diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 407 |
1 files changed, 278 insertions, 129 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index becb03e8b32f..0740db3fcd22 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -94,6 +94,12 @@ MODULE_FIRMWARE("radeon/SUMO_me.bin"); MODULE_FIRMWARE("radeon/SUMO2_pfp.bin"); MODULE_FIRMWARE("radeon/SUMO2_me.bin"); +static const u32 crtc_offsets[2] = +{ + 0, + AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL +}; + int r600_debugfs_mc_info_init(struct radeon_device *rdev); /* r600,rv610,rv630,rv620,rv635,rv670 */ @@ -103,6 +109,19 @@ void r600_fini(struct radeon_device *rdev); void r600_irq_disable(struct radeon_device *rdev); static void r600_pcie_gen2_enable(struct radeon_device *rdev); +/** + * r600_get_xclk - get the xclk + * + * @rdev: radeon_device pointer + * + * Returns the reference clock used by the gfx engine + * (r6xx, IGPs, APUs). + */ +u32 r600_get_xclk(struct radeon_device *rdev) +{ + return rdev->clock.spll.reference_freq; +} + /* get temperature in millidegrees */ int rv6xx_get_temp(struct radeon_device *rdev) { @@ -1254,169 +1273,307 @@ void r600_vram_scratch_fini(struct radeon_device *rdev) radeon_bo_unref(&rdev->vram_scratch.robj); } -/* We doesn't check that the GPU really needs a reset we simply do the - * reset, it's up to the caller to determine if the GPU needs one. We - * might add an helper function to check that. - */ -static void r600_gpu_soft_reset_gfx(struct radeon_device *rdev) +void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung) { - u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) | - S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) | - S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) | - S_008010_SH_BUSY(1) | S_008010_SPI03_BUSY(1) | - S_008010_SMX_BUSY(1) | S_008010_SC_BUSY(1) | - S_008010_PA_BUSY(1) | S_008010_DB03_BUSY(1) | - S_008010_CR_BUSY(1) | S_008010_CB03_BUSY(1) | - S_008010_GUI_ACTIVE(1); - u32 grbm2_busy_mask = S_008014_SPI0_BUSY(1) | S_008014_SPI1_BUSY(1) | - S_008014_SPI2_BUSY(1) | S_008014_SPI3_BUSY(1) | - S_008014_TA0_BUSY(1) | S_008014_TA1_BUSY(1) | - S_008014_TA2_BUSY(1) | S_008014_TA3_BUSY(1) | - S_008014_DB0_BUSY(1) | S_008014_DB1_BUSY(1) | - S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) | - S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) | - S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1); - u32 tmp; + u32 tmp = RREG32(R600_BIOS_3_SCRATCH); - if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) - return; + if (hung) + tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; + else + tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; + + WREG32(R600_BIOS_3_SCRATCH, tmp); +} +static void r600_print_gpu_status_regs(struct radeon_device *rdev) +{ dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n", - RREG32(R_008010_GRBM_STATUS)); + RREG32(R_008010_GRBM_STATUS)); dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n", - RREG32(R_008014_GRBM_STATUS2)); + RREG32(R_008014_GRBM_STATUS2)); dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n", - RREG32(R_000E50_SRBM_STATUS)); + RREG32(R_000E50_SRBM_STATUS)); dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", - RREG32(CP_STALLED_STAT1)); + RREG32(CP_STALLED_STAT1)); dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", - RREG32(CP_STALLED_STAT2)); + RREG32(CP_STALLED_STAT2)); dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", - RREG32(CP_BUSY_STAT)); + RREG32(CP_BUSY_STAT)); dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", - RREG32(CP_STAT)); - - /* Disable CP parsing/prefetching */ - WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); + RREG32(CP_STAT)); + dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", + RREG32(DMA_STATUS_REG)); +} - /* Check if any of the rendering block is busy and reset it */ - if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) || - (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) { - tmp = S_008020_SOFT_RESET_CR(1) | - S_008020_SOFT_RESET_DB(1) | - S_008020_SOFT_RESET_CB(1) | - S_008020_SOFT_RESET_PA(1) | - S_008020_SOFT_RESET_SC(1) | - S_008020_SOFT_RESET_SMX(1) | - S_008020_SOFT_RESET_SPI(1) | - S_008020_SOFT_RESET_SX(1) | - S_008020_SOFT_RESET_SH(1) | - S_008020_SOFT_RESET_TC(1) | - S_008020_SOFT_RESET_TA(1) | - S_008020_SOFT_RESET_VC(1) | - S_008020_SOFT_RESET_VGT(1); - dev_info(rdev->dev, " R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); - WREG32(R_008020_GRBM_SOFT_RESET, tmp); - RREG32(R_008020_GRBM_SOFT_RESET); - mdelay(15); - WREG32(R_008020_GRBM_SOFT_RESET, 0); +static bool r600_is_display_hung(struct radeon_device *rdev) +{ + u32 crtc_hung = 0; + u32 crtc_status[2]; + u32 i, j, tmp; + + for (i = 0; i < rdev->num_crtc; i++) { + if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) { + crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); + crtc_hung |= (1 << i); + } } - /* Reset CP (we always reset CP) */ - tmp = S_008020_SOFT_RESET_CP(1); - dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); - WREG32(R_008020_GRBM_SOFT_RESET, tmp); - RREG32(R_008020_GRBM_SOFT_RESET); - mdelay(15); - WREG32(R_008020_GRBM_SOFT_RESET, 0); - dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n", - RREG32(R_008010_GRBM_STATUS)); - dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n", - RREG32(R_008014_GRBM_STATUS2)); - dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n", - RREG32(R_000E50_SRBM_STATUS)); - dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", - RREG32(CP_STALLED_STAT1)); - dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", - RREG32(CP_STALLED_STAT2)); - dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", - RREG32(CP_BUSY_STAT)); - dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", - RREG32(CP_STAT)); + for (j = 0; j < 10; j++) { + for (i = 0; i < rdev->num_crtc; i++) { + if (crtc_hung & (1 << i)) { + tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); + if (tmp != crtc_status[i]) + crtc_hung &= ~(1 << i); + } + } + if (crtc_hung == 0) + return false; + udelay(100); + } + return true; } -static void r600_gpu_soft_reset_dma(struct radeon_device *rdev) +static u32 r600_gpu_check_soft_reset(struct radeon_device *rdev) { + u32 reset_mask = 0; u32 tmp; - if (RREG32(DMA_STATUS_REG) & DMA_IDLE) - return; + /* GRBM_STATUS */ + tmp = RREG32(R_008010_GRBM_STATUS); + if (rdev->family >= CHIP_RV770) { + if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | + G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | + G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | + G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | + G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) + reset_mask |= RADEON_RESET_GFX; + } else { + if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | + G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | + G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | + G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | + G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) + reset_mask |= RADEON_RESET_GFX; + } - dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", - RREG32(DMA_STATUS_REG)); + if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) | + G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp)) + reset_mask |= RADEON_RESET_CP; - /* Disable DMA */ - tmp = RREG32(DMA_RB_CNTL); - tmp &= ~DMA_RB_ENABLE; - WREG32(DMA_RB_CNTL, tmp); + if (G_008010_GRBM_EE_BUSY(tmp)) + reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP; - /* Reset dma */ - if (rdev->family >= CHIP_RV770) - WREG32(SRBM_SOFT_RESET, RV770_SOFT_RESET_DMA); - else - WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA); - RREG32(SRBM_SOFT_RESET); - udelay(50); - WREG32(SRBM_SOFT_RESET, 0); + /* DMA_STATUS_REG */ + tmp = RREG32(DMA_STATUS_REG); + if (!