diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreen.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 79082d4..e47d221 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -731,7 +731,7 @@ int evergreen_cp_resume(struct radeon_device *rdev) /* Set ring buffer size */ rb_bufsz = drm_order(rdev->cp.ring_size / 8); - tmp = RB_NO_UPDATE | (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; + tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; #ifdef __BIG_ENDIAN tmp |= BUF_SWAP_32BIT; #endif @@ -745,8 +745,19 @@ int evergreen_cp_resume(struct radeon_device *rdev) WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); WREG32(CP_RB_RPTR_WR, 0); WREG32(CP_RB_WPTR, 0); - WREG32(CP_RB_RPTR_ADDR, rdev->cp.gpu_addr & 0xFFFFFFFF); - WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->cp.gpu_addr)); + + /* set the wb address wether 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); + + if (rdev->wb.enabled) + WREG32(SCRATCH_UMSK, 0xff); + else { + tmp |= RB_NO_UPDATE; + WREG32(SCRATCH_UMSK, 0); + } + mdelay(1); WREG32(CP_RB_CNTL, tmp); @@ -1759,8 +1770,10 @@ static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev) { u32 wptr, tmp; - /* XXX use writeback */ - wptr = RREG32(IH_RB_WPTR); + if (rdev->wb.enabled) + wptr = rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]; + else + wptr = RREG32(IH_RB_WPTR); if (wptr & RB_OVERFLOW) { /* When a ring buffer overflow happen start parsing interrupt @@ -2068,6 +2081,11 @@ static int evergreen_startup(struct radeon_device *rdev) } #endif + /* allocate wb buffer */ + r = radeon_wb_init(rdev); + if (r) + return r; + /* Enable IRQ */ r = r600_irq_init(rdev); if (r) { @@ -2086,8 +2104,6 @@ static int evergreen_startup(struct radeon_device *rdev) r = evergreen_cp_resume(rdev); if (r) return r; - /* write back buffer are not vital so don't worry about failure */ - r600_wb_enable(rdev); return 0; } @@ -2128,7 +2144,7 @@ int evergreen_suspend(struct radeon_device *rdev) r700_cp_stop(rdev); rdev->cp.ready = false; evergreen_irq_suspend(rdev); - r600_wb_disable(rdev); + radeon_wb_disable(rdev); evergreen_pcie_gart_disable(rdev); #if 0 /* unpin shaders bo */ @@ -2245,8 +2261,8 @@ int evergreen_init(struct radeon_device *rdev) if (r) { dev_err(rdev->dev, "disabling GPU acceleration\n"); r700_cp_fini(rdev); - r600_wb_fini(rdev); r600_irq_fini(rdev); + radeon_wb_fini(rdev); radeon_irq_kms_fini(rdev); evergreen_pcie_gart_fini(rdev); rdev->accel_working = false; @@ -2270,8 +2286,8 @@ void evergreen_fini(struct radeon_device *rdev) { /*r600_blit_fini(rdev);*/ r700_cp_fini(rdev); - r600_wb_fini(rdev); r600_irq_fini(rdev); + radeon_wb_fini(rdev); radeon_irq_kms_fini(rdev); evergreen_pcie_gart_fini(rdev); radeon_gem_fini(rdev); |