diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a3xx_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a3xx_gpu.c | 301 |
1 files changed, 191 insertions, 110 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c index 0e3828ed1e46..f22d33e99e81 100644 --- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c @@ -1,26 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2013 Red Hat * Author: Rob Clark <robdclark@gmail.com> * * Copyright (c) 2014 The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ -#ifdef CONFIG_MSM_OCMEM -# include <mach/ocmem.h> -#endif - #include "a3xx_gpu.h" #define A3XX_INT0_MASK \ @@ -35,6 +20,7 @@ A3XX_INT0_CP_RB_INT | \ A3XX_INT0_CP_REG_PROTECT_FAULT | \ A3XX_INT0_CP_AHB_ERROR_HALT | \ + A3XX_INT0_CACHE_FLUSH_TS | \ A3XX_INT0_UCHE_OOB_ACCESS) extern bool hang_debug; @@ -42,9 +28,63 @@ extern bool hang_debug; static void a3xx_dump(struct msm_gpu *gpu); static bool a3xx_idle(struct msm_gpu *gpu); +static void a3xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) +{ + struct msm_ringbuffer *ring = submit->ring; + unsigned int i; + + for (i = 0; i < submit->nr_cmds; i++) { + switch (submit->cmd[i].type) { + case MSM_SUBMIT_CMD_IB_TARGET_BUF: + /* ignore IB-targets */ + break; + case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: + /* ignore if there has not been a ctx switch: */ + if (ring->cur_ctx_seqno == submit->queue->ctx->seqno) + break; + fallthrough; + case MSM_SUBMIT_CMD_BUF: + OUT_PKT3(ring, CP_INDIRECT_BUFFER_PFD, 2); + OUT_RING(ring, lower_32_bits(submit->cmd[i].iova)); + OUT_RING(ring, submit->cmd[i].size); + OUT_PKT2(ring); + break; + } + } + + OUT_PKT0(ring, REG_AXXX_CP_SCRATCH_REG2, 1); + OUT_RING(ring, submit->seqno); + + /* Flush HLSQ lazy updates to make sure there is nothing + * pending for indirect loads after the timestamp has + * passed: + */ + OUT_PKT3(ring, CP_EVENT_WRITE, 1); + OUT_RING(ring, HLSQ_FLUSH); + + /* wait for idle before cache flush/interrupt */ + OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1); + OUT_RING(ring, 0x00000000); + + /* BIT(31) of CACHE_FLUSH_TS triggers CACHE_FLUSH_TS IRQ from GPU */ + OUT_PKT3(ring, CP_EVENT_WRITE, 3); + OUT_RING(ring, CACHE_FLUSH_TS | CP_EVENT_WRITE_0_IRQ); + OUT_RING(ring, rbmemptr(ring, fence)); + OUT_RING(ring, submit->seqno); + +#if 0 + /* Dummy set-constant to trigger context rollover */ + OUT_PKT3(ring, CP_SET_CONSTANT, 2); + OUT_RING(ring, CP_REG(REG_A3XX_HLSQ_CL_KERNEL_GROUP_X_REG)); + OUT_RING(ring, 0x00000000); +#endif + + adreno_flush(gpu, ring, REG_AXXX_CP_RB_WPTR); +} + static bool a3xx_me_init(struct msm_gpu *gpu) { - struct msm_ringbuffer *ring = gpu->rb; + struct msm_ringbuffer *ring = gpu->rb[0]; OUT_PKT3(ring, CP_ME_INIT, 17); OUT_RING(ring, 0x000003f7); @@ -65,7 +105,7 @@ static bool a3xx_me_init(struct msm_gpu *gpu) OUT_RING(ring, 0x00000000); OUT_RING(ring, 0x00000000); - gpu->funcs->flush(gpu); + adreno_flush(gpu, ring, REG_AXXX_CP_RB_WPTR); return a3xx_idle(gpu); } @@ -94,10 +134,21 @@ static int a3xx_hw_init(struct msm_gpu *gpu) /* Set up AOOO: */ gpu_write(gpu, REG_A3XX_VBIF_OUT_AXI_AOOO_EN, 