derived from the a3xx driver and tested on the following hardware: imx51-zii-rdu1 (a200 with 128kb gmem) imx53-qsrb (a200) msm8060-tenderloin (a220)
Signed-off-by: Jonathan Marek jonathan@marek.ca Reviewed-by: Jordan Crouse jcrouse@codeaurora.org --- v2: -fail when MMU is not present (instead of just a warning, matches a3xx) -removed whitespace and removed "XXX" in comments
drivers/gpu/drm/msm/Makefile | 1 + drivers/gpu/drm/msm/adreno/a2xx_gpu.c | 446 +++++++++++++++++++++ drivers/gpu/drm/msm/adreno/a2xx_gpu.h | 21 + drivers/gpu/drm/msm/adreno/adreno_device.c | 33 ++ drivers/gpu/drm/msm/adreno/adreno_gpu.c | 27 +- drivers/gpu/drm/msm/adreno/adreno_gpu.h | 15 + 6 files changed, 535 insertions(+), 8 deletions(-) create mode 100644 drivers/gpu/drm/msm/adreno/a2xx_gpu.c create mode 100644 drivers/gpu/drm/msm/adreno/a2xx_gpu.h
diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile index 19ab521d4c3a..0170766393ea 100644 --- a/drivers/gpu/drm/msm/Makefile +++ b/drivers/gpu/drm/msm/Makefile @@ -6,6 +6,7 @@ ccflags-$(CONFIG_DRM_MSM_DSI) += -Idrivers/gpu/drm/msm/dsi msm-y := \ adreno/adreno_device.o \ adreno/adreno_gpu.o \ + adreno/a2xx_gpu.o \ adreno/a3xx_gpu.o \ adreno/a4xx_gpu.o \ adreno/a5xx_gpu.o \ diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c new file mode 100644 index 000000000000..936242f69f08 --- /dev/null +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c @@ -0,0 +1,446 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2018 The Linux Foundation. All rights reserved. */ + +#include "a2xx_gpu.h" + +extern bool hang_debug; + +static void a2xx_dump(struct msm_gpu *gpu); +static bool a2xx_idle(struct msm_gpu *gpu); + +static bool a2xx_me_init(struct msm_gpu *gpu) +{ + struct msm_ringbuffer *ring = gpu->rb[0]; + + OUT_PKT3(ring, CP_ME_INIT, 18); + + /* All fields present (bits 9:0) */ + OUT_RING(ring, 0x000003ff); + /* Disable/Enable Real-Time Stream processing (present but ignored) */ + OUT_RING(ring, 0x00000000); + /* Enable (2D <-> 3D) implicit synchronization (present but ignored) */ + OUT_RING(ring, 0x00000000); + + OUT_RING(ring, REG_A2XX_RB_SURFACE_INFO - 0x2000); + OUT_RING(ring, REG_A2XX_PA_SC_WINDOW_OFFSET - 0x2000); + OUT_RING(ring, REG_A2XX_VGT_MAX_VTX_INDX - 0x2000); + OUT_RING(ring, REG_A2XX_SQ_PROGRAM_CNTL - 0x2000); + OUT_RING(ring, REG_A2XX_RB_DEPTHCONTROL - 0x2000); + OUT_RING(ring, REG_A2XX_PA_SU_POINT_SIZE - 0x2000); + OUT_RING(ring, REG_A2XX_PA_SC_LINE_CNTL - 0x2000); + OUT_RING(ring, REG_A2XX_PA_SU_POLY_OFFSET_FRONT_SCALE - 0x2000); + + /* Vertex and Pixel Shader Start Addresses in instructions + * (3 DWORDS per instruction) */ + OUT_RING(ring, 0x80000180); + /* Maximum Contexts */ + OUT_RING(ring, 0x00000001); + /* Write Confirm Interval and The CP will wait the + * wait_interval * 16 clocks between polling */ + OUT_RING(ring, 