819 lines
26 KiB
C
819 lines
26 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2017-2018 The Linux Foundation. All rights reserved. */
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#include "msm_gem.h"
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#include "msm_mmu.h"
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#include "a6xx_gpu.h"
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#include "a6xx_gmu.xml.h"
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static inline bool _a6xx_check_idle(struct msm_gpu *gpu)
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{
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struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
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struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
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/* Check that the GMU is idle */
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if (!a6xx_gmu_isidle(&a6xx_gpu->gmu))
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return false;
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/* Check tha the CX master is idle */
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if (gpu_read(gpu, REG_A6XX_RBBM_STATUS) &
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~A6XX_RBBM_STATUS_CP_AHB_BUSY_CX_MASTER)
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return false;
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return !(gpu_read(gpu, REG_A6XX_RBBM_INT_0_STATUS) &
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A6XX_RBBM_INT_0_MASK_RBBM_HANG_DETECT);
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}
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bool a6xx_idle(struct msm_gpu *gpu, struct msm_ringbuffer *ring)
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{
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/* wait for CP to drain ringbuffer: */
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if (!adreno_idle(gpu, ring))
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return false;
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if (spin_until(_a6xx_check_idle(gpu))) {
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DRM_ERROR("%s: %ps: timeout waiting for GPU to idle: status %8.8X irq %8.8X rptr/wptr %d/%d\n",
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gpu->name, __builtin_return_address(0),
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gpu_read(gpu, REG_A6XX_RBBM_STATUS),
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gpu_read(gpu, REG_A6XX_RBBM_INT_0_STATUS),
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gpu_read(gpu, REG_A6XX_CP_RB_RPTR),
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gpu_read(gpu, REG_A6XX_CP_RB_WPTR));
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return false;
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}
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return true;
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}
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static void a6xx_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring)
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{
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uint32_t wptr;
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unsigned long flags;
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spin_lock_irqsave(&ring->lock, flags);
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/* Copy the shadow to the actual register */
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ring->cur = ring->next;
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/* Make sure to wrap wptr if we need to */
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wptr = get_wptr(ring);
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spin_unlock_irqrestore(&ring->lock, flags);
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/* Make sure everything is posted before making a decision */
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mb();
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gpu_write(gpu, REG_A6XX_CP_RB_WPTR, wptr);
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}
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static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
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struct msm_file_private *ctx)
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{
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struct msm_drm_private *priv = gpu->dev->dev_private;
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struct msm_ringbuffer *ring = submit->ring;
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unsigned int i;
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/* Invalidate CCU depth and color */
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OUT_PKT7(ring, CP_EVENT_WRITE, 1);
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OUT_RING(ring, PC_CCU_INVALIDATE_DEPTH);
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OUT_PKT7(ring, CP_EVENT_WRITE, 1);
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OUT_RING(ring, PC_CCU_INVALIDATE_COLOR);
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/* Submit the commands */
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for (i = 0; i < submit->nr_cmds; i++) {
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switch (submit->cmd[i].type) {
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case MSM_SUBMIT_CMD_IB_TARGET_BUF:
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break;
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case MSM_SUBMIT_CMD_CTX_RESTORE_BUF:
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if (priv->lastctx == ctx)
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break;
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case MSM_SUBMIT_CMD_BUF:
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OUT_PKT7(ring, CP_INDIRECT_BUFFER_PFE, 3);
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OUT_RING(ring, lower_32_bits(submit->cmd[i].iova));
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OUT_RING(ring, upper_32_bits(submit->cmd[i].iova));
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OUT_RING(ring, submit->cmd[i].size);
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break;
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}
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}
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/* Write the fence to the scratch register */
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OUT_PKT4(ring, REG_A6XX_CP_SCRATCH_REG(2), 1);
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OUT_RING(ring, submit->seqno);
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/*
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* Execute a CACHE_FLUSH_TS event. This will ensure that the
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* timestamp is written to the memory and then triggers the interrupt
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*/
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OUT_PKT7(ring, CP_EVENT_WRITE, 4);
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OUT_RING(ring, CACHE_FLUSH_TS | (1 << 31));
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OUT_RING(ring, lower_32_bits(rbmemptr(ring, fence)));
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OUT_RING(ring, upper_32_bits(rbmemptr(ring, fence)));
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OUT_RING(ring, submit->seqno);
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a6xx_flush(gpu, ring);
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}
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static const struct {
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u32 offset;
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u32 value;
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} a6xx_hwcg[] = {
