diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/si.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 163 |
1 files changed, 140 insertions, 23 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 85e1edfaa3be..09ec4f6c53bb 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -80,6 +80,8 @@ extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev); extern bool evergreen_is_display_hung(struct radeon_device *rdev); static void si_enable_gui_idle_interrupt(struct radeon_device *rdev, bool enable); +static void si_init_pg(struct radeon_device *rdev); +static void si_init_cg(struct radeon_device *rdev); static void si_fini_pg(struct radeon_device *rdev); static void si_fini_cg(struct radeon_device *rdev); static void si_rlc_stop(struct radeon_device *rdev); @@ -1460,7 +1462,7 @@ static const u32 hainan_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = { }; /* ucode loading */ -static int si_mc_load_microcode(struct radeon_device *rdev) +int si_mc_load_microcode(struct radeon_device *rdev) { const __be32 *fw_data; u32 running, blackout = 0; @@ -3247,7 +3249,8 @@ static void si_cp_enable(struct radeon_device *rdev, bool enable) if (enable) WREG32(CP_ME_CNTL, 0); else { - radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); + if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT)); WREG32(SCRATCH_UMSK, 0); rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; @@ -3508,6 +3511,9 @@ static int si_cp_resume(struct radeon_device *rdev) si_enable_gui_idle_interrupt(rdev, true); + if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); + return 0; } @@ -3724,6 +3730,106 @@ static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) evergreen_print_gpu_status_regs(rdev); } +static void si_set_clk_bypass_mode(struct radeon_device *rdev) +{ + u32 tmp, i; + + tmp = RREG32(CG_SPLL_FUNC_CNTL); + tmp |= SPLL_BYPASS_EN; + WREG32(CG_SPLL_FUNC_CNTL, tmp); + + tmp = RREG32(CG_SPLL_FUNC_CNTL_2); + tmp |= SPLL_CTLREQ_CHG; + WREG32(CG_SPLL_FUNC_CNTL_2, tmp); + + for (i = 0; i < rdev->usec_timeout; i++) { + if (RREG32(SPLL_STATUS) & SPLL_CHG_STATUS) + break; + udelay(1); + } + + tmp = RREG32(CG_SPLL_FUNC_CNTL_2); + tmp &= ~(SPLL_CTLREQ_CHG | SCLK_MUX_UPDATE); + WREG32(CG_SPLL_FUNC_CNTL_2, tmp); + + tmp = RREG32(MPLL_CNTL_MODE); + tmp &= ~MPLL_MCLK_SEL; + WREG32(MPLL_CNTL_MODE, tmp); +} + +static void si_spll_powerdown(struct radeon_device *rdev) +{ + u32 tmp; + + tmp = RREG32(SPLL_CNTL_MODE); + tmp |= SPLL_SW_DIR_CONTROL; + WREG32(SPLL_CNTL_MODE, tmp); + + tmp = RREG32(CG_SPLL_FUNC_CNTL); + tmp |= SPLL_RESET; + WREG32(CG_SPLL_FUNC_CNTL, tmp); + + tmp = RREG32(CG_SPLL_FUNC_CNTL); + tmp |= SPLL_SLEEP; + WREG32(CG_SPLL_FUNC_CNTL, tmp); + + tmp = RREG32(SPLL_CNTL_MODE); + tmp &= ~SPLL_SW_DIR_CONTROL; + WREG32(SPLL_CNTL_MODE, tmp); +} + +static void si_gpu_pci_config_reset(struct radeon_device *rdev) +{ + struct evergreen_mc_save save; + u32 tmp, i; + + dev_info(rdev->dev, "GPU pci config reset\n"); + + /* disable dpm? */ + + /* disable cg/pg */ + si_fini_pg(rdev); + si_fini_cg(rdev); + + /* Disable CP parsing/prefetching */ + WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT); + /* dma0 */ + tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp); + /* dma1 */ + tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp); + /* XXX other engines? */ + + /* halt the rlc, disable cp internal ints */ + si_rlc_stop(rdev); + + udelay(50); + + /* disable mem access */ + evergreen_mc_stop(rdev, &save); + if (evergreen_mc_wait_for_idle(rdev)) { + dev_warn(rdev->dev, "Wait for MC idle timed out !\n"); + } + + /* set mclk/sclk to bypass */ + si_set_clk_bypass_mode(rdev); + /* powerdown spll */ + si_spll_powerdown(rdev); + /* disable BM */ + pci_clear_master(rdev->pdev); + /* reset */ + radeon_pci_config_reset(rdev); + /* wait for asic to come out of reset */ + for (i = 0; i < rdev->usec_timeout; i++) { + if (RREG32(CONFIG_MEMSIZE) != 0xffffffff) + break; + udelay(1); + } +} + int si_asic_reset(struct radeon_device *rdev) { u32 reset_mask; @@ -3733,10 +3839,17 @@ int si_asic_reset(struct radeon_device *rdev) if (reset_mask) r600_set_bios_scratch_engine_hung(rdev, true); + /* try soft reset */ si_gpu_soft_reset(rdev, reset_mask); reset_mask = si_gpu_check_soft_reset(rdev); + /* try pci config reset */ + if (reset_mask && radeon_hard_reset) + si_gpu_pci_config_reset(rdev); + + reset_mask = si_gpu_check_soft_reset(rdev); + if (!reset_mask) r600_set_bios_scratch_engine_hung(rdev, false); @@ -5212,8 +5325,8 @@ static void si_enable_hdp_ls(struct radeon_device *rdev, WREG32(HDP_MEM_POWER_LS, data); } -void si_update_cg(struct radeon_device *rdev, - u32 block, bool enable) +static void si_update_cg(struct radeon_device *rdev, + u32 block, bool enable) { if (block & RADEON_CG_BLOCK_GFX) { si_enable_gui_idle_interrupt(rdev, false); @@ -5379,6 +5492,9 @@ static void si_init_pg(struct radeon_device *rdev) si_init_ao_cu_mask(rdev); if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG) { si_init_gfx_cgpg(rdev); + } else { + WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8); + WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8); } si_enable_dma_pg(rdev, true); si_enable_gfx_cgpg(rdev, true); @@ -5566,7 +5682,7 @@ static void si_disable_interrupt_state(struct radeon_device *rdev) } if (!ASIC_IS_NODCE(rdev)) { - WREG32(DACA_AUTODETECT_INT_CONTROL, 0); + WREG32(DAC_AUTODETECT_INT_CONTROL, 0); tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; WREG32(DC_HPD1_INT_CONTROL, tmp); @@ -6324,21 +6440,14 @@ static int si_startup(struct radeon_device *rdev) si_mc_program(rdev); - if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw || - !rdev->rlc_fw || !rdev->mc_fw) { - r = si_init_microcode(rdev); + if (!rdev->pm.dpm_enabled) { + r = si_mc_load_microcode(rdev); if (r) { - DRM_ERROR("Failed to load firmware!\n"); + DRM_ERROR("Failed to load MC firmware!\n"); return r; } } - r = si_mc_load_microcode(rdev); - if (r) { - DRM_ERROR("Failed to load MC firmware!\n"); - return r; - } - r = si_pcie_gart_enable(rdev); if (r) return r; @@ -6421,37 +6530,30 @@ static int si_startup(struct radeon_device *rdev) ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, - CP_RB0_RPTR, CP_RB0_WPTR, RADEON_CP_PACKET2); if (r) return r; ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]; r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET, - CP_RB1_RPTR, CP_RB1_WPTR, RADEON_CP_PACKET2); if (r) return r; ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]; r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET, - CP_RB2_RPTR, CP_RB2_WPTR, RADEON_CP_PACKET2); if (r) return r; ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET, - DMA_RB_RPTR + DMA0_REGISTER_OFFSET, - DMA_RB_WPTR + DMA0_REGISTER_OFFSET, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0)); if (r) return r; ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]; r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET, - DMA_RB_RPTR + DMA1_REGISTER_OFFSET, - DMA_RB_WPTR + DMA1_REGISTER_OFFSET, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0)); if (r) return r; @@ -6471,7 +6573,6 @@ static int si_startup(struct radeon_device *rdev) ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX]; if (ring->ring_size) { r = radeon_ring_init(rdev, ring, ring->ring_size, 0, - UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR, RADEON_CP_PACKET2); if (!r) r = uvd_v1_0_init(rdev); @@ -6513,6 +6614,8 @@ int si_resume(struct radeon_device *rdev) /* init golden registers */ si_init_golden_registers(rdev); + radeon_pm_resume(rdev); + rdev->accel_working = true; r = si_startup(rdev); if (r) { @@ -6527,6 +6630,7 @@ int si_resume(struct radeon_device *rdev) int si_suspend(struct radeon_device *rdev) { + radeon_pm_suspend(rdev); dce6_audio_fini(rdev); radeon_vm_manager_fini(rdev); si_cp_enable(rdev, false); @@ -6600,6 +6704,18 @@ int si_init(struct radeon_device *rdev) if (r) return r; + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw || + !rdev->rlc_fw || !rdev->mc_fw) { + r = si_init_microcode(rdev); + if (r) { + DRM_ERROR("Failed to load firmware!\n"); + return r; + } + } + + /* Initialize power management */ + radeon_pm_init(rdev); + ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; ring->ring_obj = NULL; r600_ring_init(rdev, ring, 1024 * 1024); @@ -6666,6 +6782,7 @@ int si_init(struct radeon_device *rdev) void si_fini(struct radeon_device *rdev) { + radeon_pm_fini(rdev); si_cp_fini(rdev); cayman_dma_fini(rdev); si_fini_pg(rdev); |