0x00000000); + /* NQ and External Memory Swap */ + OUT_RING(ring, 0x00000000); + /* protected mode error checking (0x1f2 is REG_AXXX_CP_INT_CNTL) */ + OUT_RING(ring, 0x200001f2); + /* Disable header dumping and Header dump address */ + OUT_RING(ring, 0x00000000); + /* Header dump size */ + OUT_RING(ring, 0x00000000); + + /* enable protected mode */ + OUT_PKT3(ring, CP_SET_PROTECTED_MODE, 1); + OUT_RING(ring, 1); + + gpu->funcs->flush(gpu, ring); + return a2xx_idle(gpu); +} + +static int a2xx_hw_init(struct msm_gpu *gpu) +{ + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + uint32_t *ptr, len; + int i, ret; + + DBG("%s", gpu->name); + + gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE1, 0xfffffffe); + gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE2, 0xffffffff); + + /* note: kgsl uses 0x00000001 after first reset on a22x */ + gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 0xffffffff); + msleep(30); + gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 0x00000000); + + if (adreno_is_a225(adreno_gpu)) + gpu_write(gpu, REG_A2XX_SQ_FLOW_CONTROL, 0x18000000); + + /* note: kgsl uses 0x0000ffff for a20x */ + gpu_write(gpu, REG_A2XX_RBBM_CNTL, 0x00004442); + + gpu_write(gpu, REG_A2XX_MH_MMU_CONFIG, 0); + gpu_write(gpu, REG_A2XX_MH_MMU_MPU_BASE, 0); + gpu_write(gpu, REG_A2XX_MH_MMU_MPU_END, 0xfffff000); + gpu_write(gpu, REG_A2XX_MH_ARBITER_CONFIG, + A2XX_MH_ARBITER_CONFIG_SAME_PAGE_LIMIT(16) | + A2XX_MH_ARBITER_CONFIG_L1_ARB_ENABLE | + A2XX_MH_ARBITER_CONFIG_L1_ARB_HOLD_ENABLE | + A2XX_MH_ARBITER_CONFIG_PAGE_SIZE(1) | + A2XX_MH_ARBITER_CONFIG_TC_REORDER_ENABLE | + A2XX_MH_ARBITER_CONFIG_TC_ARB_HOLD_ENABLE | + A2XX_MH_ARBITER_CONFIG_IN_FLIGHT_LIMIT_ENABLE | + A2XX_MH_ARBITER_CONFIG_IN_FLIGHT_LIMIT(8) | + A2XX_MH_ARBITER_CONFIG_CP_CLNT_ENABLE | + A2XX_MH_ARBITER_CONFIG_VGT_CLNT_ENABLE | + A2XX_MH_ARBITER_CONFIG_TC_CLNT_ENABLE | + A2XX_MH_ARBITER_CONFIG_RB_CLNT_ENABLE | + A2XX_MH_ARBITER_CONFIG_PA_CLNT_ENABLE); + if (!adreno_is_a20x(adreno_gpu)) + gpu_write(gpu, REG_A2XX_MH_CLNT_INTF_CTRL_CONFIG1, 0x00032f07); + + gpu_write(gpu, REG_A2XX_SQ_VS_PROGRAM, 0x00000000); + gpu_write(gpu, REG_A2XX_SQ_PS_PROGRAM, 0x00000000); + + gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE1, 0); /* 0x200 for msm8960? */ + gpu_write(gpu, REG_A2XX_RBBM_PM_OVERRIDE2, 0); /* 0x80/0x1a0 for a22x? */ + + /* note: gsl doesn't set this */ + gpu_write(gpu, REG_A2XX_RBBM_DEBUG, 0x00080000); + + gpu_write(gpu, REG_A2XX_RBBM_INT_CNTL, 0); + gpu_write(gpu, REG_AXXX_CP_INT_CNTL, 0x80000000); /* RB INT */ + gpu_write(gpu, REG_A2XX_SQ_INT_CNTL, 0); + + for (i = 3; i <= 5; i++) + if ((SZ_16K << i) == adreno_gpu->gmem) + break; + gpu_write(gpu, REG_A2XX_RB_EDRAM_INFO, i); + + ret = adreno_hw_init(gpu); + if (ret) + return ret; + + /* NOTE: PM4/micro-engine firmware registers look to be the same + * for a2xx and a3xx.. we could possibly push that part down to + * adreno_gpu base class. Or push both PM4 and PFP but + * parameterize the pfp ucode addr/data registers.. + */ + + /* Load PM4: */ + 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, 0x02000000); + gpu_write(gpu, REG_AXXX_CP_ME_RAM_WADDR, 0); + for (i = 1; i < len; i++) + gpu_write(gpu, REG_AXXX_CP_ME_RAM_DATA, ptr[i]); + + /* Load PFP: */ + 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_A2XX_CP_PFP_UCODE_ADDR, 0); + for (i = 1; i < len; i++) + gpu_write(gpu, REG_A2XX_CP_PFP_UCODE_DATA, ptr[i]); + + gpu_write(gpu, REG_AXXX_CP_QUEUE_THRESHOLDS, 0x000C0804); + + /* clear ME_HALT to start micro engine */ + gpu_write(gpu, REG_AXXX_CP_ME_CNTL, 0); + + return a2xx_me_init(gpu) ? 0 : -EINVAL; +} + +static void a2xx_recover(struct msm_gpu *gpu) +{ + int i; + + adreno_dump_info(gpu); + + for (i = 0; i < 8; i++) { + printk("CP_SCRATCH_REG%d: %u\n", i, + gpu_read(gpu, REG_AXXX_CP_SCRATCH_REG0 + i)); + } + + /* dump registers before resetting gpu, if enabled: */ + if (hang_debug) + a2xx_dump(gpu); + + gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 1); + gpu_read(gpu, REG_A2XX_RBBM_SOFT_RESET); + gpu_write(gpu, REG_A2XX_RBBM_SOFT_RESET, 0); + adreno_recover(gpu); +} + +static void a2xx_destroy(struct msm_gpu *gpu) +{ + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a2xx_gpu *a2xx_gpu = to_a2xx_gpu(adreno_gpu); + + DBG("%s", gpu->name); + + adreno_gpu_cleanup(adreno_gpu); + + kfree(a2xx_gpu); +} + +static bool a2xx_idle(struct msm_gpu *gpu) +{ + /* wait for ringbuffer to drain: */ + if (!adreno_idle(gpu, gpu->rb[0])) + return false; + + /* then wait for GPU to finish: */ + if (spin_until(!(gpu_read(gpu, REG_A2XX_RBBM_STATUS) & + A2XX_RBBM_STATUS_GUI_ACTIVE))) { + DRM_ERROR("%s: timeout waiting for GPU to idle!\n", gpu->name); + + /* TODO maybe we need to reset GPU here to recover from hang? */ + return false; + } + + return true; +} + +static irqreturn_t a2xx_irq(struct msm_gpu *gpu) +{ + uint32_t mstatus, status; + + mstatus = gpu_read(gpu, REG_A2XX_MASTER_INT_SIGNAL); + + if (mstatus & A2XX_MASTER_INT_SIGNAL_MH_INT_STAT) { + status = gpu_read(gpu, REG_A2XX_MH_INTERRUPT_STATUS); + + dev_warn(gpu->dev->dev, "MH_INT: %08X\n", status); + dev_warn(gpu->dev->dev, "MMU_PAGE_FAULT: %08X\n", + gpu_read(gpu, REG_A2XX_MH_MMU_PAGE_FAULT)); + + gpu_write(gpu, REG_A2XX_MH_INTERRUPT_CLEAR, status); + } + + if (mstatus & A2XX_MASTER_INT_SIGNAL_CP_INT_STAT) { + status = gpu_read(gpu, REG_AXXX_CP_INT_STATUS); + + /* only RB_INT is expected */ + if (status & ~AXXX_CP_INT_CNTL_RB_INT_MASK) + dev_warn(gpu->dev->dev, "CP_INT: %08X\n", status); + + gpu_write(gpu, REG_AXXX_CP_INT_ACK, status); + } + + if (mstatus & A2XX_MASTER_INT_SIGNAL_RBBM_INT_STAT) { + status = gpu_read(gpu, REG_A2XX_RBBM_INT_STATUS); + + dev_warn(gpu->dev->dev, "RBBM_INT: %08X\n", status); + + gpu_write(gpu, REG_A2XX_RBBM_INT_ACK, status); + } + + msm_gpu_retire(gpu); + + return IRQ_HANDLED; +} + +static const unsigned int a200_registers[] = { + 0x0000, 0x0002, 0x0004, 0x000B, 0x003B, 0x003D, 0x0040, 0x0044, + 0x0046, 0x0047, 0x01C0, 0x01C1, 0x01C3, 0x01C8, 0x01D5, 0x01D9, + 0x01DC, 0x01DD, 0x01EA, 0x01EA, 0x01EE, 0x01F3, 0x01F6, 0x01F7, + 0x01FC, 0x01FF, 0x0391, 0x0392, 0x039B, 0x039E, 0x03B2, 0x03B5, + 0x03B7, 0x03B7, 0x03F8, 0x03FB, 0x0440, 0x0440, 0x0443, 0x0444, + 0x044B, 0x044B, 0x044D, 0x044F, 0x0452, 0x0452, 0x0454, 0x045B, + 0x047F, 0x047F, 0x0578, 0x0587, 0x05C9, 0x05C9, 0x05D0, 0x05D0, + 0x0601, 0x0604, 0x0606, 0x0609, 0x060B, 0x060E, 0x0613, 0x0614, + 0x0A29, 0x0A2B, 0x0A2F, 0x0A31, 0x0A40, 0x0A43, 0x0A45, 0x0A45, + 0x0A4E, 0x0A4F, 0x0C2C, 0x0C2C, 0x0C30, 0x0C30, 0x0C38, 0x0C3C, + 0x0C40, 0x0C40, 0x0C44, 0x0C44, 0x0C80, 0x0C86, 0x0C88, 0x0C94, + 0x0C99, 0x0C9A, 0x0CA4, 0x0CA5, 0x0D00, 0x0D03, 0x0D06, 0x0D06, + 0x0D08, 0x0D0B, 0x0D34, 0x0D35, 0x0DAE, 0x0DC1, 0x0DC8, 0x0DD4, + 0x0DD8, 0x0DD9, 0x0E00, 0x0E00, 0x0E02, 0x0E04, 0x0E17, 0x0E1E, + 0x0EC0, 0x0EC9, 0x0ECB, 0x0ECC, 0x0ED0, 0x0ED0, 0x0ED4, 0x0ED7, + 0x0EE0, 0x0EE2, 0x0F01, 0x0F02, 0x0F0C, 0x0F0C, 0x0F0E, 0x0F12, + 0x0F26, 0x0F2A, 0x0F2C, 0x0F2C, 0x2000, 0x2002, 0x2006, 0x200F, + 0x2080, 0x2082, 0x2100, 0x2109, 0x210C, 0x2114, 0x2180, 0x2184, + 0x21F5, 0x21F7, 0x2200, 0x2208, 0x2280, 0x2283, 0x2293, 0x2294, + 0x2300, 0x2308, 0x2312, 0x2312, 0x2316, 0x231D, 0x2324, 0x2326, + 0x2380, 0x2383, 0x2400, 0x2402, 0x2406, 0x240F, 0x2480, 0x2482, + 0x2500, 0x2509, 0x250C, 0x2514, 0x2580, 0x2584, 0x25F5, 0x25F7, + 0x2600, 0x2608, 0x2680, 0x2683, 0x2693, 0x2694, 0x2700, 0x2708, + 0x2712, 0x2712, 0x2716, 0x271D, 0x2724, 0x2726, 0x2780, 0x2783, + 0x4000, 0x4003, 0x4800, 0x4805, 0x4900, 0x4900, 0x4908, 0x4908, + ~0 /* sentinel */ +}; + +static const unsigned int a220_registers[] = { + 0x0000, 0x0002, 0x0004, 0x000B, 0x003B, 0x003D, 0x0040, 0x0044, + 0x0046, 0x0047, 0x01C0, 0x01C1, 0x01C3, 0x01C8, 0x01D5, 0x01D9, + 0x01DC, 0x01DD, 0x01EA, 0x01EA, 0x01EE, 0x01F3, 0x01F6, 0x01F7, + 0x01FC, 0x01FF, 0x0391, 0x0392, 0x039B, 0x039E, 0x03B2, 0x03B5, + 0x03B7, 0x03B7, 0x03F8, 0x03FB, 0x0440, 0x0440, 0x0443, 0x0444, + 0x044B, 0x044B, 0x044D, 0x044F, 0x0452, 0x0452, 0x0454, 0x045B, + 0x047F, 0x047F, 0x0578, 0x0587, 0x05C9, 0x05C9, 0x05D0, 0x05D0, + 0x0601, 0x0604, 0x0606, 0x0609, 0x060B, 0x060E, 0x0613, 0x0614, + 0x0A29, 0x0A2B, 0x0A2F, 0x0A31, 0x0A40, 0x0A40, 0x0A42, 0x0A43, + 0x0A45, 0x0A45, 0x0A4E, 0x0A4F, 0x0C30, 0x0C30, 0x0C38, 0x0C39, + 0x0C3C, 0x0C3C, 0x0C80, 0x0C81, 0x0C88, 0x0C93, 0x0D00, 0x0D03, + 0x0D05, 0x0D06, 0x0D08, 0x0D0B, 0x0D34, 0x0D35, 0x0DAE, 0x0DC1, + 0x0DC8, 0x0DD4, 0x0DD8, 0x0DD9, 0x0E00, 0x0E00, 0x0E02, 0x0E04, + 0x0E17, 0x0E1E, 0x0EC0, 0x0EC9, 0x0ECB, 