diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/cik.c | 387 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/cikd.h | 12 |
2 files changed, 253 insertions, 146 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 7aae670080d3..cbfb028ac538 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -72,9 +72,11 @@ extern int r600_ih_ring_alloc(struct radeon_device *rdev); extern void r600_ih_ring_fini(struct radeon_device *rdev); extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save); extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save); +extern bool evergreen_is_display_hung(struct radeon_device *rdev); extern void si_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc); extern void si_rlc_fini(struct radeon_device *rdev); extern int si_rlc_init(struct radeon_device *rdev); +static void cik_rlc_stop(struct radeon_device *rdev); #define BONAIRE_IO_MC_REGS_SIZE 36 @@ -2733,56 +2735,9 @@ int cik_sdma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) return r; } -/** - * cik_gpu_is_lockup - check if the 3D engine is locked up - * - * @rdev: radeon_device pointer - * @ring: radeon_ring structure holding ring information - * - * Check if the 3D engine is locked up (CIK). - * Returns true if the engine is locked, false if not. - */ -bool cik_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) -{ - u32 srbm_status, srbm_status2; - u32 grbm_status, grbm_status2; - u32 grbm_status_se0, grbm_status_se1, grbm_status_se2, grbm_status_se3; - - srbm_status = RREG32(SRBM_STATUS); - srbm_status2 = RREG32(SRBM_STATUS2); - grbm_status = RREG32(GRBM_STATUS); - grbm_status2 = RREG32(GRBM_STATUS2); - grbm_status_se0 = RREG32(GRBM_STATUS_SE0); - grbm_status_se1 = RREG32(GRBM_STATUS_SE1); - grbm_status_se2 = RREG32(GRBM_STATUS_SE2); - grbm_status_se3 = RREG32(GRBM_STATUS_SE3); - if (!(grbm_status & GUI_ACTIVE)) { - radeon_ring_lockup_update(ring); - return false; - } - /* force CP activities */ - radeon_ring_force_activity(rdev, ring); - return radeon_ring_test_lockup(rdev, ring); -} -/** - * cik_gfx_gpu_soft_reset - soft reset the 3D engine and CPG - * - * @rdev: radeon_device pointer - * - * Soft reset the GFX engine and CPG blocks (CIK). - * XXX: deal with reseting RLC and CPF - * Returns 0 for success. - */ -static int cik_gfx_gpu_soft_reset(struct radeon_device *rdev) +static void cik_print_gpu_status_regs(struct radeon_device *rdev) { - struct evergreen_mc_save save; - u32 grbm_reset = 0; - - if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) - return 0; - - dev_info(rdev->dev, "GPU GFX softreset \n"); dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", RREG32(GRBM_STATUS)); dev_info(rdev->dev, " GRBM_STATUS2=0x%08X\n", @@ -2799,132 +2754,270 @@ static int cik_gfx_gpu_soft_reset(struct radeon_device *rdev) RREG32(SRBM_STATUS)); dev_info(rdev->dev, " SRBM_STATUS2=0x%08X\n", RREG32(SRBM_STATUS2)); - evergreen_mc_stop(rdev, &save); - if (radeon_mc_wait_for_idle(rdev)) { - dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); - } - /* Disable CP parsing/prefetching */ - WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT); + dev_info(rdev->dev, " SDMA0_STATUS_REG = 0x%08X\n", + RREG32(SDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET)); + dev_info(rdev->dev, " SDMA1_STATUS_REG = 0x%08X\n", + RREG32(SDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET)); +} - /* reset all the gfx block and all CPG blocks */ - grbm_reset = SOFT_RESET_CPG | SOFT_RESET_GFX; +/** + * cik_gpu_check_soft_reset - check which blocks are busy + * + * @rdev: radeon_device pointer + * + * Check which blocks are busy and return the relevant reset + * mask to be used by cik_gpu_soft_reset(). + * Returns a mask of the blocks to be reset. + */ +static u32 cik_gpu_check_soft_reset(struct radeon_device *rdev) +{ + u32 reset_mask = 0; + u32 tmp; - dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset); - WREG32(GRBM_SOFT_RESET, grbm_reset); - (void)RREG32(GRBM_SOFT_RESET); - udelay(50); - WREG32(GRBM_SOFT_RESET, 0); - (void)RREG32(GRBM_SOFT_RESET); - /* Wait a little for things to settle down */ - udelay(50); - dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", - RREG32(GRBM_STATUS)); - dev_info(rdev->dev, " GRBM_STATUS2=0x%08X\n", - RREG32(GRBM_STATUS2)); - dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", - RREG32(GRBM_STATUS_SE0)); - dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", - RREG32(GRBM_STATUS_SE1)); - dev_info(rdev->dev, " GRBM_STATUS_SE2=0x%08X\n", - RREG32(GRBM_STATUS_SE2)); - dev_info(rdev->dev, " GRBM_STATUS_SE3=0x%08X\n", - RREG32(GRBM_STATUS_SE3)); - dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", - RREG32(SRBM_STATUS)); - dev_info(rdev->dev, " SRBM_STATUS2=0x%08X\n", - RREG32(SRBM_STATUS2)); - evergreen_mc_resume(rdev, &save); - return 0; + /* GRBM_STATUS */ + tmp = RREG32(GRBM_STATUS); + if (tmp & (PA_BUSY | SC_BUSY | + BCI_BUSY | SX_BUSY | + TA_BUSY | VGT_BUSY | + DB_BUSY | CB_BUSY | + GDS_BUSY | SPI_BUSY | + IA_BUSY | IA_BUSY_NO_DMA)) + reset_mask |= RADEON_RESET_GFX; + + if (tmp & (CP_BUSY | CP_COHERENCY_BUSY)) + reset_mask |= RADEON_RESET_CP; + + /* GRBM_STATUS2 */ + tmp = RREG32(GRBM_STATUS2); + if (tmp & RLC_BUSY) + reset_mask |= RADEON_RESET_RLC; + + /* SDMA0_STATUS_REG */ + tmp = RREG32(SDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET); + if (!(tmp & SDMA_IDLE)) + reset_mask |= RADEON_RESET_DMA; + + /* SDMA1_STATUS_REG */ + tmp = RREG32(SDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET); + if (!(tmp & SDMA_IDLE)) + reset_mask |= RADEON_RESET_DMA1; + + /* SRBM_STATUS2 */ + tmp = RREG32(SRBM_STATUS2); + if (tmp & SDMA_BUSY) + reset_mask |= RADEON_RESET_DMA; + + if (tmp & SDMA1_BUSY) + reset_mask |= RADEON_RESET_DMA1; + + /* SRBM_STATUS */ + tmp = RREG32(SRBM_STATUS); + + if (tmp & IH_BUSY) + reset_mask |= RADEON_RESET_IH; + + if (tmp & SEM_BUSY) + reset_mask |= RADEON_RESET_SEM; + + if (tmp & GRBM_RQ_PENDING) + reset_mask |= RADEON_RESET_GRBM; + + if (tmp & VMC_BUSY) + reset_mask |= RADEON_RESET_VMC; + + if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY | + MCC_BUSY | MCD_BUSY)) + reset_mask |= RADEON_RESET_MC; + + if (evergreen_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; } /** - * cik_compute_gpu_soft_reset - soft reset CPC + * cik_gpu_soft_reset - soft reset GPU * * @rdev: radeon_device pointer + * @reset_mask: mask of which blocks to reset * - * Soft reset the CPC blocks (CIK). - * XXX: deal with reseting RLC and CPF - * Returns 0 for success. + * Soft reset the blocks specified in @reset_mask. */ -static int cik_compute_gpu_soft_reset(struct radeon_device *rdev) +static void cik_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) { struct evergreen_mc_save save; - u32 grbm_reset = 0; + u32 grbm_soft_reset = 0, srbm_soft_reset = 0; + u32 tmp; + + if (reset_mask == 