From 93656cdd3c82a0b9ee1f6755bfdecd30d2541870 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 25 Feb 2013 15:18:39 -0500 Subject: [PATCH] drm/radeon: add indirect accessors for UVD CTX registers These are needed for certain UVD power saving features. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/r600_reg.h | 3 +++ drivers/gpu/drm/radeon/radeon.h | 17 +++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/drivers/gpu/drm/radeon/r600_reg.h b/drivers/gpu/drm/radeon/r600_reg.h index 58c86cc051b1..3ef202629e7e 100644 --- a/drivers/gpu/drm/radeon/r600_reg.h +++ b/drivers/gpu/drm/radeon/r600_reg.h @@ -34,6 +34,9 @@ #define R600_RCU_INDEX 0x0100 #define R600_RCU_DATA 0x0104 +#define R600_UVD_CTX_INDEX 0xf4a0 +#define R600_UVD_CTX_DATA 0xf4a4 + #define R600_MC_VM_FB_LOCATION 0x2180 #define R600_MC_FB_BASE_MASK 0x0000FFFF #define R600_MC_FB_BASE_SHIFT 0 diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 706b018e019e..4ea447d52b62 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -2094,6 +2094,8 @@ void cik_mm_wdoorbell(struct radeon_device *rdev, u32 offset, u32 v); #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 @@ static inline void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v) 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); -- 2.34.1