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-rw-r--r--drivers/gpu/drm/radeon/cik_reg.h3
-rw-r--r--drivers/gpu/drm/radeon/radeon.h18
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cik_reg.h b/drivers/gpu/drm/radeon/cik_reg.h
index d71e46d571f5..ca1bb6133580 100644
--- a/drivers/gpu/drm/radeon/cik_reg.h
+++ b/drivers/gpu/drm/radeon/cik_reg.h
@@ -24,6 +24,9 @@
#ifndef __CIK_REG_H__
#define __CIK_REG_H__
+#define CIK_DIDT_IND_INDEX 0xca00
+#define CIK_DIDT_IND_DATA 0xca04
+
#define CIK_DC_GPIO_HPD_MASK 0x65b0
#define CIK_DC_GPIO_HPD_A 0x65b4
#define CIK_DC_GPIO_HPD_EN 0x65b8
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 5941ada063d1..abf52687b309 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -2141,6 +2141,8 @@ void cik_mm_wdoorbell(struct radeon_device *rdev, u32 offset, u32 v);
#define WREG32_PIF_PHY1(reg, v) eg_pif_phy1_wreg(rdev, (reg), (v))
#define RREG32_UVD_CTX(reg) r600_uvd_ctx_rreg(rdev, (reg))
#define WREG32_UVD_CTX(reg, v) r600_uvd_ctx_wreg(rdev, (reg), (v))
+#define RREG32_DIDT(reg) cik_didt_rreg(rdev, (reg))
+#define WREG32_DIDT(reg, v) cik_didt_wreg(rdev, (reg), (v))
#define WREG32_P(reg, val, mask) \
do { \
uint32_t tmp_ = RREG32(reg); \
@@ -2272,6 +2274,22 @@ static inline void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
WREG32(R600_UVD_CTX_DATA, (v));
}
+
+static inline u32 cik_didt_rreg(struct radeon_device *rdev, u32 reg)
+{
+ u32 r;
+
+ WREG32(CIK_DIDT_IND_INDEX, (reg));
+ r = RREG32(CIK_DIDT_IND_DATA);
+ return r;
+}
+
+static inline void cik_didt_wreg(struct radeon_device *rdev, u32 reg, u32 v)
+{
+ WREG32(CIK_DIDT_IND_INDEX, (reg));
+ WREG32(CIK_DIDT_IND_DATA, (v));
+}
+
void r100_pll_errata_after_index(struct radeon_device *rdev);