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drm/msm: gpu: Add A5XX target support 

Add support for the A5XX family of Adreno GPUs.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
hifive-unleashed-5.1
Jordan Crouse 2016-11-28 12:28:33 -07:00 committed by Rob Clark
parent 4ac277cd9d
commit b5f103ab98
8 changed files with 945 additions and 9 deletions
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1
drivers/gpu/drm/msm/Makefile
View File

@ -6,6 +6,7 @@ msm-y := \
adreno/adreno_gpu.o \
adreno/a3xx_gpu.o \
adreno/a4xx_gpu.o \
adreno/a5xx_gpu.o \
hdmi/hdmi.o \
hdmi/hdmi_audio.o \
hdmi/hdmi_bridge.o \

830
drivers/gpu/drm/msm/adreno/a5xx_gpu.c 100644
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@ -0,0 +1,830 @@
/* Copyright (c) 2016 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 and
* only 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.
*
*/
#include "msm_gem.h"
#include "a5xx_gpu.h"
extern bool hang_debug;
static void a5xx_dump(struct msm_gpu *gpu);
static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
struct msm_file_private *ctx)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
struct msm_drm_private *priv = gpu->dev->dev_private;
struct msm_ringbuffer *ring = gpu->rb;
unsigned int i, ibs = 0;
for (i = 0; i < submit->nr_cmds; i++) {
switch (submit->cmd[i].type) {
case MSM_SUBMIT_CMD_IB_TARGET_BUF:
break;
case MSM_SUBMIT_CMD_CTX_RESTORE_BUF:
if (priv->lastctx == ctx)
break;
case MSM_SUBMIT_CMD_BUF:
OUT_PKT7(ring, CP_INDIRECT_BUFFER_PFE, 3);
OUT_RING(ring, lower_32_bits(submit->cmd[i].iova));
OUT_RING(ring, upper_32_bits(submit->cmd[i].iova));
OUT_RING(ring, submit->cmd[i].size);
ibs++;
break;
}
}
OUT_PKT4(ring, REG_A5XX_CP_SCRATCH_REG(2), 1);
OUT_RING(ring, submit->fence->seqno);
OUT_PKT7(ring, CP_EVENT_WRITE, 4);
OUT_RING(ring, CACHE_FLUSH_TS | (1 << 31));
OUT_RING(ring, lower_32_bits(rbmemptr(adreno_gpu, fence)));
OUT_RING(ring, upper_32_bits(rbmemptr(adreno_gpu, fence)));
OUT_RING(ring, submit->fence->seqno);
gpu->funcs->flush(gpu);
}
struct a5xx_hwcg {
u32 offset;
u32 value;
};
static const struct a5xx_hwcg a530_hwcg[] = {
{REG_A5XX_RBBM_CLOCK_CNTL_SP0, 0x02222222},
{REG_A5XX_RBBM_CLOCK_CNTL_SP1, 0x02222222},
{REG_A5XX_RBBM_CLOCK_CNTL_SP2, 0x02222222},
{REG_A5XX_RBBM_CLOCK_CNTL_SP3, 0x02222222},
{REG_A5XX_RBBM_CLOCK_CNTL2_SP0, 0x02222220},
{REG_A5XX_RBBM_CLOCK_CNTL2_SP1, 0x02222220},
{REG_A5XX_RBBM_CLOCK_CNTL2_SP2, 0x02222220},
{REG_A5XX_RBBM_CLOCK_CNTL2_SP3, 0x02222220},
{REG_A5XX_RBBM_CLOCK_HYST_SP0, 0x0000F3CF},
{REG_A5XX_RBBM_CLOCK_HYST_SP1, 0x0000F3CF},
{REG_A5XX_RBBM_CLOCK_HYST_SP2, 0x0000F3CF},
{REG_A5XX_RBBM_CLOCK_HYST_SP3, 0x0000F3CF},
{REG_A5XX_RBBM_CLOCK_DELAY_SP0, 0x00000080},
{REG_A5XX_RBBM_CLOCK_DELAY_SP1, 0x00000080},
{REG_A5XX_RBBM_CLOCK_DELAY_SP2, 0x00000080},
{REG_A5XX_RBBM_CLOCK_DELAY_SP3, 0x00000080},
{REG_A5XX_RBBM_CLOCK_CNTL_TP0, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL_TP1, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL_TP2, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL_TP3, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL2_TP1, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL2_TP2, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL2_TP3, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL3_TP0, 0x00002222},
{REG_A5XX_RBBM_CLOCK_CNTL3_TP1, 0x00002222},
{REG_A5XX_RBBM_CLOCK_CNTL3_TP2, 0x00002222},
{REG_A5XX_RBBM_CLOCK_CNTL3_TP3, 0x00002222},
{REG_A5XX_RBBM_CLOCK_HYST_TP0, 0x77777777},
{REG_A5XX_RBBM_CLOCK_HYST_TP1, 0x77777777},
{REG_A5XX_RBBM_CLOCK_HYST_TP2, 0x77777777},
{REG_A5XX_RBBM_CLOCK_HYST_TP3, 0x77777777},
{REG_A5XX_RBBM_CLOCK_HYST2_TP0, 0x77777777},
{REG_A5XX_RBBM_CLOCK_HYST2_TP1, 0x77777777},
{REG_A5XX_RBBM_CLOCK_HYST2_TP2, 0x77777777},
