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authorAlex Deucher <alexander.deucher@amd.com>2012-05-31 22:54:43 (GMT)
committerDave Airlie <airlied@redhat.com>2012-06-01 14:36:54 (GMT)
commit0b8c30bc4943137a4a36b9cb059b1cc684f5d702 (patch)
tree295dcf677dc9a45f83c305cd1c174b1654738c9d /drivers
parent29d654067a98c1cb8874c774e5fd799a038af8a6 (diff)
downloadlinux-fsl-qoriq-0b8c30bc4943137a4a36b9cb059b1cc684f5d702.tar.xz
drm/radeon: properly program gart on rv740, juniper, cypress, barts, hemlock
Need to program an additional VM register. This doesn't not currently cause any problems, but allows us to program the proper backend map in a subsequent patch which should improve performance on these asics. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c5
-rw-r--r--drivers/gpu/drm/radeon/evergreend.h1
-rw-r--r--drivers/gpu/drm/radeon/rv770.c2
-rw-r--r--drivers/gpu/drm/radeon/rv770d.h1
4 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 5d9c2c6..0408ac2 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1029,6 +1029,11 @@ int evergreen_pcie_gart_enable(struct radeon_device *rdev)
WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+ if ((rdev->family == CHIP_JUNIPER) ||
+ (rdev->family == CHIP_CYPRESS) ||
+ (rdev->family == CHIP_HEMLOCK) ||
+ (rdev->family == CHIP_BARTS))
+ WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
}
WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index 79130bf..3dd43e7 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -452,6 +452,7 @@
#define MC_VM_MD_L1_TLB0_CNTL 0x2654
#define MC_VM_MD_L1_TLB1_CNTL 0x2658
#define MC_VM_MD_L1_TLB2_CNTL 0x265C
+#define MC_VM_MD_L1_TLB3_CNTL 0x2698
#define FUS_MC_VM_MD_L1_TLB0_CNTL 0x265C
#define FUS_MC_VM_MD_L1_TLB1_CNTL 0x2660
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index c824d49..c12349d 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -151,6 +151,8 @@ int rv770_pcie_gart_enable(struct radeon_device *rdev)
WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+ if (rdev->family == CHIP_RV740)
+ WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h
index 9c549f7..7addbef 100644
--- a/drivers/gpu/drm/radeon/rv770d.h
+++ b/drivers/gpu/drm/radeon/rv770d.h
@@ -174,6 +174,7 @@
#define MC_VM_MD_L1_TLB0_CNTL 0x2654
#define MC_VM_MD_L1_TLB1_CNTL 0x2658
#define MC_VM_MD_L1_TLB2_CNTL 0x265C
+#define MC_VM_MD_L1_TLB3_CNTL 0x2698
#define MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR 0x203C
#define MC_VM_SYSTEM_APERTURE_HIGH_ADDR 0x2038
#define MC_VM_SYSTEM_APERTURE_LOW_ADDR 0x2034