0x0ECC, 0x0ED0, 0x0ED0, + 0x0ED4, 0x0ED7, 0x0EE0, 0x0EE2, 0x0F01, 0x0F02, 0x2000, 0x2002, + 0x2006, 0x200F, 0x2080, 0x2082, 0x2100, 0x2102, 0x2104, 0x2109, + 0x210C, 0x2114, 0x2180, 0x2184, 0x21F5, 0x21F7, 0x2200, 0x2202, + 0x2204, 0x2204, 0x2208, 0x2208, 0x2280, 0x2282, 0x2294, 0x2294, + 0x2300, 0x2308, 0x2309, 0x230A, 0x2312, 0x2312, 0x2316, 0x2316, + 0x2318, 0x231D, 0x2324, 0x2326, 0x2380, 0x2383, 0x2400, 0x2402, + 0x2406, 0x240F, 0x2480, 0x2482, 0x2500, 0x2502, 0x2504, 0x2509, + 0x250C, 0x2514, 0x2580, 0x2584, 0x25F5, 0x25F7, 0x2600, 0x2602, + 0x2604, 0x2606, 0x2608, 0x2608, 0x2680, 0x2682, 0x2694, 0x2694, + 0x2700, 0x2708, 0x2712, 0x2712, 0x2716, 0x2716, 0x2718, 0x271D, + 0x2724, 0x2726, 0x2780, 0x2783, 0x4000, 0x4003, 0x4800, 0x4805, + 0x4900, 0x4900, 0x4908, 0x4908, + ~0 /* sentinel */ +}; + +static const unsigned int a225_registers[] = { + 0x0000, 0x0002, 0x0004, 0x000B, 0x003B, 0x003D, 0x0040, 0x0044, + 0x0046, 0x0047, 0x013C, 0x013C, 0x0140, 0x014F, 0x01C0, 0x01C1, + 0x01C3, 0x01C8, 0x01D5, 0x01D9, 0x01DC, 0x01DD, 0x01EA, 0x01EA, + 0x01EE, 0x01F3, 0x01F6, 0x01F7, 0x01FC, 0x01FF, 0x0391, 0x0392, + 0x039B, 0x039E, 0x03B2, 0x03B5, 0x03B7, 0x03B7, 0x03F8, 0x03FB, + 0x0440, 0x0440, 0x0443, 0x0444, 0x044B, 0x044B, 0x044D, 0x044F, + 0x0452, 0x0452, 0x0454, 0x045B, 0x047F, 0x047F, 0x0578, 0x0587, + 0x05C9, 0x05C9, 0x05D0, 0x05D0, 0x0601, 0x0604, 0x0606, 0x0609, + 0x060B, 0x060E, 0x0613, 0x0614, 0x0A29, 0x0A2B, 0x0A2F, 0x0A31, + 0x0A40, 0x0A40, 0x0A42, 0x0A43, 0x0A45, 0x0A45, 0x0A4E, 0x0A4F, + 0x0C01, 0x0C1D, 0x0C30, 0x0C30, 0x0C38, 0x0C39, 0x0C3C, 0x0C3C, + 0x0C80, 0x0C81, 0x0C88, 0x0C93, 0x0D00, 0x0D03, 0x0D05, 0x0D06, + 0x0D08, 0x0D0B, 0x0D34, 0x0D35, 0x0DAE, 0x0DC1, 0x0DC8, 0x0DD4, + 0x0DD8, 0x0DD9, 0x0E00, 0x0E00, 0x0E02, 0x0E04, 0x0E17, 0x0E1E, + 0x0EC0, 0x0EC9, 0x0ECB, 0x0ECC, 0x0ED0, 0x0ED0, 0x0ED4, 0x0ED7, + 0x0EE0, 0x0EE2, 0x0F01, 0x0F02, 0x2000, 0x200F, 0x2080, 0x2082, + 0x2100, 0x2109, 0x210C, 0x2114, 0x2180, 0x2184, 0x21F5, 0x21F7, + 0x2200, 0x2202, 0x2204, 0x2206, 0x2208, 0x2210, 0x2220, 0x2222, + 0x2280, 0x2282, 0x2294, 0x2294, 0x2297, 0x2297, 0x2300, 0x230A, + 0x2312, 0x2312, 0x2315, 0x2316, 0x2318, 0x231D, 0x2324, 0x2326, + 0x2340, 0x2357, 0x2360, 0x2360, 0x2380, 0x2383, 0x2400, 0x240F, + 0x2480, 0x2482, 0x2500, 0x2509, 0x250C, 0x2514, 0x2580, 0x2584, + 0x25F5, 0x25F7, 0x2600, 0x2602, 0x2604, 0x2606, 0x2608, 0x2610, + 0x2620, 0x2622, 0x2680, 0x2682, 0x2694, 0x2694, 0x2697, 0x2697, + 0x2700, 0x270A, 0x2712, 0x2712, 0x2715, 0x2716, 0x2718, 0x271D, + 0x2724, 0x2726, 0x2740, 0x2757, 0x2760, 0x2760, 0x2780, 0x2783, + 0x4000, 0x4003, 0x4800, 0x4806, 0x4808, 0x4808, 0x4900, 0x4900, + 0x4908, 0x4908, + ~0 /* sentinel */ +}; + +/* would be nice to not have to duplicate the _show() stuff with printk(): */ +static void a2xx_dump(struct msm_gpu *gpu) +{ + printk("status: %08x\n", + gpu_read(gpu, REG_A2XX_RBBM_STATUS)); + adreno_dump(gpu); +} + +static struct msm_gpu_state *a2xx_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_A2XX_RBBM_STATUS); + + return state; +} + +/* Register offset defines for A2XX - copy of A3XX */ +static const unsigned int a2xx_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 = a2xx_hw_init, + .pm_suspend = msm_gpu_pm_suspend, + .pm_resume = msm_gpu_pm_resume, + .recover = a2xx_recover, + .submit = adreno_submit, + .flush = adreno_flush, + .active_ring = adreno_active_ring, + .irq = a2xx_irq, + .destroy = a2xx_destroy, +#if defined(CONFIG_DEBUG_FS) || defined(CONFIG_DEV_COREDUMP) + .show = adreno_show, +#endif + .gpu_state_get = a2xx_gpu_state_get, + .gpu_state_put = adreno_gpu_state_put, + }, +}; + +static const struct msm_gpu_perfcntr perfcntrs[] = { +/* TODO */ +}; + +struct msm_gpu *a2xx_gpu_init(struct drm_device *dev) +{ + struct a2xx_gpu *a2xx_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; + int ret; + + if (!pdev) { + dev_err(dev->dev, "no a2xx device\n"); + ret = -ENXIO; + goto fail; + } + + a2xx_gpu = kzalloc(sizeof(*a2xx_gpu), GFP_KERNEL); + if (!a2xx_gpu) { + ret = -ENOMEM; + goto fail; + } + + adreno_gpu = &a2xx_gpu->base; + gpu = &adreno_gpu->base; + + gpu->perfcntrs = perfcntrs; + gpu->num_perfcntrs = ARRAY_SIZE(perfcntrs); + + if (adreno_is_a20x(adreno_gpu)) + adreno_gpu->registers = a200_registers; + else if (adreno_is_a225(adreno_gpu)) + adreno_gpu->registers = a225_registers; + else + adreno_gpu->registers = a220_registers; + + adreno_gpu->reg_offsets = a2xx_register_offsets; + + ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 1); + if (ret) + goto fail; + + if (!gpu->aspace) { + dev_err(dev->dev, "No memory protection without MMU\n"); + ret = -ENXIO; + goto fail; + } + + return gpu; + +fail: + if (a2xx_gpu) + a2xx_destroy(&a2xx_gpu->base.base); + + return ERR_PTR(ret); +} diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.h b/drivers/gpu/drm/msm/adreno/a2xx_gpu.h new file mode 100644 index 000000000000..02fba2cb8932 --- /dev/null +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.h @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2018 The Linux Foundation. All rights reserved. */ + +#ifndef __A2XX_GPU_H__ +#define __A2XX_GPU_H__ + +#include "adreno_gpu.h" + +/* arrg, somehow fb.h is getting pulled in: */ +#undef ROP_COPY +#undef ROP_XOR + +#include "a2xx.xml.h" + +struct a2xx_gpu { + struct adreno_gpu base; + bool pm_enabled; +}; +#define to_a2xx_gpu(x) container_of(x, struct a2xx_gpu, base) + +#endif /* __A2XX_GPU_H__ */ diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 86abdb2b3a9c..6e3f78d4da5d 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -27,6 +27,39 @@ module_param_named(hang_debug, hang_debug, bool, 0600);