{REG_A5XX_RBBM_CLOCK_HYST2_TP3, 0x77777777},
{REG_A5XX_RBBM_CLOCK_HYST3_TP0, 0x00007777},
{REG_A5XX_RBBM_CLOCK_HYST3_TP1, 0x00007777},
{REG_A5XX_RBBM_CLOCK_HYST3_TP2, 0x00007777},
{REG_A5XX_RBBM_CLOCK_HYST3_TP3, 0x00007777},
{REG_A5XX_RBBM_CLOCK_DELAY_TP0, 0x11111111},
{REG_A5XX_RBBM_CLOCK_DELAY_TP1, 0x11111111},
{REG_A5XX_RBBM_CLOCK_DELAY_TP2, 0x11111111},
{REG_A5XX_RBBM_CLOCK_DELAY_TP3, 0x11111111},
{REG_A5XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111},
{REG_A5XX_RBBM_CLOCK_DELAY2_TP1, 0x11111111},
{REG_A5XX_RBBM_CLOCK_DELAY2_TP2, 0x11111111},
{REG_A5XX_RBBM_CLOCK_DELAY2_TP3, 0x11111111},
{REG_A5XX_RBBM_CLOCK_DELAY3_TP0, 0x00001111},
{REG_A5XX_RBBM_CLOCK_DELAY3_TP1, 0x00001111},
{REG_A5XX_RBBM_CLOCK_DELAY3_TP2, 0x00001111},
{REG_A5XX_RBBM_CLOCK_DELAY3_TP3, 0x00001111},
{REG_A5XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL2_UCHE, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL3_UCHE, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL4_UCHE, 0x00222222},
{REG_A5XX_RBBM_CLOCK_HYST_UCHE, 0x00444444},
{REG_A5XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002},
{REG_A5XX_RBBM_CLOCK_CNTL_RB0, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL_RB1, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL_RB2, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL_RB3, 0x22222222},
{REG_A5XX_RBBM_CLOCK_CNTL2_RB0, 0x00222222},
{REG_A5XX_RBBM_CLOCK_CNTL2_RB1, 0x00222222},
{REG_A5XX_RBBM_CLOCK_CNTL2_RB2, 0x00222222},
{REG_A5XX_RBBM_CLOCK_CNTL2_RB3, 0x00222222},
{REG_A5XX_RBBM_CLOCK_CNTL_CCU0, 0x00022220},
{REG_A5XX_RBBM_CLOCK_CNTL_CCU1, 0x00022220},
{REG_A5XX_RBBM_CLOCK_CNTL_CCU2, 0x00022220},
{REG_A5XX_RBBM_CLOCK_CNTL_CCU3, 0x00022220},
{REG_A5XX_RBBM_CLOCK_CNTL_RAC, 0x05522222},
{REG_A5XX_RBBM_CLOCK_CNTL2_RAC, 0x00505555},
{REG_A5XX_RBBM_CLOCK_HYST_RB_CCU0, 0x04040404},
{REG_A5XX_RBBM_CLOCK_HYST_RB_CCU1, 0x04040404},
{REG_A5XX_RBBM_CLOCK_HYST_RB_CCU2, 0x04040404},
{REG_A5XX_RBBM_CLOCK_HYST_RB_CCU3, 0x04040404},
{REG_A5XX_RBBM_CLOCK_HYST_RAC, 0x07444044},
{REG_A5XX_RBBM_CLOCK_DELAY_RB_CCU_L1_0, 0x00000002},
{REG_A5XX_RBBM_CLOCK_DELAY_RB_CCU_L1_1, 0x00000002},
{REG_A5XX_RBBM_CLOCK_DELAY_RB_CCU_L1_2, 0x00000002},
{REG_A5XX_RBBM_CLOCK_DELAY_RB_CCU_L1_3, 0x00000002},
{REG_A5XX_RBBM_CLOCK_DELAY_RAC, 0x00010011},
{REG_A5XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222},
{REG_A5XX_RBBM_CLOCK_MODE_GPC, 0x02222222},
{REG_A5XX_RBBM_CLOCK_MODE_VFD, 0x00002222},
{REG_A5XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000},
{REG_A5XX_RBBM_CLOCK_HYST_GPC, 0x04104004},
{REG_A5XX_RBBM_CLOCK_HYST_VFD, 0x00000000},
{REG_A5XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000},
{REG_A5XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000},
{REG_A5XX_RBBM_CLOCK_DELAY_GPC, 0x00000200},
{REG_A5XX_RBBM_CLOCK_DELAY_VFD, 0x00002222}
};
static const struct {
int (*test)(struct adreno_gpu *gpu);
const struct a5xx_hwcg *regs;
unsigned int count;
} a5xx_hwcg_regs[] = {
{ adreno_is_a530, a530_hwcg, ARRAY_SIZE(a530_hwcg), },
};
static void _a5xx_enable_hwcg(struct msm_gpu *gpu,
const struct a5xx_hwcg *regs, unsigned int count)
{
unsigned int i;
for (i = 0; i < count; i++)
gpu_write(gpu, regs[i].offset, regs[i].value);
gpu_write(gpu, REG_A5XX_RBBM_CLOCK_CNTL, 0xAAA8AA00);
gpu_write(gpu, REG_A5XX_RBBM_ISDB_CNT, 0x182);
}
static void a5xx_enable_hwcg(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
unsigned int i;
for (i = 0; i < ARRAY_SIZE(a5xx_hwcg_regs); i++) {
if (a5xx_hwcg_regs[i].test(adreno_gpu)) {
_a5xx_enable_hwcg(gpu, a5xx_hwcg_regs[i].regs,
a5xx_hwcg_regs[i].count);
return;
}
}
}
static int a5xx_me_init(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
struct msm_ringbuffer *ring = gpu->rb;
