This enables writeback for the CP read pointer and
scratch regs on the remaining radeon asics.

Signed-off-by: Alex Deucher <alexdeuc...@gmail.com>
---
 drivers/gpu/drm/radeon/r100.c        |   97 +++++++++-------------------------
 drivers/gpu/drm/radeon/r300.c        |   15 +++--
 drivers/gpu/drm/radeon/r420.c        |   16 +++---
 drivers/gpu/drm/radeon/r520.c        |   11 +++--
 drivers/gpu/drm/radeon/r600.c        |    2 +-
 drivers/gpu/drm/radeon/radeon_asic.h |    3 -
 drivers/gpu/drm/radeon/rs400.c       |   15 +++--
 drivers/gpu/drm/radeon/rs600.c       |   15 +++--
 drivers/gpu/drm/radeon/rs690.c       |   15 +++--
 drivers/gpu/drm/radeon/rv515.c       |   15 +++--
 10 files changed, 88 insertions(+), 116 deletions(-)

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index e817a0b..c0c5cef 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -675,67 +675,6 @@ void r100_fence_ring_emit(struct radeon_device *rdev,
        radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
 }
 
-int r100_wb_init(struct radeon_device *rdev)
-{
-       int r;
-
-       if (rdev->wb.wb_obj == NULL) {
-               r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true,
-                                       RADEON_GEM_DOMAIN_GTT,
-                                       &rdev->wb.wb_obj);
-               if (r) {
-                       dev_err(rdev->dev, "(%d) create WB buffer failed\n", r);
-                       return r;
-               }
-               r = radeon_bo_reserve(rdev->wb.wb_obj, false);
-               if (unlikely(r != 0))
-                       return r;
-               r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT,
-                                       &rdev->wb.gpu_addr);
-               if (r) {
-                       dev_err(rdev->dev, "(%d) pin WB buffer failed\n", r);
-                       radeon_bo_unreserve(rdev->wb.wb_obj);
-                       return r;
-               }
-               r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
-               radeon_bo_unreserve(rdev->wb.wb_obj);
-               if (r) {
-                       dev_err(rdev->dev, "(%d) map WB buffer failed\n", r);
-                       return r;
-               }
-       }
-       WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr);
-       WREG32(R_00070C_CP_RB_RPTR_ADDR,
-               S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + 1024) >> 2));
-       WREG32(R_000770_SCRATCH_UMSK, 0xff);
-       return 0;
-}
-
-void r100_wb_disable(struct radeon_device *rdev)
-{
-       WREG32(R_000770_SCRATCH_UMSK, 0);
-}
-
-void r100_wb_fini(struct radeon_device *rdev)
-{
-       int r;
-
-       r100_wb_disable(rdev);
-       if (rdev->wb.wb_obj) {
-               r = radeon_bo_reserve(rdev->wb.wb_obj, false);
-               if (unlikely(r != 0)) {
-                       dev_err(rdev->dev, "(%d) can't finish WB\n", r);
-                       return;
-               }
-               radeon_bo_kunmap(rdev->wb.wb_obj);
-               radeon_bo_unpin(rdev->wb.wb_obj);
-               radeon_bo_unreserve(rdev->wb.wb_obj);
-               radeon_bo_unref(&rdev->wb.wb_obj);
-               rdev->wb.wb = NULL;
-               rdev->wb.wb_obj = NULL;
-       }
-}
-
 int r100_copy_blit(struct radeon_device *rdev,
                   uint64_t src_offset,
                   uint64_t dst_offset,
@@ -996,20 +935,32 @@ int r100_cp_init(struct radeon_device *rdev, unsigned 
ring_size)
        WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
        tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
               REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
-              REG_SET(RADEON_MAX_FETCH, max_fetch) |
-              RADEON_RB_NO_UPDATE);
+              REG_SET(RADEON_MAX_FETCH, max_fetch));
 #ifdef __BIG_ENDIAN
        tmp |= RADEON_BUF_SWAP_32BIT;
 #endif
-       WREG32(RADEON_CP_RB_CNTL, tmp);
+       WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_NO_UPDATE);
 
        /* Set ring address */
        DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned 
long)rdev->cp.gpu_addr);
        WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr);
        /* Force read & write ptr to 0 */
-       WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
+       WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | 