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{REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL_SP1, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL_SP2, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL_SP3, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL2_SP0, 0x02022220},
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{REG_A6XX_RBBM_CLOCK_CNTL2_SP1, 0x02022220},
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{REG_A6XX_RBBM_CLOCK_CNTL2_SP2, 0x02022220},
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{REG_A6XX_RBBM_CLOCK_CNTL2_SP3, 0x02022220},
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{REG_A6XX_RBBM_CLOCK_DELAY_SP0, 0x00000080},
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{REG_A6XX_RBBM_CLOCK_DELAY_SP1, 0x00000080},
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{REG_A6XX_RBBM_CLOCK_DELAY_SP2, 0x00000080},
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{REG_A6XX_RBBM_CLOCK_DELAY_SP3, 0x00000080},
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{REG_A6XX_RBBM_CLOCK_HYST_SP0, 0x0000f3cf},
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{REG_A6XX_RBBM_CLOCK_HYST_SP1, 0x0000f3cf},
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{REG_A6XX_RBBM_CLOCK_HYST_SP2, 0x0000f3cf},
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{REG_A6XX_RBBM_CLOCK_HYST_SP3, 0x0000f3cf},
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{REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x02222222},
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{REG_A6XX_RBBM_CLOCK_CNTL_TP1, 0x02222222},
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{REG_A6XX_RBBM_CLOCK_CNTL_TP2, 0x02222222},
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{REG_A6XX_RBBM_CLOCK_CNTL_TP3, 0x02222222},
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{REG_A6XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL2_TP1, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL2_TP2, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL2_TP3, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL3_TP0, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL3_TP1, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL3_TP2, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL3_TP3, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL4_TP0, 0x00022222},
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{REG_A6XX_RBBM_CLOCK_CNTL4_TP1, 0x00022222},
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{REG_A6XX_RBBM_CLOCK_CNTL4_TP2, 0x00022222},
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{REG_A6XX_RBBM_CLOCK_CNTL4_TP3, 0x00022222},
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{REG_A6XX_RBBM_CLOCK_HYST_TP0, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST_TP1, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST_TP2, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST_TP3, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST2_TP0, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST2_TP1, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST2_TP2, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST2_TP3, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST3_TP0, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST3_TP1, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST3_TP2, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST3_TP3, 0x77777777},
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{REG_A6XX_RBBM_CLOCK_HYST4_TP0, 0x00077777},
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{REG_A6XX_RBBM_CLOCK_HYST4_TP1, 0x00077777},
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{REG_A6XX_RBBM_CLOCK_HYST4_TP2, 0x00077777},
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{REG_A6XX_RBBM_CLOCK_HYST4_TP3, 0x00077777},
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{REG_A6XX_RBBM_CLOCK_DELAY_TP0, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY_TP1, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY_TP2, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY_TP3, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY2_TP1, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY2_TP2, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY2_TP3, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY3_TP0, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY3_TP1, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY3_TP2, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY3_TP3, 0x11111111},
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{REG_A6XX_RBBM_CLOCK_DELAY4_TP0, 0x00011111},
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{REG_A6XX_RBBM_CLOCK_DELAY4_TP1, 0x00011111},
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{REG_A6XX_RBBM_CLOCK_DELAY4_TP2, 0x00011111},
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{REG_A6XX_RBBM_CLOCK_DELAY4_TP3, 0x00011111},
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{REG_A6XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL2_UCHE, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL3_UCHE, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL4_UCHE, 0x00222222},
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{REG_A6XX_RBBM_CLOCK_HYST_UCHE, 0x00000004},
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{REG_A6XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002},
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{REG_A6XX_RBBM_CLOCK_CNTL_RB0, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL_RB1, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL_RB2, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL_RB3, 0x22222222},
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{REG_A6XX_RBBM_CLOCK_CNTL2_RB0, 0x00002222},
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{REG_A6XX_RBBM_CLOCK_CNTL2_RB1, 0x00002222},
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{REG_A6XX_RBBM_CLOCK_CNTL2_RB2, 0x00002222},
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{REG_A6XX_RBBM_CLOCK_CNTL2_RB3, 0x00002222},
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{REG_A6XX_RBBM_CLOCK_CNTL_CCU0, 0x00002220},
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{REG_A6XX_RBBM_CLOCK_CNTL_CCU1, 0x00002220},
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{REG_A6XX_RBBM_CLOCK_CNTL_CCU2, 0x00002220},
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{REG_A6XX_RBBM_CLOCK_CNTL_CCU3, 0x00002220},
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{REG_A6XX_RBBM_CLOCK_HYST_RB_CCU0, 0x00040f00},
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{REG_A6XX_RBBM_CLOCK_HYST_RB_CCU1, 0x00040f00},
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{REG_A6XX_RBBM_CLOCK_HYST_RB_CCU2, 0x00040f00},
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{REG_A6XX_RBBM_CLOCK_HYST_RB_CCU3, 0x00040f00},
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{REG_A6XX_RBBM_CLOCK_CNTL_RAC, 0x05022022},
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{REG_A6XX_RBBM_CLOCK_CNTL2_RAC, 0x00005555},
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{REG_A6XX_RBBM_CLOCK_DELAY_RAC, 0x00000011},
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{REG_A6XX_RBBM_CLOCK_HYST_RAC, 0x00445044},
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{REG_A6XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222},
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{REG_A6XX_RBBM_CLOCK_MODE_GPC, 0x00222222},
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{REG_A6XX_RBBM_CLOCK_MODE_VFD, 0x00002222},
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{REG_A6XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000},
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{REG_A6XX_RBBM_CLOCK_HYST_GPC, 0x04104004},
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{REG_A6XX_RBBM_CLOCK_HYST_VFD, 0x00000000},
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{REG_A6XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000},
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{REG_A6XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000},
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{REG_A6XX_RBBM_CLOCK_DELAY_GPC, 0x00000200},