OUT_PKT7(ring, CP_ME_INIT, 8);
OUT_RING(ring, 0x0000002F);
/* Enable multiple hardware contexts */
OUT_RING(ring, 0x00000003);
/* Enable error detection */
OUT_RING(ring, 0x20000000);
/* Don't enable header dump */
OUT_RING(ring, 0x00000000);
OUT_RING(ring, 0x00000000);
/* Specify workarounds for various microcode issues */
if (adreno_is_a530(adreno_gpu)) {
/* Workaround for token end syncs
* Force a WFI after every direct-render 3D mode draw and every
* 2D mode 3 draw
*/
OUT_RING(ring, 0x0000000B);
} else {
/* No workarounds enabled */
OUT_RING(ring, 0x00000000);
}
OUT_RING(ring, 0x00000000);
OUT_RING(ring, 0x00000000);
gpu->funcs->flush(gpu);
return gpu->funcs->idle(gpu) ? 0 : -EINVAL;
}
static struct drm_gem_object *a5xx_ucode_load_bo(struct msm_gpu *gpu,
const struct firmware *fw, u64 *iova)
{
struct drm_device *drm = gpu->dev;
struct drm_gem_object *bo;
void *ptr;
mutex_lock(&drm->struct_mutex);
bo = msm_gem_new(drm, fw->size - 4, MSM_BO_UNCACHED);
mutex_unlock(&drm->struct_mutex);
if (IS_ERR(bo))
return bo;
ptr = msm_gem_get_vaddr(bo);
if (!ptr) {
drm_gem_object_unreference_unlocked(bo);
return ERR_PTR(-ENOMEM);
}
if (iova) {
int ret = msm_gem_get_iova(bo, gpu->id, iova);
if (ret) {
drm_gem_object_unreference_unlocked(bo);
return ERR_PTR(ret);
}
}
memcpy(ptr, &fw->data[4], fw->size - 4);
msm_gem_put_vaddr(bo);
return bo;
}
static int a5xx_ucode_init(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu);
int ret;
if (!a5xx_gpu->pm4_bo) {
a5xx_gpu->pm4_bo = a5xx_ucode_load_bo(gpu, adreno_gpu->pm4,
&a5xx_gpu->pm4_iova);
if (IS_ERR(a5xx_gpu->pm4_bo)) {
ret = PTR_ERR(a5xx_gpu->pm4_bo);
a5xx_gpu->pm4_bo = NULL;
dev_err(gpu->dev->dev, "could not allocate PM4: %d\n",
ret);
return ret;
}
}
if (!a5xx_gpu->pfp_bo) {
a5xx_gpu->pfp_bo = a5xx_ucode_load_bo(gpu, adreno_gpu->pfp,
&a5xx_gpu->pfp_iova);
if (IS_ERR(a5xx_gpu->pfp_bo)) {
ret = PTR_ERR(a5xx_gpu->pfp_bo);
a5xx_gpu->pfp_bo = NULL;
dev_err(gpu->dev->dev, "could not allocate PFP: %d\n",
ret);
return ret;
}
}
gpu_write64(gpu, REG_A5XX_CP_ME_INSTR_BASE_LO,
REG_A5XX_CP_ME_INSTR_BASE_HI, a5xx_gpu->pm4_iova);
gpu_write64(gpu, REG_A5XX_CP_PFP_INSTR_BASE_LO,
REG_A5XX_CP_PFP_INSTR_BASE_HI, a5xx_gpu->pfp_iova);
return 0;
}
#define A5XX_INT_MASK (A5XX_RBBM_INT_0_MASK_RBBM_AHB_ERROR | \
A5XX_RBBM_INT_0_MASK_RBBM_TRANSFER_TIMEOUT | \
A5XX_RBBM_INT_0_MASK_RBBM_ME_MS_TIMEOUT | \
A5XX_RBBM_INT_0_MASK_RBBM_PFP_MS_TIMEOUT | \
A5XX_RBBM_INT_0_MASK_RBBM_ETS_MS_TIMEOUT | \
A5XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNC_OVERFLOW | \
A5XX_RBBM_INT_0_MASK_CP_HW_ERROR | \
A5XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS | \
A5XX_RBBM_INT_0_MASK_UCHE_OOB_ACCESS | \
A5XX_RBBM_INT_0_MASK_GPMU_VOLTAGE_DROOP)
static int a5xx_hw_init(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
int ret;
gpu_write(gpu, REG_A5XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x00000003);
/* Make all blocks contribute to the GPU BUSY perf counter */
gpu_write(gpu, REG_A5XX_RBBM_PERFCTR_GPU_BUSY_MASKED, 0xFFFFFFFF);
/* Enable RBBM error reporting bits */
gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL0, 0x00000001);
if (adreno_gpu->quirks & ADRENO_QUIRK_FAULT_DETECT_MASK) {
/*
* Mask out the activity signals from RB1-3 to avoid false
* positives
*/
gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL11,
0xF0000000);
gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL12,
0xFFFFFFFF);
gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL13,
0xFFFFFFFF);
gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL14,
0xFFFFFFFF);
gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL15,
0xFFFFFFFF);
gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL16,
0xFFFFFFFF);
gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL17,
0xFFFFFFFF);
gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL18,
0xFFFFFFFF);
}
/* Enable fault detection */
gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_INT_CNTL,
(1 << 30) | 0xFFFF);
/* Turn on performance counters */
gpu_write(gpu, REG_A5XX_RBBM_PERFCTR_CNTL, 0x01);
/* Increase VFD cache access so LRZ and other data gets evicted less */
gpu_write(gpu, REG_A5XX_UCHE_CACHE_WAYS, 0x02);
/* Disable L2 bypass in the UCHE */
gpu_write(gpu, REG_A5XX_UCHE_TRAP_BASE_LO, 0xFFFF0000);
gpu_write(gpu, REG_A5XX_UCHE_TRAP_BASE_HI, 0x0001FFFF);
gpu_write(gpu, REG_A5XX_UCHE_WRITE_THRU_BASE_LO, 0xFFFF0000);
gpu_write(gpu, REG_A5XX_UCHE_WRITE_THRU_BASE_HI, 0x0001FFFF);
/* Set the GMEM VA range (0 to gpu->gmem) */
gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MIN_LO, 0x00100000);
gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MIN_HI, 0x00000000);
gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MAX_LO,
0x00100000 + adreno_gpu->gmem - 1);
gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MAX_HI, 0x00000000);
gpu_write(gpu, REG_A5XX_CP_MEQ_THRESHOLDS, 0x40);
gpu_write(gpu, REG_A5XX_CP_MERCIU_SIZE, 0x40);
gpu_write(gpu, REG_A5XX_CP_ROQ_THRESHOLDS_2, 0x80000060);
gpu_write(gpu, REG_A5XX_CP_ROQ_THRESHOLDS_1, 0x40201B16);
gpu_write(gpu, REG_A5XX_PC_DBG_ECO_CNTL, (0x400 << 11 | 0x300 << 22));
if (adreno_gpu->quirks & ADRENO_QUIRK_TWO_PASS_USE_WFI)
gpu_rmw(gpu, REG_A5XX_PC_DBG_ECO_CNTL, 0, (1 << 8));
gpu_write(gpu, REG_A5XX_PC_DBG_ECO_CNTL, 0xc0200100);
/* Enable USE_RETENTION_FLOPS */
gpu_write(gpu, REG_A5XX_CP_CHICKEN_DBG, 0x02000000);
/* Enable ME/PFP split notification */
gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL1, 0xA6FFFFFF);
/* Enable HWCG */
a5xx_enable_hwcg(gpu);
gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL2, 0x0000003F);
/* Set the highest bank bit */
gpu_write(gpu, REG_A5XX_TPL1_MODE_CNTL, 2 << 7);
gpu_write(gpu, REG_A5XX_RB_MODE_CNTL, 2 << 1);
/* Protect registers from the CP */
gpu_write(gpu, REG_A5XX_CP_PROTECT_CNTL, 0x00000007);
/* RBBM */
gpu_write(gpu, REG_A5XX_CP_PROTECT(0), ADRENO_PROTECT_RW(0x04, 4));
gpu_write(gpu, REG_A5XX_CP_PROTECT(1), ADRENO_PROTECT_RW(0x08, 8));
gpu_write(gpu, REG_A5XX_CP_PROTECT(2), ADRENO_PROTECT_RW(0x10, 16));
gpu_write(gpu, REG_A5XX_CP_PROTECT(3), ADRENO_PROTECT_RW(0x20, 32));
gpu_write(gpu, REG_A5XX_CP_PROTECT(4), ADRENO_PROTECT_RW(0x40, 64));
gpu_write(gpu, REG_A5XX_CP_PROTECT(5), ADRENO_PROTECT_RW(0x80, 64));
/* Content protect */
gpu_write(gpu, REG_A5XX_CP_PROTECT(6),
ADRENO_PROTECT_RW(REG_A5XX_RBBM_SECVID_TSB_TRUSTED_BASE_LO,
16));
gpu_write(gpu, REG_A5XX_CP_PROTECT(7),
ADRENO_PROTECT_RW(REG_A5XX_RBBM_SECVID_TRUST_CNTL, 2));
/* CP */
gpu_write(gpu, REG_A5XX_CP_PROTECT(8), ADRENO_PROTECT_RW(0x800, 64));
gpu_write(gpu, REG_A5XX_CP_PROTECT(9), ADRENO_PROTECT_RW(0x840, 8));
gpu_write(gpu, REG_A5XX_CP_PROTECT(10), ADRENO_PROTECT_RW(0x880, 32));
gpu_write(gpu, REG_A5XX_CP_PROTECT(11), ADRENO_PROTECT_RW(0xAA0, 1));
/* RB */
gpu_write(gpu, REG_A5XX_CP_PROTECT(12), ADRENO_PROTECT_RW(0xCC0, 1));
gpu_write(gpu, REG_A5XX_CP_PROTECT(13), ADRENO_PROTECT_RW(0xCF0, 2));
/* VPC */
gpu_write(gpu, REG_A5XX_CP_PROTECT(14), ADRENO_PROTECT_RW(0xE68, 8));
gpu_write(gpu, REG_A5XX_CP_PROTECT(15), ADRENO_PROTECT_RW(0xE70, 4));
/* UCHE */
gpu_write(gpu, REG_A5XX_CP_PROTECT(16), ADRENO_PROTECT_RW(0xE80, 16));
if (adreno_is_a530(adreno_gpu))
gpu_write(gpu, REG_A5XX_CP_PROTECT(17),
ADRENO_PROTECT_RW(0x10000, 0x8000));
gpu_write(gpu, REG_A5XX_RBBM_SECVID_TSB_CNTL, 0);
/*
* Disable the trusted memory range - we don't actually supported secure
* memory rendering at this point in time and we don't want to block off
* part of the virtual memory space.