RADEON_RB_NO_UPDATE);
        WREG32(RADEON_CP_RB_RPTR_WR, 0);
        WREG32(RADEON_CP_RB_WPTR, 0);
+
+       /* set the wb address whether it's enabled or not */
+       WREG32(R_00070C_CP_RB_RPTR_ADDR,
+               S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + 
RADEON_WB_CP_RPTR_OFFSET) >> 2));
+       WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr + 
RADEON_WB_SCRATCH_OFFSET);
+
+       if (rdev->wb.enabled)
+               WREG32(R_000770_SCRATCH_UMSK, 0xff);
+       else {
+               tmp |= RADEON_RB_NO_UPDATE;
+               WREG32(R_000770_SCRATCH_UMSK, 0);
+       }
+
        WREG32(RADEON_CP_RB_CNTL, tmp);
        udelay(10);
        rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
@@ -1050,6 +1001,7 @@ void r100_cp_disable(struct radeon_device *rdev)
        rdev->cp.ready = false;
        WREG32(RADEON_CP_CSQ_MODE, 0);
        WREG32(RADEON_CP_CSQ_CNTL, 0);
+       WREG32(R_000770_SCRATCH_UMSK, 0);
        if (r100_gui_wait_for_idle(rdev)) {
                printk(KERN_WARNING "Failed to wait GUI idle while "
                       "programming pipes. Bad things might happen.\n");
@@ -3744,6 +3696,12 @@ static int r100_startup(struct radeon_device *rdev)
                if (r)
                        return r;
        }
+
+       /* allocate wb buffer */
+       radeon_wb_init(rdev);
+       if (r)
+               return r;
+
        /* Enable IRQ */
        r100_irq_set(rdev);
        rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
@@ -3753,9 +3711,6 @@ static int r100_startup(struct radeon_device *rdev)
                dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
                return r;
        }
-       r = r100_wb_init(rdev);
-       if (r)
-               dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
        r = r100_ib_init(rdev);
        if (r) {
                dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
@@ -3789,7 +3744,7 @@ int r100_resume(struct radeon_device *rdev)
 int r100_suspend(struct radeon_device *rdev)
 {
        r100_cp_disable(rdev);
-       r100_wb_disable(rdev);
+       radeon_wb_disable(rdev);
        r100_irq_disable(rdev);
        if (rdev->flags & RADEON_IS_PCI)
                r100_pci_gart_disable(rdev);
@@ -3799,7 +3754,7 @@ int r100_suspend(struct radeon_device *rdev)
 void r100_fini(struct radeon_device *rdev)
 {
        r100_cp_fini(rdev);
-       r100_wb_fini(rdev);
+       radeon_wb_fini(rdev);
        r100_ib_fini(rdev);
        radeon_gem_fini(rdev);
        if (rdev->flags & RADEON_IS_PCI)
@@ -3912,7 +3867,7 @@ int r100_init(struct radeon_device *rdev)
                /* Somethings want wront with the accel init stop accel */
                dev_err(rdev->dev, "Disabling GPU acceleration\n");
                r100_cp_fini(rdev);
-               r100_wb_fini(rdev);
+               radeon_wb_fini(rdev);
                r100_ib_fini(rdev);
                radeon_irq_kms_fini(rdev);
                if (rdev->flags & RADEON_IS_PCI)
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index c827738..72550ad 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -1332,6 +1332,12 @@ static int r300_startup(struct radeon_device *rdev)
                if (r)
                        return r;
        }
+
+       /* allocate wb buffer */
+       radeon_wb_init(rdev);
+       if (r)
+               return r;
+
        /* Enable IRQ */
        r100_irq_set(rdev);
        rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
@@ -1341,9 +1347,6 @@ static int r300_startup(struct radeon_device *rdev)
                dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
                return r;
        }
-       r = r100_wb_init(rdev);
-       if (r)
-               dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
        r = r100_ib_init(rdev);
        if (r) {
                dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
@@ -1379,7 +1382,7 @@ int r300_resume(struct radeon_device *rdev)
 int r300_suspend(struct radeon_device *rdev)
 {
        r100_cp_disable(rdev);
-       r100_wb_disable(rdev);
+       radeon_wb_disable(rdev);
        r100_irq_disable(rdev);
        if (rdev->flags & RADEON_IS_PCIE)
                rv370_pcie_gart_disable(rdev);
@@ -1391,7 +1394,7 @@ int r300_suspend(struct radeon_device *rdev)
 void r300_fini(struct radeon_device *rdev)