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{REG_A6XX_RBBM_CLOCK_DELAY_VFD, 0x00002222},
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{REG_A6XX_RBBM_CLOCK_DELAY_HLSQ_2, 0x00000002},
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{REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222},
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{REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222},
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{REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111},
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{REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555}
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};
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static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state)
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{
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struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
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struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
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struct a6xx_gmu *gmu = &a6xx_gpu->gmu;
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unsigned int i;
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u32 val;
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val = gpu_read(gpu, REG_A6XX_RBBM_CLOCK_CNTL);
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/* Don't re-program the registers if they are already correct */
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if ((!state && !val) || (state && (val == 0x8aa8aa02)))
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return;
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/* Disable SP clock before programming HWCG registers */
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gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 1, 0);
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for (i = 0; i < ARRAY_SIZE(a6xx_hwcg); i++)
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gpu_write(gpu, a6xx_hwcg[i].offset,
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state ? a6xx_hwcg[i].value : 0);
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/* Enable SP clock */
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gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 0, 1);
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gpu_write(gpu, REG_A6XX_RBBM_CLOCK_CNTL, state ? 0x8aa8aa02 : 0);
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}
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static int a6xx_cp_init(struct msm_gpu *gpu)
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{
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struct msm_ringbuffer *ring = gpu->rb[0];
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OUT_PKT7(ring, CP_ME_INIT, 8);
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OUT_RING(ring, 0x0000002f);
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/* Enable multiple hardware contexts */
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OUT_RING(ring, 0x00000003);
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/* Enable error detection */
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OUT_RING(ring, 0x20000000);
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/* Don't enable header dump */
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OUT_RING(ring, 0x00000000);
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OUT_RING(ring, 0x00000000);
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/* No workarounds enabled */
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OUT_RING(ring, 0x00000000);
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/* Pad rest of the cmds with 0's */
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OUT_RING(ring, 0x00000000);
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OUT_RING(ring, 0x00000000);
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a6xx_flush(gpu, ring);
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return a6xx_idle(gpu, ring) ? 0 : -EINVAL;
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}
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static int a6xx_ucode_init(struct msm_gpu *gpu)
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{
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struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
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struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
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if (!a6xx_gpu->sqe_bo) {
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a6xx_gpu->sqe_bo = adreno_fw_create_bo(gpu,
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adreno_gpu->fw[ADRENO_FW_SQE], &a6xx_gpu->sqe_iova);
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if (IS_ERR(a6xx_gpu->sqe_bo)) {
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int ret = PTR_ERR(a6xx_gpu->sqe_bo);
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a6xx_gpu->sqe_bo = NULL;
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DRM_DEV_ERROR(&gpu->pdev->dev,
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"Could not allocate SQE ucode: %d\n", ret);
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return ret;
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}
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}
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gpu_write64(gpu, REG_A6XX_CP_SQE_INSTR_BASE_LO,
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REG_A6XX_CP_SQE_INSTR_BASE_HI, a6xx_gpu->sqe_iova);
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return 0;
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}
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#define A6XX_INT_MASK (A6XX_RBBM_INT_0_MASK_CP_AHB_ERROR | \
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A6XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNCFIFO_OVERFLOW | \
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A6XX_RBBM_INT_0_MASK_CP_HW_ERROR | \
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A6XX_RBBM_INT_0_MASK_CP_IB2 | \
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A6XX_RBBM_INT_0_MASK_CP_IB1 | \
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A6XX_RBBM_INT_0_MASK_CP_RB | \
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A6XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS | \
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A6XX_RBBM_INT_0_MASK_RBBM_ATB_BUS_OVERFLOW | \
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A6XX_RBBM_INT_0_MASK_RBBM_HANG_DETECT | \
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A6XX_RBBM_INT_0_MASK_UCHE_OOB_ACCESS | \
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A6XX_RBBM_INT_0_MASK_UCHE_TRAP_INTR)
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static int a6xx_hw_init(struct msm_gpu *gpu)
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{
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struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
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struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
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int ret;
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/* Make sure the GMU keeps the GPU on while we set it up */
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a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET);
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gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_CNTL, 0);
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/*
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* Disable the trusted memory range - we don't actually supported secure
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* memory rendering at this point in time and we don't want to block off
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* part of the virtual memory space.