*/
gpu_write64(gpu, REG_A5XX_RBBM_SECVID_TSB_TRUSTED_BASE_LO,
REG_A5XX_RBBM_SECVID_TSB_TRUSTED_BASE_HI, 0x00000000);
gpu_write(gpu, REG_A5XX_RBBM_SECVID_TSB_TRUSTED_SIZE, 0x00000000);
ret = adreno_hw_init(gpu);
if (ret)
return ret;
ret = a5xx_ucode_init(gpu);
if (ret)
return ret;
/* Disable the interrupts through the initial bringup stage */
gpu_write(gpu, REG_A5XX_RBBM_INT_0_MASK, A5XX_INT_MASK);
/* Clear ME_HALT to start the micro engine */
gpu_write(gpu, REG_A5XX_CP_PFP_ME_CNTL, 0);
ret = a5xx_me_init(gpu);
if (ret)
return ret;
/* Put the GPU into insecure mode */
gpu_write(gpu, REG_A5XX_RBBM_SECVID_TRUST_CNTL, 0x0);
/*
* Send a pipeline event stat to get misbehaving counters to start
* ticking correctly
*/
if (adreno_is_a530(adreno_gpu)) {
OUT_PKT7(gpu->rb, CP_EVENT_WRITE, 1);
OUT_RING(gpu->rb, 0x0F);
gpu->funcs->flush(gpu);
if (!gpu->funcs->idle(gpu))
return -EINVAL;
}
return 0;
}
static void a5xx_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_A5XX_CP_SCRATCH_REG(i)));
}
if (hang_debug)
a5xx_dump(gpu);
gpu_write(gpu, REG_A5XX_RBBM_SW_RESET_CMD, 1);
gpu_read(gpu, REG_A5XX_RBBM_SW_RESET_CMD);
gpu_write(gpu, REG_A5XX_RBBM_SW_RESET_CMD, 0);
adreno_recover(gpu);
}
static void a5xx_destroy(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu);
DBG("%s", gpu->name);
if (a5xx_gpu->pm4_bo) {
if (a5xx_gpu->pm4_iova)
msm_gem_put_iova(a5xx_gpu->pm4_bo, gpu->id);
drm_gem_object_unreference_unlocked(a5xx_gpu->pm4_bo);
}
if (a5xx_gpu->pfp_bo) {
if (a5xx_gpu->pfp_iova)
msm_gem_put_iova(a5xx_gpu->pfp_bo, gpu->id);
drm_gem_object_unreference_unlocked(a5xx_gpu->pfp_bo);
}
adreno_gpu_cleanup(adreno_gpu);
kfree(a5xx_gpu);
}
static inline bool _a5xx_check_idle(struct msm_gpu *gpu)
{
if (gpu_read(gpu, REG_A5XX_RBBM_STATUS) & ~A5XX_RBBM_STATUS_HI_BUSY)
return false;
/*
* Nearly every abnormality ends up pausing the GPU and triggering a
* fault so we can safely just watch for this one interrupt to fire
*/
return !(gpu_read(gpu, REG_A5XX_RBBM_INT_0_STATUS) &
A5XX_RBBM_INT_0_MASK_MISC_HANG_DETECT);
}
static bool a5xx_idle(struct msm_gpu *gpu)
{
/* wait for CP to drain ringbuffer: */
if (!adreno_idle(gpu))
return false;
if (spin_until(_a5xx_check_idle(gpu))) {
DRM_ERROR("%s: %ps: timeout waiting for GPU to idle: status %8.8X irq %8.8X\n",
gpu->name, __builtin_return_address(0),
gpu_read(gpu, REG_A5XX_RBBM_STATUS),
gpu_read(gpu, REG_A5XX_RBBM_INT_0_STATUS));
return false;
}
return true;
}
static void a5xx_cp_err_irq(struct msm_gpu *gpu)
{
u32 status = gpu_read(gpu, REG_A5XX_CP_INTERRUPT_STATUS);
if (status & A5XX_CP_INT_CP_OPCODE_ERROR) {
u32 val;
gpu_write(gpu, REG_A5XX_CP_PFP_STAT_ADDR, 0);
/*
* REG_A5XX_CP_PFP_STAT_DATA is indexed, and we want index 1 so
* read it twice
*/
gpu_read(gpu, REG_A5XX_CP_PFP_STAT_DATA);
val = gpu_read(gpu, REG_A5XX_CP_PFP_STAT_DATA);
dev_err_ratelimited(gpu->dev->dev, "CP | opcode error | possible opcode=0x%8.8X\n",
val);
}
if (status & A5XX_CP_INT_CP_HW_FAULT_ERROR)
dev_err_ratelimited(gpu->dev->dev, "CP | HW fault | status=0x%8.8X\n",
