summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2013-02-25 15:18:39 -0500
committerAlex Deucher <alexander.deucher@amd.com>2013-06-27 19:16:30 -0400
commit93656cdd3c82a0b9ee1f6755bfdecd30d2541870 (patch)
tree42dec1f599c02425b37587c80cfc4bf3883fc647 /drivers/gpu/drm/radeon
parentbeb79f40b8dcc24153678c6ae31faf0fe50b9376 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/radeon')
-rw-r--r--drivers/gpu/drm/radeon/r600_reg.h3
-rw-r--r--drivers/gpu/drm/radeon/radeon.h17
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600_reg.h b/drivers/gpu/drm/radeon/r600_reg.h
index 58c86cc051b..3ef202629e7 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 706b018e019..4ea447d52b6 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);