0x0000003c); gpu_write(gpu, REG_A3XX_VBIF_OUT_AXI_AOOO, 0x003c003c); + } else if (adreno_is_a305b(adreno_gpu)) { + gpu_write(gpu, REG_A3XX_VBIF_IN_RD_LIM_CONF0, 0x00181818); + gpu_write(gpu, REG_A3XX_VBIF_IN_WR_LIM_CONF0, 0x00181818); + gpu_write(gpu, REG_A3XX_VBIF_OUT_RD_LIM_CONF0, 0x00000018); + gpu_write(gpu, REG_A3XX_VBIF_OUT_WR_LIM_CONF0, 0x00000018); + gpu_write(gpu, REG_A3XX_VBIF_DDR_OUT_MAX_BURST, 0x00000303); + gpu_write(gpu, REG_A3XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x0003); } else if (adreno_is_a306(adreno_gpu)) { gpu_write(gpu, REG_A3XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x0003); gpu_write(gpu, REG_A3XX_VBIF_OUT_RD_LIM_CONF0, 0x0000000a); gpu_write(gpu, REG_A3XX_VBIF_OUT_WR_LIM_CONF0, 0x0000000a); + } else if (adreno_is_a306a(adreno_gpu)) { + gpu_write(gpu, REG_A3XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x0003); + gpu_write(gpu, REG_A3XX_VBIF_OUT_RD_LIM_CONF0, 0x00000010); + gpu_write(gpu, REG_A3XX_VBIF_OUT_WR_LIM_CONF0, 0x00000010); } else if (adreno_is_a320(adreno_gpu)) { /* Set up 16 deep read/write request queues: */ gpu_write(gpu, REG_A3XX_VBIF_IN_RD_LIM_CONF0, 0x10101010); @@ -190,7 +241,9 @@ static int a3xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A3XX_UCHE_CACHE_MODE_CONTROL_REG, 0x00000001); /* Enable Clock gating: */ - if (adreno_is_a306(adreno_gpu)) + if (adreno_is_a305b(adreno_gpu) || + adreno_is_a306(adreno_gpu) || + adreno_is_a306a(adreno_gpu)) gpu_write(gpu, REG_A3XX_RBBM_CLOCK_CTL, 0xaaaaaaaa); else if (adreno_is_a320(adreno_gpu)) gpu_write(gpu, REG_A3XX_RBBM_CLOCK_CTL, 0xbfffffff); @@ -205,9 +258,9 @@ static int a3xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A3XX_RBBM_GPR0_CTL, 0x00000000); /* Set the OCMEM base address for A330, etc */ - if (a3xx_gpu->ocmem_hdl) { + if (a3xx_gpu->ocmem.hdl) { gpu_write(gpu, REG_A3XX_RB_GMEM_BASE_ADDR, - (unsigned int)(a3xx_gpu->ocmem_base >> 14)); + (unsigned int)(a3xx_gpu->ocmem.base >> 14)); } /* Turn on performance counters: */ @@ -225,6 +278,16 @@ static int a3xx_hw_init(struct msm_gpu *gpu) if (ret) return ret; + /* + * Use the default ringbuffer size and block size but disable the RPTR + * shadow + */ + gpu_write(gpu, REG_AXXX_CP_RB_CNTL, + MSM_GPU_RB_CNTL_DEFAULT | AXXX_CP_RB_CNTL_NO_UPDATE); + + /* Set the ringbuffer address */ + gpu_write(gpu, REG_AXXX_CP_RB_BASE, lower_32_bits(gpu->rb[0]->iova)); + /* setup access protection: */ gpu_write(gpu, REG_A3XX_CP_PROTECT_CTRL, 0x00000007); @@ -256,8 +319,8 @@ static int a3xx_hw_init(struct msm_gpu *gpu) */ /* Load PM4: */ - ptr = (uint32_t *)(adreno_gpu->pm4->data); - len = adreno_gpu->pm4->size / 4; + ptr = (uint32_t *)(adreno_gpu->fw[ADRENO_FW_PM4]->data); + len = adreno_gpu->fw[ADRENO_FW_PM4]->size / 4; DBG("loading PM4 ucode version: %x", ptr[1]); gpu_write(gpu, REG_AXXX_CP_DEBUG, @@ -268,8 +331,8 @@ static int a3xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_AXXX_CP_ME_RAM_DATA, ptr[i]); /* Load PFP: */ - ptr = (uint32_t *)(adreno_gpu->pfp->data); - len = adreno_gpu->pfp->size / 4; + ptr = (uint32_t *)(adreno_gpu->fw[ADRENO_FW_PFP]->data); + len = adreno_gpu->fw[ADRENO_FW_PFP]->size / 4; DBG("loading PFP ucode version: %x", ptr[5]); gpu_write(gpu, REG_A3XX_CP_PFP_UCODE_ADDR, 0); @@ -277,13 +340,15 @@ static int a3xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A3XX_CP_PFP_UCODE_DATA, ptr[i]); /* CP ROQ queue sizes (bytes) - RB:16, ST:16, IB1:32, IB2:64 */ - if (adreno_is_a305(adreno_gpu) || adreno_is_a306(adreno_gpu) || - adreno_is_a320(adreno_gpu)) { + if (adreno_is_a305(adreno_gpu) || + adreno_is_a306(adreno_gpu) || + adreno_is_a306a(adreno_gpu) || + adreno_is_a320(adreno_gpu)) { gpu_write(gpu, REG_AXXX_CP_QUEUE_THRESHOLDS, AXXX_CP_QUEUE_THRESHOLDS_CSQ_IB1_START(2) | AXXX_CP_QUEUE_THRESHOLDS_CSQ_IB2_START(6) | AXXX_CP_QUEUE_THRESHOLDS_CSQ_ST_START(14)); - } else if (adreno_is_a330(adreno_gpu)) { + } else if (adreno_is_a330(adreno_gpu) || adreno_is_a305b(adreno_gpu)) { /* NOTE: this (value take from downstream android driver) * includes some bits outside of the known bitfields. But * A330 has this "MERCIU queue" thing too, which might @@ -328,10 +393,7 @@ static void a3xx_destroy(struct msm_gpu *gpu) adreno_gpu_cleanup(adreno_gpu); -#ifdef CONFIG_MSM_OCMEM - if (a3xx_gpu->ocmem_base) - ocmem_free(OCMEM_GRAPHICS, a3xx_gpu->ocmem_hdl); -#endif + adreno_gpu_ocmem_cleanup(&a3xx_gpu->ocmem); kfree(a3xx_gpu); } @@ -339,7 +401,7 @@ static void a3xx_destroy(struct msm_gpu *gpu) static bool a3xx_idle(struct msm_gpu *gpu) { /* wait for ringbuffer to drain: */ - if (!adreno_idle(gpu)) + if (!adreno_idle(gpu, gpu->rb[0])) return false; /* then wait for GPU to finish: */ @@ -394,31 +456,20 @@ static const unsigned int a3xx_registers[] = { 0x2200, 0x2212, 0x2214, 0x2217, 0x221a, 0x221a, 0x2240, 0x227e, 0x2280, 0x228b, 0x22c0, 0x22c0, 0x22c4, 0x22ce, 0x22d0, 0x22d8, 0x22df, 0x22e6, 0x22e8, 0x22e9, 0x22ec, 0x22ec, 0x22f0, 0x22f7, - 0x22ff, 0x22ff, 0x2340, 0x2343, 0x2348, 0x2349, 0x2350, 0x2356, - 0x2360, 0x2360, 0x2440, 0x2440, 0x2444, 0x2444, 0x2448, 0x244d, - 0x2468, 0x2469, 0x246c, 0x246d, 0x2470, 0x2470, 0x2472, 0x2472, - 0x2474, 0x2475, 0x2479, 0x247a, 0x24c0, 0x24d3, 0x24e4, 0x24ef, - 0x2500, 0x2509, 0x250c, 0x250c, 0x250e, 0x250e, 0x2510, 0x2511, - 0x2514, 0x2515, 0x25e4, 0x25e4, 0x25ea, 0x25ea, 0x25ec, 0x25ed, - 0x25f0, 0x25f0, 0x2600, 0x2612, 0x2614, 0x2617, 0x261a, 0x261a, - 0x2640, 0x267e, 0x2680, 0x268b, 0x26c0, 0x26c0, 0x26c4, 0x26ce, - 0x26d0, 0x26d8, 0x26df, 0x26e6, 0x26e8, 0x26e9, 0x26ec, 0x26ec, - 0x26f0, 0x26f7, 0x26ff, 0x26ff, 0x2740, 0x2743, 0x2748, 0x2749, - 0x2750, 0x2756, 0x2760, 0x2760, 0x300c, 0x300e, 0x301c, 0x301d, - 0x302a, 0x302a, 0x302c, 0x302d, 0x3030, 0x3031, 0x3034, 0x3036, - 0x303c, 0x303c, 0x305e, 0x305f, + 0x22ff, 0x22ff, 0x2340, 0x2343, 0x2440, 0x2440, 0x2444, 0x2444, + 0x2448, 0x244d, 0x2468, 0x2469, 0x246c, 0x246d, 0x2470, 0x2470, + 0x2472, 0x2472, 0x2474, 0x2475, 0x2479, 0x247a, 0x24c0, 0x24d3, + 0x24e4, 0x24ef, 0x2500, 0x2509, 0x250c, 0x250c, 0x250e, 0x250e, + 0x2510, 0x2511, 0x2514, 0x2515, 0x25e4, 0x25e4, 0x25ea, 0x25ea, + 0x25ec, 0x25ed, 0x25f0, 0x25f0, 0x2600, 0x2612, 0x2614, 0x2617, + 0x261a, 0x261a, 0x2640, 0x267e, 0x2680, 0x268b, 0x26c0, 0x26c0, + 0x26c4, 0x26ce, 