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*/
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gpu_write64(gpu, REG_A6XX_RBBM_SECVID_TSB_TRUSTED_BASE_LO,
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REG_A6XX_RBBM_SECVID_TSB_TRUSTED_BASE_HI, 0x00000000);
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gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_TRUSTED_SIZE, 0x00000000);
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/* enable hardware clockgating */
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a6xx_set_hwcg(gpu, true);
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/* VBIF start */
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gpu_write(gpu, REG_A6XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000009);
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gpu_write(gpu, REG_A6XX_RBBM_VBIF_CLIENT_QOS_CNTL, 0x3);
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/* Make all blocks contribute to the GPU BUSY perf counter */
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gpu_write(gpu, REG_A6XX_RBBM_PERFCTR_GPU_BUSY_MASKED, 0xffffffff);
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/* Disable L2 bypass in the UCHE */
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gpu_write(gpu, REG_A6XX_UCHE_WRITE_RANGE_MAX_LO, 0xffffffc0);
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gpu_write(gpu, REG_A6XX_UCHE_WRITE_RANGE_MAX_HI, 0x0001ffff);
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gpu_write(gpu, REG_A6XX_UCHE_TRAP_BASE_LO, 0xfffff000);
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gpu_write(gpu, REG_A6XX_UCHE_TRAP_BASE_HI, 0x0001ffff);
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gpu_write(gpu, REG_A6XX_UCHE_WRITE_THRU_BASE_LO, 0xfffff000);
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gpu_write(gpu, REG_A6XX_UCHE_WRITE_THRU_BASE_HI, 0x0001ffff);
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/* Set the GMEM VA range [0x100000:0x100000 + gpu->gmem - 1] */
|
|
gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MIN_LO,
|
|
REG_A6XX_UCHE_GMEM_RANGE_MIN_HI, 0x00100000);
|
|
|
|
gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MAX_LO,
|
|
REG_A6XX_UCHE_GMEM_RANGE_MAX_HI,
|
|
0x00100000 + adreno_gpu->gmem - 1);
|
|
|
|
gpu_write(gpu, REG_A6XX_UCHE_FILTER_CNTL, 0x804);
|
|
gpu_write(gpu, REG_A6XX_UCHE_CACHE_WAYS, 0x4);
|
|
|
|
gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x010000c0);
|
|
gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x8040362c);
|
|
|
|
/* Setting the mem pool size */
|
|
gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 128);
|
|
|
|
/* Setting the primFifo thresholds default values */
|
|
gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, (0x300 << 11));
|
|
|
|
/* Set the AHB default slave response to "ERROR" */
|
|
gpu_write(gpu, REG_A6XX_CP_AHB_CNTL, 0x1);
|
|
|
|
/* Turn on performance counters */
|
|
gpu_write(gpu, REG_A6XX_RBBM_PERFCTR_CNTL, 0x1);
|
|
|
|
/* Select CP0 to always count cycles */
|
|
gpu_write(gpu, REG_A6XX_CP_PERFCTR_CP_SEL_0, PERF_CP_ALWAYS_COUNT);
|
|
|
|
/* FIXME: not sure if this should live here or in a6xx_gmu.c */
|
|
gmu_write(&a6xx_gpu->gmu, REG_A6XX_GPU_GMU_AO_GPU_CX_BUSY_MASK,
|
|
0xff000000);
|
|
gmu_rmw(&a6xx_gpu->gmu, REG_A6XX_GMU_CX_GMU_POWER_COUNTER_SELECT_0,
|
|
0xff, 0x20);
|
|
gmu_write(&a6xx_gpu->gmu, REG_A6XX_GMU_CX_GMU_POWER_COUNTER_ENABLE,
|
|
0x01);
|
|
|
|
gpu_write(gpu, REG_A6XX_RB_NC_MODE_CNTL, 2 << 1);
|
|
gpu_write(gpu, REG_A6XX_TPL1_NC_MODE_CNTL, 2 << 1);
|
|
gpu_write(gpu, REG_A6XX_SP_NC_MODE_CNTL, 2 << 1);
|
|
gpu_write(gpu, REG_A6XX_UCHE_MODE_CNTL, 2 << 21);
|
|
|
|
/* Enable fault detection */
|
|
gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL,
|
|
(1 << 30) | 0x1fffff);
|
|
|
|
gpu_write(gpu, REG_A6XX_UCHE_CLIENT_PF, 1);
|
|
|
|