gpu_read(gpu, REG_A5XX_CP_HW_FAULT));
if (status & A5XX_CP_INT_CP_DMA_ERROR)
dev_err_ratelimited(gpu->dev->dev, "CP | DMA error\n");
if (status & A5XX_CP_INT_CP_REGISTER_PROTECTION_ERROR) {
u32 val = gpu_read(gpu, REG_A5XX_CP_PROTECT_STATUS);
dev_err_ratelimited(gpu->dev->dev,
"CP | protected mode error | %s | addr=0x%8.8X | status=0x%8.8X\n",
val & (1 << 24) ? "WRITE" : "READ",
(val & 0xFFFFF) >> 2, val);
}
if (status & A5XX_CP_INT_CP_AHB_ERROR) {
u32 status = gpu_read(gpu, REG_A5XX_CP_AHB_FAULT);
const char *access[16] = { "reserved", "reserved",
"timestamp lo", "timestamp hi", "pfp read", "pfp write",
"", "", "me read", "me write", "", "", "crashdump read",
"crashdump write" };
dev_err_ratelimited(gpu->dev->dev,
"CP | AHB error | addr=%X access=%s error=%d | status=0x%8.8X\n",
status & 0xFFFFF, access[(status >> 24) & 0xF],
(status & (1 << 31)), status);
}
}
static void a5xx_rbbm_err_irq(struct msm_gpu *gpu)
{
u32 status = gpu_read(gpu, REG_A5XX_RBBM_INT_0_STATUS);
if (status & A5XX_RBBM_INT_0_MASK_RBBM_AHB_ERROR) {
u32 val = gpu_read(gpu, REG_A5XX_RBBM_AHB_ERROR_STATUS);
dev_err_ratelimited(gpu->dev->dev,
"RBBM | AHB bus error | %s | addr=0x%X | ports=0x%X:0x%X\n",
val & (1 << 28) ? "WRITE" : "READ",
(val & 0xFFFFF) >> 2, (val >> 20) & 0x3,
(val >> 24) & 0xF);
/* Clear the error */
gpu_write(gpu, REG_A5XX_RBBM_AHB_CMD, (1 << 4));
}
if (status & A5XX_RBBM_INT_0_MASK_RBBM_TRANSFER_TIMEOUT)
dev_err_ratelimited(gpu->dev->dev, "RBBM | AHB transfer timeout\n");
if (status & A5XX_RBBM_INT_0_MASK_RBBM_ME_MS_TIMEOUT)
dev_err_ratelimited(gpu->dev->dev, "RBBM | ME master split | status=0x%X\n",
gpu_read(gpu, REG_A5XX_RBBM_AHB_ME_SPLIT_STATUS));
if (status & A5XX_RBBM_INT_0_MASK_RBBM_PFP_MS_TIMEOUT)
dev_err_ratelimited(gpu->dev->dev, "RBBM | PFP master split | status=0x%X\n",
gpu_read(gpu, REG_A5XX_RBBM_AHB_PFP_SPLIT_STATUS));
if (status & A5XX_RBBM_INT_0_MASK_RBBM_ETS_MS_TIMEOUT)
dev_err_ratelimited(gpu->dev->dev, "RBBM | ETS master split | status=0x%X\n",
gpu_read(gpu, REG_A5XX_RBBM_AHB_ETS_SPLIT_STATUS));
if (status & A5XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNC_OVERFLOW)
dev_err_ratelimited(gpu->dev->dev, "RBBM | ATB ASYNC overflow\n");
if (status & A5XX_RBBM_INT_0_MASK_RBBM_ATB_BUS_OVERFLOW)
dev_err_ratelimited(gpu->dev->dev, "RBBM | ATB bus overflow\n");
}
static void a5xx_uche_err_irq(struct msm_gpu *gpu)
{
uint64_t addr = (uint64_t) gpu_read(gpu, REG_A5XX_UCHE_TRAP_LOG_HI);
addr |= gpu_read(gpu, REG_A5XX_UCHE_TRAP_LOG_LO);
dev_err_ratelimited(gpu->dev->dev, "UCHE | Out of bounds access | addr=0x%llX\n",
addr);
}
static void a5xx_gpmu_err_irq(struct msm_gpu *gpu)
{
dev_err_ratelimited(gpu->dev->dev, "GPMU | voltage droop\n");
}
#define RBBM_ERROR_MASK \
(A5XX_RBBM_INT_0_MASK_RBBM_AHB_ERROR | \
A5XX_RBBM_INT_0_MASK_RBBM_TRANSFER_TIMEOUT | \
A5XX_RBBM_INT_0_MASK_RBBM_ME_MS_TIMEOUT | \
A5XX_RBBM_INT_0_MASK_RBBM_PFP_MS_TIMEOUT | \
A5XX_RBBM_INT_0_MASK_RBBM_ETS_MS_TIMEOUT | \
A5XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNC_OVERFLOW)