0) + return; + + dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); + + cik_print_gpu_status_regs(rdev); + dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", + RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR)); + dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", + RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); + + /* stop the rlc */ + cik_rlc_stop(rdev); + + /* Disable GFX parsing/prefetching */ + WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT); + + /* Disable MEC parsing/prefetching */ + WREG32(CP_MEC_CNTL, MEC_ME1_HALT | MEC_ME2_HALT); + + if (reset_mask & RADEON_RESET_DMA) { + /* sdma0 */ + tmp = RREG32(SDMA0_ME_CNTL + SDMA0_REGISTER_OFFSET); + tmp |= SDMA_HALT; + WREG32(SDMA0_ME_CNTL + SDMA0_REGISTER_OFFSET, tmp); + } + if (reset_mask & RADEON_RESET_DMA1) { + /* sdma1 */ + tmp = RREG32(SDMA0_ME_CNTL + SDMA1_REGISTER_OFFSET); + tmp |= SDMA_HALT; + WREG32(SDMA0_ME_CNTL + SDMA1_REGISTER_OFFSET, tmp); + } - dev_info(rdev->dev, "GPU compute softreset \n"); - dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", - RREG32(GRBM_STATUS)); - dev_info(rdev->dev, " GRBM_STATUS2=0x%08X\n", - RREG32(GRBM_STATUS2)); - dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", - RREG32(GRBM_STATUS_SE0)); - dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", - RREG32(GRBM_STATUS_SE1)); - dev_info(rdev->dev, " GRBM_STATUS_SE2=0x%08X\n", - RREG32(GRBM_STATUS_SE2)); - dev_info(rdev->dev, " GRBM_STATUS_SE3=0x%08X\n", - RREG32(GRBM_STATUS_SE3)); - dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", - RREG32(SRBM_STATUS)); - dev_info(rdev->dev, " SRBM_STATUS2=0x%08X\n", - RREG32(SRBM_STATUS2)); evergreen_mc_stop(rdev, &save); - if (radeon_mc_wait_for_idle(rdev)) { + if (evergreen_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); } - /* Disable CP parsing/prefetching */ - WREG32(CP_MEC_CNTL, MEC_ME1_HALT | MEC_ME2_HALT); - /* reset all the CPC blocks */ - grbm_reset = SOFT_RESET_CPG; + if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP)) + grbm_soft_reset = SOFT_RESET_CP | SOFT_RESET_GFX; + + if (reset_mask & RADEON_RESET_CP) { + grbm_soft_reset |= SOFT_RESET_CP; + + srbm_soft_reset |= SOFT_RESET_GRBM; + } + + if (reset_mask & RADEON_RESET_DMA) + srbm_soft_reset |= SOFT_RESET_SDMA; + + if (reset_mask & RADEON_RESET_DMA1) + srbm_soft_reset |= SOFT_RESET_SDMA1; + + if (reset_mask & RADEON_RESET_DISPLAY) + srbm_soft_reset |= SOFT_RESET_DC; + + if (reset_mask & RADEON_RESET_RLC) + grbm_soft_reset |= SOFT_RESET_RLC; + + if (reset_mask & RADEON_RESET_SEM) + srbm_soft_reset |= SOFT_RESET_SEM; + + if (reset_mask & RADEON_RESET_IH) + srbm_soft_reset |= SOFT_RESET_IH; + + if (reset_mask & RADEON_RESET_GRBM) + srbm_soft_reset |= SOFT_RESET_GRBM; + + if (reset_mask & RADEON_RESET_VMC) + srbm_soft_reset |= SOFT_RESET_VMC; + + if (!(rdev->flags & RADEON_IS_IGP)) { + if (reset_mask & RADEON_RESET_MC) + srbm_soft_reset |= SOFT_RESET_MC; + } + + if (grbm_soft_reset) { + tmp = RREG32(GRBM_SOFT_RESET); + tmp |= grbm_soft_reset; + dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp); + WREG32(GRBM_SOFT_RESET, tmp); + tmp = RREG32(GRBM_SOFT_RESET); + + udelay(50); + + tmp &= ~grbm_soft_reset; + WREG32(GRBM_SOFT_RESET, tmp); + tmp = RREG32(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); + } - dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset); - WREG32(GRBM_SOFT_RESET, grbm_reset); - (void)RREG32(GRBM_SOFT_RESET); - udelay(50); - WREG32(GRBM_SOFT_RESET, 0); - (void)RREG32(GRBM_SOFT_RESET); /* Wait a little for things to settle down */ udelay(50); - dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", - RREG32(GRBM_STATUS)); - dev_info(rdev->dev, " GRBM_STATUS2=0x%08X\n", - RREG32(GRBM_STATUS2)); - dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", - RREG32(GRBM_STATUS_SE0)); - dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", - RREG32(GRBM_STATUS_SE1)); - dev_info(rdev->dev, " GRBM_STATUS_SE2=0x%08X\n", - RREG32(GRBM_STATUS_SE2)); - dev_info(rdev->dev, " GRBM_STATUS_SE3=0x%08X\n", - RREG32(GRBM_STATUS_SE3)); - dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", - RREG32(SRBM_STATUS)); - dev_info(rdev->dev, " SRBM_STATUS2=0x%08X\n", - RREG32(SRBM_STATUS2)); + evergreen_mc_resume(rdev, &save); - return 0; + udelay(50); + + cik_print_gpu_status_regs(rdev); } /** - * cik_asic_reset - soft reset compute and gfx + * cik_asic_reset - soft reset GPU * * @rdev: radeon_device pointer * - * Soft reset the CPC blocks (CIK). - * XXX: make this more fine grained and only reset - * what is necessary. + * Look up which blocks are hung and attempt + * to reset them. * Returns 0 for success. */ int cik_asic_reset(struct radeon_device *rdev) { - int r; + u32 reset_mask; - r = cik_compute_gpu_soft_reset(rdev); - if (r) - dev_info(rdev->dev, "Compute reset failed!\n"); + reset_mask = cik_gpu_check_soft_reset(rdev); + + if (reset_mask) + r600_set_bios_scratch_engine_hung(rdev, true); + + cik_gpu_soft_reset(rdev, reset_mask); - return cik_gfx_gpu_soft_reset(rdev); + reset_mask = cik_gpu_check_soft_reset(rdev); + + if (!reset_mask) + r600_set_bios_scratch_engine_hung(rdev, false); + + return 0; +} + +/** + * cik_gfx_is_lockup - check if the 3D engine is locked up + * + * @rdev: radeon_device pointer + * @ring: radeon_ring structure holding ring information + * + * Check if the 3D engine is locked up (CIK). + * Returns true if the engine is locked, false if not. + */ +bool cik_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) +{ + u32 reset_mask = cik_gpu_check_soft_reset(rdev); + + if (!(reset_mask & (RADEON_RESET_GFX | + RADEON_RESET_COMPUTE | + RADEON_RESET_CP))) { + radeon_ring_lockup_update(ring); + return false; + } + /* force CP activities */ + radeon_ring_force_activity(rdev, ring); + return radeon_ring_test_lockup(rdev, ring); } /** @@ -2938,13 +3031,15 @@ int cik_asic_reset(struct radeon_device *rdev) */ bool cik_sdma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) { - u32 dma_status_reg; + u32 reset_mask = cik_gpu_check_soft_reset(rdev); + u32 mask; if (ring->idx == R600_RING_TYPE_DMA_INDEX) - dma_status_reg = RREG32(SDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET); + mask = RADEON_RESET_DMA; else - dma_status_reg = RREG32(SDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET); - if (dma_status_reg & SDMA_IDLE) { + mask = RADEON_RESET_DMA1; + + if (!(reset_mask & mask)) { radeon_ring_lockup_update(ring); return false; } diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h index daa51ac8522b..8afb334ed291 100644 --- a/drivers/gpu/drm/radeon/cikd.h +++ b/drivers/gpu/drm/radeon/cikd.h @@ -40,7 +40,19 @@ #define QUEUEID(x) ((x) << 8) #define SRBM_STATUS2 0xE4C +#define SDMA_BUSY (1 << 5) +#define SDMA1_BUSY (1 << 6) #define SRBM_STATUS 0xE50 +#define UVD_RQ_PENDING (1 << 1) +#define GRBM_RQ_PENDING (1 << 5) +#define VMC_BUSY (1 << 8) +#define MCB_BUSY (1 << 9) +#define MCB_NON_DISPLAY_BUSY (1 << 10) +#define MCC_BUSY (1 << 11) +#define MCD_BUSY (1 << 12) +#define SEM_BUSY (1 << 14) +#define IH_BUSY (1 << 17) +#define UVD_BUSY (1 << 19) #define SRBM_SOFT_RESET 0xE60 #define SOFT_RESET_BIF (1 << 1) |