/* Protect registers from the CP */
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL, 0x00000003);
|
|
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(0),
|
|
A6XX_PROTECT_RDONLY(0x600, 0x51));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(1), A6XX_PROTECT_RW(0xae50, 0x2));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(2), A6XX_PROTECT_RW(0x9624, 0x13));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(3), A6XX_PROTECT_RW(0x8630, 0x8));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(4), A6XX_PROTECT_RW(0x9e70, 0x1));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(5), A6XX_PROTECT_RW(0x9e78, 0x187));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(6), A6XX_PROTECT_RW(0xf000, 0x810));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(7),
|
|
A6XX_PROTECT_RDONLY(0xfc00, 0x3));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(8), A6XX_PROTECT_RW(0x50e, 0x0));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(9), A6XX_PROTECT_RDONLY(0x50f, 0x0));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(10), A6XX_PROTECT_RW(0x510, 0x0));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(11),
|
|
A6XX_PROTECT_RDONLY(0x0, 0x4f9));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(12),
|
|
A6XX_PROTECT_RDONLY(0x501, 0xa));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(13),
|
|
A6XX_PROTECT_RDONLY(0x511, 0x44));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(14), A6XX_PROTECT_RW(0xe00, 0xe));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(15), A6XX_PROTECT_RW(0x8e00, 0x0));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(16), A6XX_PROTECT_RW(0x8e50, 0xf));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(17), A6XX_PROTECT_RW(0xbe02, 0x0));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(18),
|
|
A6XX_PROTECT_RW(0xbe20, 0x11f3));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(19), A6XX_PROTECT_RW(0x800, 0x82));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(20), A6XX_PROTECT_RW(0x8a0, 0x8));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(21), A6XX_PROTECT_RW(0x8ab, 0x19));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(22), A6XX_PROTECT_RW(0x900, 0x4d));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(23), A6XX_PROTECT_RW(0x98d, 0x76));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(24),
|
|
A6XX_PROTECT_RDONLY(0x8d0, 0x23));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(25),
|
|
A6XX_PROTECT_RDONLY(0x980, 0x4));
|
|
gpu_write(gpu, REG_A6XX_CP_PROTECT(26), A6XX_PROTECT_RW(0xa630, 0x0));
|
|
|
|
/* Enable interrupts */
|
|
gpu_write(gpu, REG_A6XX_RBBM_INT_0_MASK, A6XX_INT_MASK);
|
|
|
|
ret = adreno_hw_init(gpu);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = a6xx_ucode_init(gpu);
|
|
if (ret)
|
|
goto out;
|
|
|
|
/* Always come up on rb 0 */
|
|
a6xx_gpu->cur_ring = gpu->rb[0];
|
|
|
|
/* Enable the SQE_to start the CP engine */
|
|
gpu_write(gpu, REG_A6XX_CP_SQE_CNTL, 1);
|
|
|
|
ret = a6xx_cp_init(gpu);
|
|
if (ret)
|
|
goto out;
|
|
|
|
gpu_write(gpu, REG_A6XX_RBBM_SECVID_TRUST_CNTL, 0x0);
|
|
|
|
out:
|
|
/*
|
|
* Tell the GMU that we are done touching the GPU and it can start power
|
|
* management
|
|
*/
|
|
a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET);
|
|
|
|
/* Take the GMU out of its special boot mode */
|
|
a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_BOOT_SLUMBER);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void a6xx_dump(struct msm_gpu *gpu)
|
|
{
|
|
dev_info(&gpu->pdev->dev, "status: %08x\n",
|
|
gpu_read(gpu, REG_A6XX_RBBM_STATUS));
|
|
adreno_dump(gpu);
|
|
}
|
|
|
|
#define VBIF_RESET_ACK_TIMEOUT 100
|
|
#define VBIF_RESET_ACK_MASK 0x00f0
|
|
|
|
static void a6xx_recover(struct msm_gpu *gpu)
|
|
{
|
|
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
|
|
struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