static irqreturn_t a5xx_irq(struct msm_gpu *gpu)
{
u32 status = gpu_read(gpu, REG_A5XX_RBBM_INT_0_STATUS);
gpu_write(gpu, REG_A5XX_RBBM_INT_CLEAR_CMD, status);
if (status & RBBM_ERROR_MASK)
a5xx_rbbm_err_irq(gpu);
if (status & A5XX_RBBM_INT_0_MASK_CP_HW_ERROR)
a5xx_cp_err_irq(gpu);
if (status & A5XX_RBBM_INT_0_MASK_UCHE_OOB_ACCESS)
a5xx_uche_err_irq(gpu);
if (status & A5XX_RBBM_INT_0_MASK_GPMU_VOLTAGE_DROOP)
a5xx_gpmu_err_irq(gpu);
if (status & A5XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS)
msm_gpu_retire(gpu);
return IRQ_HANDLED;
}
static const u32 a5xx_register_offsets[REG_ADRENO_REGISTER_MAX] = {
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE, REG_A5XX_CP_RB_BASE),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE_HI, REG_A5XX_CP_RB_BASE_HI),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR, REG_A5XX_CP_RB_RPTR_ADDR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR_HI,
REG_A5XX_CP_RB_RPTR_ADDR_HI),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR, REG_A5XX_CP_RB_RPTR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_WPTR, REG_A5XX_CP_RB_WPTR),
REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_A5XX_CP_RB_CNTL),
};
static const u32 a5xx_registers[] = {
0x0000, 0x0002, 0x0004, 0x0020, 0x0022, 0x0026, 0x0029, 0x002B,
0x002E, 0x0035, 0x0038, 0x0042, 0x0044, 0x0044, 0x0047, 0x0095,
0x0097, 0x00BB, 0x03A0, 0x0464, 0x0469, 0x046F, 0x04D2, 0x04D3,
0x04E0, 0x0533, 0x0540, 0x0555, 0xF400, 0xF400, 0xF800, 0xF807,
0x0800, 0x081A, 0x081F, 0x0841, 0x0860, 0x0860, 0x0880, 0x08A0,
0x0B00, 0x0B12, 0x0B15, 0x0B28, 0x0B78, 0x0B7F, 0x0BB0, 0x0BBD,
0x0BC0, 0x0BC6, 0x0BD0, 0x0C53, 0x0C60, 0x0C61, 0x0C80, 0x0C82,
0x0C84, 0x0C85, 0x0C90, 0x0C98, 0x0CA0, 0x0CA0, 0x0CB0, 0x0CB2,
0x2180, 0x2185, 0x2580, 0x2585, 0x0CC1, 0x0CC1, 0x0CC4, 0x0CC7,
0x0CCC, 0x0CCC, 0x0CD0, 0x0CD8, 0x0CE0, 0x0CE5, 0x0CE8, 0x0CE8,
0x0CEC, 0x0CF1, 0x0CFB, 0x0D0E, 0x2100, 0x211E, 0x2140, 0x2145,
0x2500, 0x251E, 0x2540, 0x2545, 0x0D10, 0x0D17, 0x0D20, 0x0D23,
0x0D30, 0x0D30, 0x20C0, 0x20C0, 0x24C0, 0x24C0, 0x0E40, 0x0E43,
0x0E4A, 0x0E4A, 0x0E50, 0x0E57, 0x0E60, 0x0E7C, 0x0E80, 0x0E8E,
0x0E90, 0x0E96, 0x0EA0, 0x0EA8, 0x0EB0, 0x0EB2, 0xE140, 0xE147,
0xE150, 0xE187, 0xE1A0, 0xE1A9, 0xE1B0, 0xE1B6, 0xE1C0, 0xE1C7,
0xE1D0, 0xE1D1, 0xE200, 0xE201, 0xE210, 0xE21C, 0xE240, 0xE268,
0xE000, 0xE006, 0xE010, 0xE09A, 0xE0A0, 0xE0A4, 0xE0AA, 0xE0EB,
0xE100, 0xE105, 0xE380, 0xE38F, 0xE3B0, 0xE3B0, 0xE400, 0xE405,
0xE408, 0xE4E9, 0xE4F0, 0xE4F0, 0xE280, 0xE280, 0xE282, 0xE2A3,
0xE2A5, 0xE2C2, 0xE940, 0xE947, 0xE950, 0xE987, 0xE9A0, 0xE9A9,
0xE9B0, 0xE9B6, 0xE9C0, 0xE9C7, 0xE9D0, 0xE9D1, 0xEA00, 0xEA01,
0xEA10, 0xEA1C, 0xEA40, 0xEA68, 0xE800, 0xE806, 0xE810, 0xE89A,
0xE8A0, 0xE8A4, 0xE8AA, 0xE8EB, 0xE900, 0xE905, 0xEB80, 0xEB8F,
0xEBB0, 0xEBB0, 0xEC00, 0xEC05, 0xEC08, 0xECE9, 0xECF0, 0xECF0,
0xEA80, 0xEA80, 0xEA82, 0xEAA3, 0xEAA5, 0xEAC2, 0xA800, 0xA8FF,
0xAC60, 0xAC60, 0xB000, 0xB97F, 0xB9A0, 0xB9BF,
~0
};
static void a5xx_dump(struct msm_gpu *gpu)
{
dev_info(gpu->dev->dev, "status: %08x\n",