 {
        r100_cp_fini(rdev);
-       r100_wb_fini(rdev);
+       radeon_wb_fini(rdev);
        r100_ib_fini(rdev);
        radeon_gem_fini(rdev);
        if (rdev->flags & RADEON_IS_PCIE)
@@ -1484,7 +1487,7 @@ int r300_init(struct radeon_device *rdev)
                /* Somethings want wront with the accel init stop accel */
                dev_err(rdev->dev, "Disabling GPU acceleration\n");
                r100_cp_fini(rdev);
-               r100_wb_fini(rdev);
+               radeon_wb_fini(rdev);
                r100_ib_fini(rdev);
                radeon_irq_kms_fini(rdev);
                if (rdev->flags & RADEON_IS_PCIE)
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index 59f7bcc..787d840 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -248,6 +248,12 @@ static int r420_startup(struct radeon_device *rdev)
                        return r;
        }
        r420_pipes_init(rdev);
+
+       /* allocate wb buffer */
+       radeon_wb_init(rdev);
+       if (r)
+               return r;
+
        /* Enable IRQ */
        r100_irq_set(rdev);
        rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
@@ -258,10 +264,6 @@ static int r420_startup(struct radeon_device *rdev)
                return r;
        }
        r420_cp_errata_init(rdev);
-       r = r100_wb_init(rdev);
-       if (r) {
-               dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
-       }
        r = r100_ib_init(rdev);
        if (r) {
                dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
@@ -302,7 +304,7 @@ int r420_suspend(struct radeon_device *rdev)
 {
        r420_cp_errata_fini(rdev);
        r100_cp_disable(rdev);
-       r100_wb_disable(rdev);
+       radeon_wb_disable(rdev);
        r100_irq_disable(rdev);
        if (rdev->flags & RADEON_IS_PCIE)
                rv370_pcie_gart_disable(rdev);
@@ -314,7 +316,7 @@ int r420_suspend(struct radeon_device *rdev)
 void r420_fini(struct radeon_device *rdev)
 {
        r100_cp_fini(rdev);
-       r100_wb_fini(rdev);
+       radeon_wb_fini(rdev);
        r100_ib_fini(rdev);
        radeon_gem_fini(rdev);
        if (rdev->flags & RADEON_IS_PCIE)
@@ -418,7 +420,7 @@ int r420_init(struct radeon_device *rdev)
                /* Somethings want wront with the accel init stop accel */
                dev_err(rdev->dev, "Disabling GPU acceleration\n");
                r100_cp_fini(rdev);
-               r100_wb_fini(rdev);
+               radeon_wb_fini(rdev);
                r100_ib_fini(rdev);
                radeon_irq_kms_fini(rdev);
                if (rdev->flags & RADEON_IS_PCIE)
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index 1458dee..c8d2792 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -181,6 +181,12 @@ static int r520_startup(struct radeon_device *rdev)
                if (r)
                        return r;
        }
+
+       /* allocate wb buffer */
+       radeon_wb_init(rdev);
+       if (r)
+               return r;
+
        /* Enable IRQ */
        rs600_irq_set(rdev);
        rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
@@ -190,9 +196,6 @@ static int r520_startup(struct radeon_device *rdev)
                dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
                return r;
        }
-       r = r100_wb_init(rdev);
-       if (r)
-               dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
        r = r100_ib_init(rdev);
        if (r) {
                dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
@@ -295,7 +298,7 @@ int r520_init(struct radeon_device *rdev)
                /* Somethings want wront with the accel init stop accel */
                dev_err(rdev->dev, "Disabling GPU acceleration\n");
                r100_cp_fini(rdev);
-               r100_wb_fini(rdev);
+               radeon_wb_fini(rdev);
                r100_ib_fini(rdev);
                radeon_irq_kms_fini(rdev);
                rv370_pcie_gart_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index cb6319d..4b90a84 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2169,7 +2169,7 @@ int r600_cp_resume(struct radeon_device *rdev)
        WREG32(CP_RB_RPTR_WR, 0);
        WREG32(CP_RB_WPTR, 0);
 
-       /* set the wb address wether it's enabled or not */
+       /* set the wb address whether it's enabled or not */
        WREG32(CP_RB_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) 