|
|
int i;
|
|
|
|
adreno_dump_info(gpu);
|
|
|
|
for (i = 0; i < 8; i++)
|
|
dev_info(&gpu->pdev->dev, "CP_SCRATCH_REG%d: %u\n", i,
|
|
gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(i)));
|
|
|
|
if (hang_debug)
|
|
a6xx_dump(gpu);
|
|
|
|
/*
|
|
* Turn off keep alive that might have been enabled by the hang
|
|
* interrupt
|
|
*/
|
|
gmu_write(&a6xx_gpu->gmu, REG_A6XX_GMU_GMU_PWR_COL_KEEPALIVE, 0);
|
|
|
|
gpu->funcs->pm_suspend(gpu);
|
|
gpu->funcs->pm_resume(gpu);
|
|
|
|
msm_gpu_hw_init(gpu);
|
|
}
|
|
|
|
static int a6xx_fault_handler(void *arg, unsigned long iova, int flags)
|
|
{
|
|
struct msm_gpu *gpu = arg;
|
|
|
|
pr_warn_ratelimited("*** gpu fault: iova=%08lx, flags=%d (%u,%u,%u,%u)\n",
|
|
iova, flags,
|
|
gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(4)),
|
|
gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(5)),
|
|
gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(6)),
|
|
gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(7)));
|
|
|
|
return -EFAULT;
|
|
}
|
|
|
|
static void a6xx_cp_hw_err_irq(struct msm_gpu *gpu)
|
|
{
|
|
u32 status = gpu_read(gpu, REG_A6XX_CP_INTERRUPT_STATUS);
|
|
|
|
if (status & A6XX_CP_INT_CP_OPCODE_ERROR) {
|
|
u32 val;
|
|
|
|
gpu_write(gpu, REG_A6XX_CP_SQE_STAT_ADDR, 1);
|
|
val = gpu_read(gpu, REG_A6XX_CP_SQE_STAT_DATA);
|
|
dev_err_ratelimited(&gpu->pdev->dev,
|
|
"CP | opcode error | possible opcode=0x%8.8X\n",
|
|
val);
|
|
}
|
|
|
|
if (status & A6XX_CP_INT_CP_UCODE_ERROR)
|
|
dev_err_ratelimited(&gpu->pdev->dev,
|
|
"CP ucode error interrupt\n");
|
|
|
|
if (status & A6XX_CP_INT_CP_HW_FAULT_ERROR)
|
|
dev_err_ratelimited(&gpu->pdev->dev, "CP | HW fault | status=0x%8.8X\n",
|
|
gpu_read(gpu, REG_A6XX_CP_HW_FAULT));
|
|
|
|
if (status & A6XX_CP_INT_CP_REGISTER_PROTECTION_ERROR) {
|
|
u32 val = gpu_read(gpu, REG_A6XX_CP_PROTECT_STATUS);
|
|
|
|
dev_err_ratelimited(&gpu->pdev->dev,
|
|
"CP | protected mode error | %s | addr=0x%8.8X | status=0x%8.8X\n",
|
|
val & (1 << 20) ? "READ" : "WRITE",
|
|
(val & 0x3ffff), val);
|
|
}
|
|
|
|
if (status & A6XX_CP_INT_CP_AHB_ERROR)
|
|
dev_err_ratelimited(&gpu->pdev->dev, "CP AHB error interrupt\n");
|
|
|
|
if (status & A6XX_CP_INT_CP_VSD_PARITY_ERROR)
|
|
dev_err_ratelimited(&gpu->pdev->dev, "CP VSD decoder parity error\n");
|
|
|
|
if (status & A6XX_CP_INT_CP_ILLEGAL_INSTR_ERROR)
|
|
dev_err_ratelimited(&gpu->pdev->dev, "CP illegal instruction error\n");
|
|
|
|
}
|
|
|
|
static void a6xx_fault_detect_irq(struct msm_gpu *gpu)
|
|
{
|
|
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
|
|
struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
|
|
struct drm_device *dev = gpu->dev;
|
|
struct msm_drm_private *priv = dev->dev_private;
|
|
struct msm_ringbuffer *ring = gpu->funcs->active_ring(gpu);
|
|
|
|
/*
|
|
* Force the GPU to stay on until after we finish
|
|
* collecting information
|
|
*/
|
|
gmu_write(&a6xx_gpu->gmu, REG_A6XX_GMU_GMU_PWR_COL_KEEPALIVE, 1);
|
|
|
|
DRM_DEV_ERROR(&gpu->pdev->dev,
|
|
"gpu fault ring %d fence %x status %8.8X rb %4.4x/%4.4x ib1 %16.16llX/%4.4x ib2 %16.16llX/%4.4x\n",
|
|
ring ? ring->id : -1, ring ? ring->seqno : 0,
|
|
gpu_read(gpu, REG_A6XX_RBBM_STATUS),
|
|
gpu_read(gpu, REG_A6XX_CP_RB_RPTR),
|
|
gpu_read(gpu, REG_A6XX_CP_RB_WPTR),
|
|
gpu_read64(gpu, REG_A6XX_CP_IB1_BASE, REG_A6XX_CP_IB1_BASE_HI),
|
|
gpu_read(gpu, REG_A6XX_CP_IB1_REM_SIZE),
|
|
gpu_read64(gpu, REG_A6XX_CP_IB2_BASE, REG_A6XX_CP_IB2_BASE_HI),
|
|
gpu_read(gpu, REG_A6XX_CP_IB2_REM_SIZE));
|
|
|
|
/* Turn off the hangcheck timer to keep it from bothering us */
|
|
del_timer(&gpu->hangcheck_timer);
|
|
|
|
queue_work(priv->wq, &gpu->recover_work);
|
|
}
|
|
|
|
static irqreturn_t a6xx_irq(struct msm_gpu *gpu)
|
|
{
|
|
u32 status = gpu_read(gpu, REG_A6XX_RBBM_INT_0_STATUS);
|
|
|
|
gpu_write(gpu, REG_A6XX_RBBM_INT_CLEAR_CMD, status);
|
|
|
|
