49,31 @@
  *   tell. (Jerome Glisse)
  */
 
+/*
+ * Indirect registers accessor
+ */
+uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
+{
+	unsigned long flags;
+	uint32_t r;
+
+	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
+	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
+	r = RREG32(RADEON_PCIE_DATA);
+	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
+	return r;
+}
+
+void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&rdev->pcie_idx_lock, flags);
+	WREG32(RADEON_PCIE_INDEX, ((reg) & rdev->pcie_reg_mask));
+	WREG32(RADEON_PCIE_DATA, (v));
+	spin_unlock_irqrestore(&rdev->pcie_idx_lock, flags);
+}
+
 /*
  * rv370,rv380 PCIE GART
  */