(tmp & DMA_IDLE)) + reset_mask |= RADEON_RESET_DMA; - dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", - RREG32(DMA_STATUS_REG)); + /* SRBM_STATUS */ + tmp = RREG32(R_000E50_SRBM_STATUS); + if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp)) + reset_mask |= RADEON_RESET_RLC; + + if (G_000E50_IH_BUSY(tmp)) + reset_mask |= RADEON_RESET_IH; + + if (G_000E50_SEM_BUSY(tmp)) + reset_mask |= RADEON_RESET_SEM; + + if (G_000E50_GRBM_RQ_PENDING(tmp)) + reset_mask |= RADEON_RESET_GRBM; + + if (G_000E50_VMC_BUSY(tmp)) + reset_mask |= RADEON_RESET_VMC; + + if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) | + G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) | + G_000E50_MCDW_BUSY(tmp)) + reset_mask |= RADEON_RESET_MC; + + if (r600_is_display_hung(rdev)) + reset_mask |= RADEON_RESET_DISPLAY; + + /* Skip MC reset as it's mostly likely not hung, just busy */ + if (reset_mask & RADEON_RESET_MC) { + DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); + reset_mask &= ~RADEON_RESET_MC; + } + + return reset_mask; } -static int r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) +static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) { struct rv515_mc_save save; - - if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) - reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE); - - if (RREG32(DMA_STATUS_REG) & DMA_IDLE) - reset_mask &= ~RADEON_RESET_DMA; + u32 grbm_soft_reset = 0, srbm_soft_reset = 0; + u32 tmp; if (reset_mask == 0) - return 0; + return; dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); + r600_print_gpu_status_regs(rdev); + + /* Disable CP parsing/prefetching */ + if (rdev->family >= CHIP_RV770) + WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1)); + else + WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); + + /* disable the RLC */ + WREG32(RLC_CNTL, 0); + + if (reset_mask & RADEON_RESET_DMA) { + /* Disable DMA */ + tmp = RREG32(DMA_RB_CNTL); + tmp &= ~DMA_RB_ENABLE; + WREG32(DMA_RB_CNTL, tmp); + } + + mdelay(50); + rv515_mc_stop(rdev, &save); if (r600_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); } - if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) - r600_gpu_soft_reset_gfx(rdev); + if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) { + if (rdev->family >= CHIP_RV770) + grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) | + S_008020_SOFT_RESET_CB(1) | + S_008020_SOFT_RESET_PA(1) | + S_008020_SOFT_RESET_SC(1) | + S_008020_SOFT_RESET_SPI(1) | + S_008020_SOFT_RESET_SX(1) | + S_008020_SOFT_RESET_SH(1) | + S_008020_SOFT_RESET_TC(1) | + S_008020_SOFT_RESET_TA(1) | + S_008020_SOFT_RESET_VC(1) | + S_008020_SOFT_RESET_VGT(1); + else + grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) | + S_008020_SOFT_RESET_DB(1) | + S_008020_SOFT_RESET_CB(1) | + S_008020_SOFT_RESET_PA(1) | + S_008020_SOFT_RESET_SC(1) | + S_008020_SOFT_RESET_SMX(1) | + S_008020_SOFT_RESET_SPI(1) | + S_008020_SOFT_RESET_SX(1) | + S_008020_SOFT_RESET_SH(1) | + S_008020_SOFT_RESET_TC(1) | + S_008020_SOFT_RESET_TA(1) | + S_008020_SOFT_RESET_VC(1) | + S_008020_SOFT_RESET_VGT(1); + } + + if (reset_mask & RADEON_RESET_CP) { + grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) | + S_008020_SOFT_RESET_VGT(1); + + srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); + } + + if (reset_mask & RADEON_RESET_DMA) { + if (rdev->family >= CHIP_RV770) + srbm_soft_reset |= RV770_SOFT_RESET_DMA; + else + srbm_soft_reset |= SOFT_RESET_DMA; + } + + if (reset_mask & RADEON_RESET_RLC) + srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1); + + if (reset_mask & RADEON_RESET_SEM) + srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1); + + if (reset_mask & RADEON_RESET_IH) + srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1); + + if (reset_mask & RADEON_RESET_GRBM) + srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); + + if (!