if (status & A6XX_RBBM_INT_0_MASK_RBBM_HANG_DETECT)
|
|
a6xx_fault_detect_irq(gpu);
|
|
|
|
if (status & A6XX_RBBM_INT_0_MASK_CP_AHB_ERROR)
|
|
dev_err_ratelimited(&gpu->pdev->dev, "CP | AHB bus error\n");
|
|
|
|
if (status & A6XX_RBBM_INT_0_MASK_CP_HW_ERROR)
|
|
a6xx_cp_hw_err_irq(gpu);
|
|
|
|
if (status & A6XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNCFIFO_OVERFLOW)
|
|
dev_err_ratelimited(&gpu->pdev->dev, "RBBM | ATB ASYNC overflow\n");
|
|
|
|
if (status & A6XX_RBBM_INT_0_MASK_RBBM_ATB_BUS_OVERFLOW)
|
|
dev_err_ratelimited(&gpu->pdev->dev, "RBBM | ATB bus overflow\n");
|
|
|
|
if (status & A6XX_RBBM_INT_0_MASK_UCHE_OOB_ACCESS)
|
|
dev_err_ratelimited(&gpu->pdev->dev, "UCHE | Out of bounds access\n");
|
|
|
|
if (status & A6XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS)
|
|
msm_gpu_retire(gpu);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static const u32 a6xx_register_offsets[REG_ADRENO_REGISTER_MAX] = {
|
|
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE, REG_A6XX_CP_RB_BASE),
|
|
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE_HI, REG_A6XX_CP_RB_BASE_HI),
|
|
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR,
|
|
REG_A6XX_CP_RB_RPTR_ADDR_LO),
|
|
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR_HI,
|
|
REG_A6XX_CP_RB_RPTR_ADDR_HI),
|
|
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR, REG_A6XX_CP_RB_RPTR),
|
|
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_WPTR, REG_A6XX_CP_RB_WPTR),
|
|
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_A6XX_CP_RB_CNTL),
|
|
};
|
|
|
|
static const u32 a6xx_registers[] = {
|
|
0x0000, 0x0002, 0x0010, 0x0010, 0x0012, 0x0012, 0x0018, 0x001b,
|
|
0x001e, 0x0032, 0x0038, 0x003c, 0x0042, 0x0042, 0x0044, 0x0044,
|
|
0x0047, 0x0047, 0x0056, 0x0056, 0x00ad, 0x00ae, 0x00b0, 0x00fb,
|
|
0x0100, 0x011d, 0x0200, 0x020d, 0x0210, 0x0213, 0x0218, 0x023d,
|
|
0x0400, 0x04f9, 0x0500, 0x0500, 0x0505, 0x050b, 0x050e, 0x0511,
|
|
0x0533, 0x0533, 0x0540, 0x0555, 0x0800, 0x0808, 0x0810, 0x0813,
|
|
0x0820, 0x0821, 0x0823, 0x0827, 0x0830, 0x0833, 0x0840, 0x0843,
|
|
0x084f, 0x086f, 0x0880, 0x088a, 0x08a0, 0x08ab, 0x08c0, 0x08c4,
|
|
0x08d0, 0x08dd, 0x08f0, 0x08f3, 0x0900, 0x0903, 0x0908, 0x0911,
|
|
0x0928, 0x093e, 0x0942, 0x094d, 0x0980, 0x0984, 0x098d, 0x0996,
|
|
0x0998, 0x099e, 0x09a0, 0x09a6, 0x09a8, 0x09ae, 0x09b0, 0x09b1,
|
|
0x09c2, 0x09c8, 0x0a00, 0x0a03, 0x0c00, 0x0c04, 0x0c06, 0x0c06,
|
|
0x0c10, 0x0cd9, 0x0e00, 0x0e0e, 0x0e10, 0x0e13, 0x0e17, 0x0e19,
|
|
0x0e1c, 0x0e2b, 0x0e30, 0x0e32, 0x0e38, 0x0e39, 0x8600, 0x8601,
|
|
0x8610, 0x861b, 0x8620, 0x8620, 0x8628, 0x862b, 0x8630, 0x8637,
|
|
0x8e01, 0x8e01, 0x8e04, 0x8e05, 0x8e07, 0x8e08, 0x8e0c, 0x8e0c,
|
|
0x8e10, 0x8e1c, 0x8e20, 0x8e25, 0x8e28, 0x8e28, 0x8e2c, 0x8e2f,
|
|
0x8e3b, 0x8e3e, 0x8e40, 0x8e43, 0x8e50, 0x8e5e, 0x8e70, 0x8e77,
|
|
0x9600, 0x9604, 0x9624, 0x9637, 0x9e00, 0x9e01, 0x9e03, 0x9e0e,
|
|
0x9e11, 0x9e16, 0x9e19, 0x9e19, 0x9e1c, 0x9e1c, 0x9e20, 0x9e23,
|
|
0x9e30, 0x9e31, 0x9e34, 0x9e34, 0x9e70, 0x9e72, 0x9e78, 0x9e79,
|
|
0x9e80, 0x9fff, 0xa600, 0xa601, 0xa603, 0xa603, 0xa60a, 0xa60a,
|
|
0xa610, 0xa617, 0xa630, 0xa630,
|
|
~0
|
|
};
|
|
|
|
static int a6xx_pm_resume(struct msm_gpu *gpu)
|
|
{
|
|
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
|
|
struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
|
|
int ret;
|
|
|
|
ret = a6xx_gmu_resume(a6xx_gpu);
|
|
|
|
gpu->needs_hw_init = true;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int a6xx_pm_suspend(struct msm_gpu *gpu)
|
|
{
|
|
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
|
|
struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
|
|
|
|
/*
|
|
* Make sure the GMU is idle before continuing (because some transitions
|
|
* may use VBIF
|
|
*/
|
|
a6xx_gmu_wait_for_idle(a6xx_gpu);
|
|
|
|
/* Clear the VBIF pipe before shutting down */