0x26d0, 0x26d8, 0x26df, 0x26e6, 0x26e8, 0x26e9, + 0x26ec, 0x26ec, 0x26f0, 0x26f7, 0x26ff, 0x26ff, 0x2740, 0x2743, + 0x300c, 0x300e, 0x301c, 0x301d, 0x302a, 0x302a, 0x302c, 0x302d, + 0x3030, 0x3031, 0x3034, 0x3036, 0x303c, 0x303c, 0x305e, 0x305f, ~0 /* sentinel */ }; -#ifdef CONFIG_DEBUG_FS -static void a3xx_show(struct msm_gpu *gpu, struct seq_file *m) -{ - seq_printf(m, "status: %08x\n", - gpu_read(gpu, REG_A3XX_RBBM_STATUS)); - adreno_show(gpu, m); -} -#endif - /* would be nice to not have to duplicate the _show() stuff with printk(): */ static void a3xx_dump(struct msm_gpu *gpu) { @@ -426,34 +477,36 @@ static void a3xx_dump(struct msm_gpu *gpu) gpu_read(gpu, REG_A3XX_RBBM_STATUS)); adreno_dump(gpu); } -/* Register offset defines for A3XX */ -static const unsigned int a3xx_register_offsets[REG_ADRENO_REGISTER_MAX] = { - REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE, REG_AXXX_CP_RB_BASE), - REG_ADRENO_SKIP(REG_ADRENO_CP_RB_BASE_HI), - REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR, REG_AXXX_CP_RB_RPTR_ADDR), - REG_ADRENO_SKIP(REG_ADRENO_CP_RB_RPTR_ADDR_HI), - REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR, REG_AXXX_CP_RB_RPTR), - REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_WPTR, REG_AXXX_CP_RB_WPTR), - REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_AXXX_CP_RB_CNTL), -}; -static const struct adreno_gpu_funcs funcs = { - .base = { - .get_param = adreno_get_param, - .hw_init = a3xx_hw_init, - .pm_suspend = msm_gpu_pm_suspend, - .pm_resume = msm_gpu_pm_resume, - .recover = a3xx_recover, - .last_fence = adreno_last_fence, - .submit = adreno_submit, - .flush = adreno_flush, - .irq = a3xx_irq, - .destroy = a3xx_destroy, -#ifdef CONFIG_DEBUG_FS - .show = a3xx_show, -#endif - }, -}; +static struct msm_gpu_state *a3xx_gpu_state_get(struct msm_gpu *gpu) +{ + struct msm_gpu_state *state = kzalloc(sizeof(*state), GFP_KERNEL); + + if (!state) + return ERR_PTR(-ENOMEM); + + adreno_gpu_state_get(gpu, state); + + state->rbbm_status = gpu_read(gpu, REG_A3XX_RBBM_STATUS); + + return state; +} + +static u64 a3xx_gpu_busy(struct msm_gpu *gpu, unsigned long *out_sample_rate) +{ + u64 busy_cycles; + + busy_cycles = gpu_read64(gpu, REG_A3XX_RBBM_PERFCTR_RBBM_1_LO); + *out_sample_rate = clk_get_rate(gpu->core_clk); + + return busy_cycles; +} + +static u32 a3xx_get_rptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring) +{ + ring->memptrs->rptr = gpu_read(gpu, REG_AXXX_CP_RB_RPTR); + return ring->memptrs->rptr; +} static const struct msm_gpu_perfcntr perfcntrs[] = { { REG_A3XX_SP_PERFCOUNTER6_SELECT, REG_A3XX_RBBM_PERFCTR_SP_6_LO, @@ -462,17 +515,20 @@ static const struct msm_gpu_perfcntr perfcntrs[] = { SP_FS_FULL_ALU_INSTRUCTIONS, "ALUFULL" }, }; -struct msm_gpu *a3xx_gpu_init(struct drm_device *dev) +static struct msm_gpu *a3xx_gpu_init(struct drm_device *dev) { struct a3xx_gpu *a3xx_gpu = NULL; struct adreno_gpu *adreno_gpu; struct msm_gpu *gpu; struct msm_drm_private *priv = dev->dev_private; struct platform_device *pdev = priv->gpu_pdev; + struct adreno_platform_config *config = pdev->dev.platform_data; + struct