(rdev->flags & RADEON_IS_IGP)) { + if (reset_mask & RADEON_RESET_MC) + srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1); + } + + if (reset_mask & RADEON_RESET_VMC) + srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1); + + if (grbm_soft_reset) { + tmp = RREG32(R_008020_GRBM_SOFT_RESET); + tmp |= grbm_soft_reset; + dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); + WREG32(R_008020_GRBM_SOFT_RESET, tmp); + tmp = RREG32(R_008020_GRBM_SOFT_RESET); - if (reset_mask & RADEON_RESET_DMA) - r600_gpu_soft_reset_dma(rdev); + udelay(50); + + tmp &= ~grbm_soft_reset; + WREG32(R_008020_GRBM_SOFT_RESET, tmp); + tmp = RREG32(R_008020_GRBM_SOFT_RESET); + } + + if (srbm_soft_reset) { + tmp = RREG32(SRBM_SOFT_RESET); + tmp |= srbm_soft_reset; + dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); + WREG32(SRBM_SOFT_RESET, tmp); + tmp = RREG32(SRBM_SOFT_RESET); + + udelay(50); + + tmp &= ~srbm_soft_reset; + WREG32(SRBM_SOFT_RESET, tmp); + tmp = RREG32(SRBM_SOFT_RESET); + } /* Wait a little for things to settle down */ mdelay(1); rv515_mc_resume(rdev, &save); + udelay(50); + + r600_print_gpu_status_regs(rdev); +} + +int r600_asic_reset(struct radeon_device *rdev) +{ + u32 reset_mask; + + reset_mask = r600_gpu_check_soft_reset(rdev); + + if (reset_mask) + r600_set_bios_scratch_engine_hung(rdev, true); + + r600_gpu_soft_reset(rdev, reset_mask); + + reset_mask = r600_gpu_check_soft_reset(rdev); + + if (!reset_mask) + r600_set_bios_scratch_engine_hung(rdev, false); + return 0; } -bool r600_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) +/** + * r600_gfx_is_lockup - Check if the GFX engine is locked up + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * + * Check if the GFX engine is locked up. + * Returns true if the engine appears to be locked up, false if not. + */ +bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) { - u32 srbm_status; - u32 grbm_status; - u32 grbm_status2; - - srbm_status = RREG32(R_000E50_SRBM_STATUS); - grbm_status = RREG32(R_008010_GRBM_STATUS); - grbm_status2 = RREG32(R_008014_GRBM_STATUS2); - if (!G_008010_GUI_ACTIVE(grbm_status)) { + u32 reset_mask = r600_gpu_check_soft_reset(rdev); + + if (!(reset_mask & (RADEON_RESET_GFX | + RADEON_RESET_COMPUTE | + RADEON_RESET_CP))) { radeon_ring_lockup_update(ring); return false; } @@ -1431,15 +1588,14 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) * @rdev: radeon_device pointer * @ring: radeon_ring structure holding ring information * - * Check if the async DMA engine is locked up (r6xx-evergreen). + * Check if the async DMA engine is locked up. * Returns true if the engine appears to be locked up, false if not. */ bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) { - u32 dma_status_reg; + u32 reset_mask = r600_gpu_check_soft_reset(rdev); - dma_status_reg = RREG32(DMA_STATUS_REG); - if (dma_status_reg & DMA_IDLE) { + if (!(reset_mask & RADEON_RESET_DMA)) { radeon_ring_lockup_update(ring); return false; } @@ -1448,13 +1604,6 @@ bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) return radeon_ring_test_lockup(rdev, ring); } -int r600_asic_reset(struct radeon_device *rdev) -{ - return r600_gpu_soft_reset(rdev, (RADEON_RESET_GFX | - RADEON_RESET_COMPUTE | - RADEON_RESET_DMA)); -} - u32 r6xx_remap_render_backend(struct radeon_device *rdev, u32 tiling_pipe_num, u32 max_rb_num, @@ -4318,14 +4467,14 @@ static void r600_pcie_gen2_enable(struct radeon_device *rdev) } /** - * r600_get_gpu_clock - return GPU clock counter snapshot + * r600_get_gpu_clock_counter - return GPU clock counter snapshot * * @rdev: radeon_device pointer * * Fetches a GPU clock counter snapshot (R6xx-cayman). * Returns the 64 bit clock counter snapshot. */ -uint64_t r600_get_gpu_clock(struct radeon_device *rdev) +uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev) { uint64_t clock; |