& 0xFFFFFFFC);
        WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + 
RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
        WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 
8) & 0xFFFFFFFF);
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h 
b/drivers/gpu/drm/radeon/radeon_asic.h
index a5aff75..6d3b055 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -108,9 +108,6 @@ void r100_irq_disable(struct radeon_device *rdev);
 void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save);
 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save);
 void r100_vram_init_sizes(struct radeon_device *rdev);
-void r100_wb_disable(struct radeon_device *rdev);
-void r100_wb_fini(struct radeon_device *rdev);
-int r100_wb_init(struct radeon_device *rdev);
 int r100_cp_reset(struct radeon_device *rdev);
 void r100_vga_render_disable(struct radeon_device *rdev);
 void r100_restore_sanity(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index ae2b76b..9d55908 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -397,6 +397,12 @@ static int rs400_startup(struct radeon_device *rdev)
        r = rs400_gart_enable(rdev);
        if (r)
                return r;
+
+       /* allocate wb buffer */
+       radeon_wb_init(rdev);
+       if (r)
+               return r;
+
        /* Enable IRQ */
        r100_irq_set(rdev);
        rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
@@ -406,9 +412,6 @@ static int rs400_startup(struct radeon_device *rdev)
                dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
                return r;
        }
-       r = r100_wb_init(rdev);
-       if (r)
-               dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
        r = r100_ib_init(rdev);
        if (r) {
                dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
@@ -443,7 +446,7 @@ int rs400_resume(struct radeon_device *rdev)
 int rs400_suspend(struct radeon_device *rdev)
 {
        r100_cp_disable(rdev);
-       r100_wb_disable(rdev);
+       radeon_wb_disable(rdev);
        r100_irq_disable(rdev);
        rs400_gart_disable(rdev);
        return 0;
@@ -452,7 +455,7 @@ int rs400_suspend(struct radeon_device *rdev)
 void rs400_fini(struct radeon_device *rdev)
 {
        r100_cp_fini(rdev);
-       r100_wb_fini(rdev);
+       radeon_wb_fini(rdev);
        r100_ib_fini(rdev);
        radeon_gem_fini(rdev);
        rs400_gart_fini(rdev);
@@ -526,7 +529,7 @@ int rs400_init(struct radeon_device *rdev)
                /* Somethings want wront with the accel init stop accel */
                dev_err(rdev->dev, "Disabling GPU acceleration\n");
                r100_cp_fini(rdev);
-               r100_wb_fini(rdev);
+               radeon_wb_fini(rdev);
                r100_ib_fini(rdev);
                rs400_gart_fini(rdev);
                radeon_irq_kms_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index cc05b23..ce6de6e 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -795,6 +795,12 @@ static int rs600_startup(struct radeon_device *rdev)
        r = rs600_gart_enable(rdev);
        if (r)
                return r;
+
+       /* allocate wb buffer */
+       radeon_wb_init(rdev);
+       if (r)
+               return r;
+
        /* Enable IRQ */
        rs600_irq_set(rdev);
        rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
@@ -804,9 +810,6 @@ static int rs600_startup(struct radeon_device *rdev)
                dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
                return r;
        }
-       r = r100_wb_init(rdev);
-       if (r)
-               dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
        r = r100_ib_init(rdev);
        if (r) {
                dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
@@ -847,7 +850,7 @@ int rs600_suspend(struct radeon_device *rdev)
 {
        r600_audio_fini(rdev);
        r100_cp_disable(rdev);
-       r100_wb_disable(rdev);
+       radeon_wb_disable(rdev);
        rs600_irq_disable(rdev);
        rs600_gart_disable(rdev);
        return 0;
@@ -857,7 +860,7 @@ void rs600_fini(struct radeon_device *rdev)
 {
        r600_audio_fini(rdev);
        r100_cp_fini(rdev);
-       r100_wb_fini(rdev);
+       radeon_wb_fini(rdev);
        r100_ib_fini(rdev);
        radeon_gem_fini(rdev);
        rs600_gart_fini(rdev);
