diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 116 |
1 files changed, 37 insertions, 79 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 927509ff349a..fbce58b2cd04 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1918,6 +1918,7 @@ void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) void r600_cp_stop(struct radeon_device *rdev) { WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); + WREG32(SCRATCH_UMSK, 0); } int r600_init_microcode(struct radeon_device *rdev) @@ -2150,7 +2151,7 @@ int r600_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 @@ -2164,8 +2165,19 @@ int r600_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 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); + + if (rdev->wb.enabled) + WREG32(SCRATCH_UMSK, 0xff); + else { + tmp |= RB_NO_UPDATE; + WREG32(SCRATCH_UMSK, 0); + } + mdelay(1); WREG32(CP_RB_CNTL, tmp); @@ -2217,9 +2229,10 @@ void r600_scratch_init(struct radeon_device *rdev) int i; rdev->scratch.num_reg = 7; + rdev->scratch.reg_base = SCRATCH_REG0; for (i = 0; i < rdev->scratch.num_reg; i++) { rdev->scratch.free[i] = true; - rdev->scratch.reg[i] = SCRATCH_REG0 + (i * 4); + rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4); } } @@ -2263,70 +2276,6 @@ int r600_ring_test(struct radeon_device *rdev) return r; } -void r600_wb_disable(struct radeon_device *rdev) -{ - int r; - - WREG32(SCRATCH_UMSK, 0); - if (rdev->wb.wb_obj) { - r = radeon_bo_reserve(rdev->wb.wb_obj, false); - if (unlikely(r != 0)) - return; - radeon_bo_kunmap(rdev->wb.wb_obj); - radeon_bo_unpin(rdev->wb.wb_obj); - radeon_bo_unreserve(rdev->wb.wb_obj); - } -} - -void r600_wb_fini(struct radeon_device *rdev) -{ - r600_wb_disable(rdev); - if (rdev->wb.wb_obj) { - radeon_bo_unref(&rdev->wb.wb_obj); - rdev->wb.wb = NULL; - rdev->wb.wb_obj = NULL; - } -} - -int r600_wb_enable(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_warn(rdev->dev, "(%d) create WB bo failed\n", r); - return r; - } - r = radeon_bo_reserve(rdev->wb.wb_obj, false); - if (unlikely(r != 0)) { - r600_wb_fini(rdev); - return r; - } - r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT, - &rdev->wb.gpu_addr); - if (r) { - radeon_bo_unreserve(rdev->wb.wb_obj); - dev_warn(rdev->dev, "(%d) pin WB bo failed\n", r); - r600_wb_fini(rdev); - return r; - } - r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb); - radeon_bo_unreserve(rdev->wb.wb_obj); - if (r) { - dev_warn(rdev->dev, "(%d) map WB bo failed\n", r); - r600_wb_fini(rdev); - return r; - } - } - WREG32(SCRATCH_ADDR, (rdev->wb.gpu_addr >> 8) & 0xFFFFFFFF); - WREG32(CP_RB_RPTR_ADDR, (rdev->wb.gpu_addr + 1024) & 0xFFFFFFFC); - WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + 1024) & 0xFF); - WREG32(SCRATCH_UMSK, 0xff); - return 0; -} - void r600_fence_ring_emit(struct radeon_device *rdev, struct radeon_fence *fence) { @@ -2427,6 +2376,11 @@ int r600_startup(struct radeon_device *rdev) dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); } + /* allocate wb buffer */ + r = radeon_wb_init(rdev); + if (r) + return r; + /* Enable IRQ */ r = r600_irq_init(rdev); if (r) { @@ -2445,8 +2399,7 @@ int r600_startup(struct radeon_device *rdev) r = r600_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; } @@ -2505,7 +2458,7 @@ int r600_suspend(struct radeon_device *rdev) r600_cp_stop(rdev); rdev->cp.ready = false; r600_irq_suspend(rdev); - r600_wb_disable(rdev); + radeon_wb_disable(rdev); r600_pcie_gart_disable(rdev); /* unpin shaders bo */ if (rdev->r600_blit.shader_obj) { @@ -2602,8 +2555,8 @@ int r600_init(struct radeon_device *rdev) if (r) { dev_err(rdev->dev, "disabling GPU acceleration\n"); r600_cp_fini(rdev); - r600_wb_fini(rdev); r600_irq_fini(rdev); + radeon_wb_fini(rdev); radeon_irq_kms_fini(rdev); r600_pcie_gart_fini(rdev); rdev->accel_working = false; @@ -2633,8 +2586,8 @@ void r600_fini(struct radeon_device *rdev) r600_audio_fini(rdev); r600_blit_fini(rdev); r600_cp_fini(rdev); - r600_wb_fini(rdev); r600_irq_fini(rdev); + radeon_wb_fini(rdev); radeon_irq_kms_fini(rdev); r600_pcie_gart_fini(rdev); radeon_agp_fini(rdev); @@ -2969,10 +2922,13 @@ int r600_irq_init(struct radeon_device *rdev) ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE | IH_WPTR_OVERFLOW_CLEAR | (rb_bufsz << 1)); - /* WPTR writeback, not yet */ - /*ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;*/ - WREG32(IH_RB_WPTR_ADDR_LO, 0); - WREG32(IH_RB_WPTR_ADDR_HI, 0); + + if (rdev->wb.enabled) + ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE; + + /* set the writeback address whether it's enabled or not */ + WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC); + WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF); WREG32(IH_RB_CNTL, ih_rb_cntl); @@ -3230,8 +3186,10 @@ static inline u32 r600_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 |