static const struct adreno_info gpulist[] = { { + .rev = ADRENO_REV(2, 0, 0, 0), + .revn = 200, + .name = "A200", + .fw = { + [ADRENO_FW_PM4] = "yamato_pm4.fw", + [ADRENO_FW_PFP] = "yamato_pfp.fw", + }, + .gmem = SZ_256K, + .inactive_period = DRM_MSM_INACTIVE_PERIOD, + .init = a2xx_gpu_init, + }, { /* a200 on i.mx51 has only 128kib gmem */ + .rev = ADRENO_REV(2, 0, 0, 1), + .revn = 201, + .name = "A200", + .fw = { + [ADRENO_FW_PM4] = "yamato_pm4.fw", + [ADRENO_FW_PFP] = "yamato_pfp.fw", + }, + .gmem = SZ_128K, + .inactive_period = DRM_MSM_INACTIVE_PERIOD, + .init = a2xx_gpu_init, + }, { + .rev = ADRENO_REV(2, 2, 0, ANY_ID), + .revn = 220, + .name = "A220", + .fw = { + [ADRENO_FW_PM4] = "leia_pm4_470.fw", + [ADRENO_FW_PFP] = "leia_pfp_470.fw", + }, + .gmem = SZ_512K, + .inactive_period = DRM_MSM_INACTIVE_PERIOD, + .init = a2xx_gpu_init, + }, { .rev = ADRENO_REV(3, 0, 5, ANY_ID), .revn = 305, .name = "A305", diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 93d70f4a2154..e09671324b05 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -319,16 +319,27 @@ void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, */ OUT_PKT3(ring, CP_EVENT_WRITE, 1); OUT_RING(ring, HLSQ_FLUSH); - - 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 | BIT(31)); - OUT_RING(ring, rbmemptr(ring, fence)); - OUT_RING(ring, submit->seqno); + /* wait for idle before cache flush/interrupt */ + OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1); + OUT_RING(ring, 0x00000000); + + if (!adreno_is_a2xx(adreno_gpu)) { + /* 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 | BIT(31)); + OUT_RING(ring, rbmemptr(ring, fence)); + OUT_RING(ring, submit->seqno); + } else { + /* BIT(31) means something else on a2xx */ + OUT_PKT3(ring, CP_EVENT_WRITE, 3); + OUT_RING(ring, CACHE_FLUSH_TS); + OUT_RING(ring, rbmemptr(ring, fence)); + OUT_RING(ring, submit->seqno); + OUT_PKT3(ring, CP_INTERRUPT, 1); + OUT_RING(ring, 0x80000000); + }
#if 0 if (adreno_is_a3xx(adreno_gpu)) { diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index de6e6ee42fba..4adc97a91e1d 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -154,6 +154,20 @@ struct adreno_platform_config { __ret; \ })
+static inline bool adreno_is_a2xx(struct adreno_gpu *gpu) +{ + return (gpu->revn < 300); +} + +static inline bool adreno_is_a20x(struct adreno_gpu *gpu) +{ + return (gpu->revn < 210); +} + +static inline bool adreno_is_a225(struct adreno_gpu *gpu) +{ + return gpu->revn == 225; +}
static inline bool adreno_is_a3xx(struct adreno_gpu *gpu) { @@ -334,6 +348,7 @@ static inline void adreno_gpu_write(struct adreno_gpu *gpu, gpu_write(&gpu->base, reg - 1, data); }
+struct msm_gpu *a2xx_gpu_init(struct drm_device *dev); struct msm_gpu *a3xx_gpu_init(struct drm_device *dev); struct msm_gpu *a4xx_gpu_init(struct drm_device *dev); struct msm_gpu *a5xx_gpu_init(struct drm_device *dev);