@@ -931,7 +934,7 @@ int rs600_init(struct radeon_device *rdev)
                /* Somethings want wront with the accel init stop accel */
                dev_err(rdev->dev, "Disabling GPU acceleration\n");
                r100_cp_fini(rdev);
-               r100_wb_fini(rdev);
+               radeon_wb_fini(rdev);
                r100_ib_fini(rdev);
                rs600_gart_fini(rdev);
                radeon_irq_kms_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 3e3f757..8ea87dd 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -615,6 +615,12 @@ static int rs690_startup(struct radeon_device *rdev)
        r = rs400_gart_enable(rdev);
        if (r)
                return r;
+
+       /* allocate wb buffer */
+       radeon_wb_init(rdev);
+       if (r)
+               return r;
+
        /* Enable IRQ */
        rs600_irq_set(rdev);
        rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
@@ -624,9 +630,6 @@ static int rs690_startup(struct radeon_device *rdev)
                dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
                return r;
        }
-       r = r100_wb_init(rdev);
-       if (r)
-               dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
        r = r100_ib_init(rdev);
        if (r) {
                dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
@@ -667,7 +670,7 @@ int rs690_suspend(struct radeon_device *rdev)
 {
        r600_audio_fini(rdev);
        r100_cp_disable(rdev);
-       r100_wb_disable(rdev);
+       radeon_wb_disable(rdev);
        rs600_irq_disable(rdev);
        rs400_gart_disable(rdev);
        return 0;
@@ -677,7 +680,7 @@ void rs690_fini(struct radeon_device *rdev)
 {
        r600_audio_fini(rdev);
        r100_cp_fini(rdev);
-       r100_wb_fini(rdev);
+       radeon_wb_fini(rdev);
        r100_ib_fini(rdev);
        radeon_gem_fini(rdev);
        rs400_gart_fini(rdev);
@@ -752,7 +755,7 @@ int rs690_init(struct radeon_device *rdev)
                /* Somethings want wront with the accel init stop accel */
                dev_err(rdev->dev, "Disabling GPU acceleration\n");
                r100_cp_fini(rdev);
-               r100_wb_fini(rdev);
+               radeon_wb_fini(rdev);
                r100_ib_fini(rdev);
                rs400_gart_fini(rdev);
                radeon_irq_kms_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 4d6e860..37e87e6 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -386,6 +386,12 @@ static int rv515_startup(struct radeon_device *rdev)
                if (r)
                        return r;
        }
+
+       /* allocate wb buffer */
+       radeon_wb_init(rdev);
+       if (r)
+               return r;
+
        /* Enable IRQ */
        rs600_irq_set(rdev);
        rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
@@ -395,9 +401,6 @@ static int rv515_startup(struct radeon_device *rdev)
                dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
                return r;
        }
-       r = r100_wb_init(rdev);
-       if (r)
-               dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
        r = r100_ib_init(rdev);
        if (r) {
                dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
@@ -431,7 +434,7 @@ int rv515_resume(struct radeon_device *rdev)
 int rv515_suspend(struct radeon_device *rdev)
 {
        r100_cp_disable(rdev);
-       r100_wb_disable(rdev);
+       radeon_wb_disable(rdev);
        rs600_irq_disable(rdev);
        if (rdev->flags & RADEON_IS_PCIE)
                rv370_pcie_gart_disable(rdev);
@@ -447,7 +450,7 @@ void rv515_set_safe_registers(struct radeon_device *rdev)
 void rv515_fini(struct radeon_device *rdev)
 {
        r100_cp_fini(rdev);
-       r100_wb_fini(rdev);
+       radeon_wb_fini(rdev);
        r100_ib_fini(rdev);
        radeon_gem_fini(rdev);
        rv370_pcie_gart_fini(rdev);
@@ -527,7 +530,7 @@ int rv515_init(struct radeon_device *rdev)
                /* Somethings want wront with the accel init stop accel */
                dev_err(rdev->dev, "Disabling GPU acceleration\n");
                r100_cp_fini(rdev);
-               r100_wb_fini(rdev);
+               radeon_wb_fini(rdev);
                r100_ib_fini(rdev);
                radeon_irq_kms_fini(rdev);
                rv370_pcie_gart_fini(rdev);
-- 
1.7.1.1

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