|
|
/* FIXME: This accesses the GPU - do we need to make sure it is on? */
|
|
gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0xf);
|
|
spin_until((gpu_read(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL1) & 0xf) == 0xf);
|
|
gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0);
|
|
|
|
return a6xx_gmu_stop(a6xx_gpu);
|
|
}
|
|
|
|
static int a6xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value)
|
|
{
|
|
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
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|
struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
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|
|
|
/* Force the GPU power on so we can read this register */
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a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET);
|
|
|
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*value = gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER_LO,
|
|
REG_A6XX_CP_ALWAYS_ON_COUNTER_HI);
|
|
|
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a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET);
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP)
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|
static void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
|
|
struct drm_printer *p)
|
|
{
|
|
adreno_show(gpu, state, p);
|
|
}
|
|
#endif
|
|
|
|
static struct msm_ringbuffer *a6xx_active_ring(struct msm_gpu *gpu)
|
|
{
|
|
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
|
|
struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
|
|
|
|
return a6xx_gpu->cur_ring;
|
|
}
|
|
|
|
static void a6xx_destroy(struct msm_gpu *gpu)
|
|
{
|
|
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
|
|
struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
|
|
|
|
if (a6xx_gpu->sqe_bo) {
|
|
if (a6xx_gpu->sqe_iova)
|
|
msm_gem_put_iova(a6xx_gpu->sqe_bo, gpu->aspace);
|
|
drm_gem_object_unreference_unlocked(a6xx_gpu->sqe_bo);
|
|
}
|
|
|
|
a6xx_gmu_remove(a6xx_gpu);
|
|
|
|
adreno_gpu_cleanup(adreno_gpu);
|
|
kfree(a6xx_gpu);
|
|
}
|
|
|
|
static const struct adreno_gpu_funcs funcs = {
|
|
.base = {
|
|
.get_param = adreno_get_param,
|
|
.hw_init = a6xx_hw_init,
|
|
.pm_suspend = a6xx_pm_suspend,
|
|
.pm_resume = a6xx_pm_resume,
|
|
.recover = a6xx_recover,
|
|
.submit = a6xx_submit,
|
|
.flush = a6xx_flush,
|
|
.active_ring = a6xx_active_ring,
|
|
.irq = a6xx_irq,
|
|
.destroy = a6xx_destroy,
|
|
#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP)
|
|
.show = a6xx_show,
|
|
#endif
|
|
},
|
|
.get_timestamp = a6xx_get_timestamp,
|
|
};
|
|
|
|
struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
|
|
{
|
|
struct msm_drm_private *priv = dev->dev_private;
|
|
struct platform_device *pdev = priv->gpu_pdev;
|
|
struct device_node *node;
|
|
struct a6xx_gpu *a6xx_gpu;
|
|
struct adreno_gpu *adreno_gpu;
|
|
struct msm_gpu *gpu;
|
|
int ret;
|
|
|
|
a6xx_gpu = kzalloc(sizeof(*a6xx_gpu), GFP_KERNEL);
|
|
if (!a6xx_gpu)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
adreno_gpu = &a6xx_gpu->base;
|
|
gpu = &adreno_gpu->base;
|
|
|
|
adreno_gpu->registers = a6xx_registers;
|
|
adreno_gpu->reg_offsets = a6xx_register_offsets;
|
|
|
|
ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 1);
|
|
if (ret) {
|
|
a6xx_destroy(&(a6xx_gpu->base.base));
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
/* Check if there is a GMU phandle and set it up */
|
|
node = of_parse_phandle(pdev->dev.of_node, "gmu", 0);
|
|
|
|
/* FIXME: How do we gracefully handle this? */
|
|
BUG_ON(!node);
|
|
|
|
ret = a6xx_gmu_probe(a6xx_gpu, node);
|
|
if (ret) {
|
|
a6xx_destroy(&(a6xx_gpu->base.base));
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
if (gpu->aspace)
|
|
msm_mmu_set_fault_handler(gpu->aspace->mmu, gpu,
|
|
a6xx_fault_handler);
|
|
|
|
return gpu;
|
|
}
|