drm/radeon: add indirect accessors for dift registers on CIK
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 5941ada..abf5268 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -2141,6 +2141,8 @@
#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 @@
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);