drm/radeon: add indirect accessors for UVD CTX registers
These are needed for certain UVD power saving features.
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 706b018..4ea447d 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -2094,6 +2094,8 @@
#define WREG32_PIF_PHY0(reg, v) eg_pif_phy0_wreg(rdev, (reg), (v))
#define RREG32_PIF_PHY1(reg) eg_pif_phy1_rreg(rdev, (reg))
#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 WREG32_P(reg, val, mask) \
do { \
uint32_t tmp_ = RREG32(reg); \
@@ -2210,6 +2212,21 @@
WREG32(EVERGREEN_PIF_PHY1_DATA, (v));
}
+static inline u32 r600_uvd_ctx_rreg(struct radeon_device *rdev, u32 reg)
+{
+ u32 r;
+
+ WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
+ r = RREG32(R600_UVD_CTX_DATA);
+ return r;
+}
+
+static inline void r600_uvd_ctx_wreg(struct radeon_device *rdev, u32 reg, u32 v)
+{
+ WREG32(R600_UVD_CTX_INDEX, ((reg) & 0x1ff));
+ WREG32(R600_UVD_CTX_DATA, (v));
+}
+
void r100_pll_errata_after_index(struct radeon_device *rdev);