icc_path *ocmem_icc_path; + struct icc_path *icc_path; int ret; if (!pdev) { - dev_err(dev->dev, "no a3xx device\n"); + DRM_DEV_ERROR(dev->dev, "no a3xx device\n"); ret = -ENXIO; goto fail; } @@ -486,46 +542,47 @@ struct msm_gpu *a3xx_gpu_init(struct drm_device *dev) adreno_gpu = &a3xx_gpu->base; gpu = &adreno_gpu->base; - a3xx_gpu->pdev = pdev; - gpu->perfcntrs = perfcntrs; gpu->num_perfcntrs = ARRAY_SIZE(perfcntrs); adreno_gpu->registers = a3xx_registers; - adreno_gpu->reg_offsets = a3xx_register_offsets; - ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs); + ret = adreno_gpu_init(dev, pdev, adreno_gpu, config->info->funcs, 1); if (ret) goto fail; /* if needed, allocate gmem: */ - if (adreno_is_a330(adreno_gpu)) { -#ifdef CONFIG_MSM_OCMEM - /* TODO this is different/missing upstream: */ - struct ocmem_buf *ocmem_hdl = - ocmem_allocate(OCMEM_GRAPHICS, adreno_gpu->gmem); - - a3xx_gpu->ocmem_hdl = ocmem_hdl; - a3xx_gpu->ocmem_base = ocmem_hdl->addr; - adreno_gpu->gmem = ocmem_hdl->len; - DBG("using %dK of OCMEM at 0x%08x", adreno_gpu->gmem / 1024, - a3xx_gpu->ocmem_base); -#endif + if (adreno_is_a330(adreno_gpu) || adreno_is_a305b(adreno_gpu)) { + ret = adreno_gpu_ocmem_init(&adreno_gpu->base.pdev->dev, + adreno_gpu, &a3xx_gpu->ocmem); + if (ret) + goto fail; } - if (!gpu->aspace) { - /* TODO we think it is possible to configure the GPU to - * restrict access to VRAM carveout. But the required - * registers are unknown. For now just bail out and - * limp along with just modesetting. If it turns out - * to not be possible to restrict access, then we must - * implement a cmdstream validator. - */ - dev_err(dev->dev, "No memory protection without IOMMU\n"); - ret = -ENXIO; + icc_path = devm_of_icc_get(&pdev->dev, "gfx-mem"); + if (IS_ERR(icc_path)) { + ret = PTR_ERR(icc_path); goto fail; } + ocmem_icc_path = devm_of_icc_get(&pdev->dev, "ocmem"); + if (IS_ERR(ocmem_icc_path)) { + ret = PTR_ERR(ocmem_icc_path); + /* allow -ENODATA, ocmem icc is optional */ + if (ret != -ENODATA) + goto fail; + ocmem_icc_path = NULL; + } + + + /* + * Set the ICC path to maximum speed for now by multiplying the fastest + * frequency by the bus width (8). We'll want to scale this later on to + * improve battery life. + */ + icc_set_bw(icc_path, 0, Bps_to_icc(gpu->fast_rate) * 8); + icc_set_bw(ocmem_icc_path, 0, Bps_to_icc(gpu->fast_rate) * 8); + return gpu; fail: @@ -534,3 +591,27 @@ fail: return ERR_PTR(ret); } + +const struct adreno_gpu_funcs a3xx_gpu_funcs = { + .base = { + .get_param = adreno_get_param, + .set_param = adreno_set_param, + .hw_init = a3xx_hw_init, + .pm_suspend = msm_gpu_pm_suspend, + .pm_resume = msm_gpu_pm_resume, + .recover = a3xx_recover, + .submit = a3xx_submit, + .active_ring = adreno_active_ring, + .irq = a3xx_irq, + .destroy = a3xx_destroy, +#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP) + .show = adreno_show, +#endif + .gpu_busy = a3xx_gpu_busy, + .gpu_state_get = a3xx_gpu_state_get, + .gpu_state_put = adreno_gpu_state_put, + .create_vm = adreno_create_vm, + .get_rptr = a3xx_get_rptr, + }, + .init = a3xx_gpu_init, +}; |