gpu_read(gpu, REG_A5XX_RBBM_STATUS));
adreno_dump(gpu);
}
static int a5xx_pm_resume(struct msm_gpu *gpu)
{
return msm_gpu_pm_resume(gpu);
}
static int a5xx_pm_suspend(struct msm_gpu *gpu)
{
return msm_gpu_pm_suspend(gpu);
}
static int a5xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value)
{
*value = gpu_read64(gpu, REG_A5XX_RBBM_PERFCTR_CP_0_LO,
REG_A5XX_RBBM_PERFCTR_CP_0_HI);
return 0;
}
#ifdef CONFIG_DEBUG_FS
static void a5xx_show(struct msm_gpu *gpu, struct seq_file *m)
{
gpu->funcs->pm_resume(gpu);
seq_printf(m, "status: %08x\n",
gpu_read(gpu, REG_A5XX_RBBM_STATUS));
gpu->funcs->pm_suspend(gpu);
adreno_show(gpu, m);
}
#endif
static const struct adreno_gpu_funcs funcs = {
.base = {
.get_param = adreno_get_param,
.hw_init = a5xx_hw_init,
.pm_suspend = a5xx_pm_suspend,
.pm_resume = a5xx_pm_resume,
.recover = a5xx_recover,
.last_fence = adreno_last_fence,
.submit = a5xx_submit,
.flush = adreno_flush,
.idle = a5xx_idle,
.irq = a5xx_irq,
.destroy = a5xx_destroy,
.show = a5xx_show,
},
.get_timestamp = a5xx_get_timestamp,
};
struct msm_gpu *a5xx_gpu_init(struct drm_device *dev)
{
struct msm_drm_private *priv = dev->dev_private;
struct platform_device *pdev = priv->gpu_pdev;
struct a5xx_gpu *a5xx_gpu = NULL;
struct adreno_gpu *adreno_gpu;
struct msm_gpu *gpu;
int ret;
if (!pdev) {
dev_err(dev->dev, "No A5XX device is defined\n");
return ERR_PTR(-ENXIO);
}
a5xx_gpu = kzalloc(sizeof(*a5xx_gpu), GFP_KERNEL);
if (!a5xx_gpu)
return ERR_PTR(-ENOMEM);
adreno_gpu = &a5xx_gpu->base;
gpu = &adreno_gpu->base;
a5xx_gpu->pdev = pdev;
adreno_gpu->registers = a5xx_registers;
adreno_gpu->reg_offsets = a5xx_register_offsets;
ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs);
if (ret) {
a5xx_destroy(&(a5xx_gpu->base.base));
return ERR_PTR(ret);
}
return gpu;
}

37
drivers/gpu/drm/msm/adreno/a5xx_gpu.h 100644
View File

@ -0,0 +1,37 @@
/* Copyright (c) 2016 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 and
* only 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.
*
*/
#ifndef __A5XX_GPU_H__
#define __A5XX_GPU_H__
#include "adreno_gpu.h"
/* Bringing over the hack from the previous targets */
#undef ROP_COPY
#undef ROP_XOR
#include "a5xx.xml.h"
struct a5xx_gpu {
struct adreno_gpu base;
struct platform_device *pdev;
struct drm_gem_object *pm4_bo;
uint64_t pm4_iova;
struct drm_gem_object *pfp_bo;
uint64_t pfp_iova;
};
#define to_a5xx_gpu(x) container_of(x, struct a5xx_gpu, base)
#endif /* __A5XX_GPU_H__ */

24
drivers/gpu/drm/msm/adreno/adreno_device.c
View File

@ -74,6 +74,14 @@ static const struct adreno_info gpulist[] = {
.pfpfw = "a420_pfp.fw",
.gmem = (SZ_1M + SZ_512K),
.init = a4xx_gpu_init,
}, {
.rev = ADRENO_REV(5, 3, 0, ANY_ID),
.revn = 530,
.name = "A530",
.pm4fw = "a530_pm4.fw",
.pfpfw = "a530_pfp.fw",
.gmem = SZ_1M,
.init = a5xx_gpu_init,
},
};
@ -83,6 +91,8 @@ MODULE_FIRMWARE("a330_pm4.fw");
MODULE_FIRMWARE("a330_pfp.fw");
MODULE_FIRMWARE("a420_pm4.fw");
MODULE_FIRMWARE("a420_pfp.fw");
MODULE_FIRMWARE("a530_fm4.fw");
MODULE_FIRMWARE("a530_pfp.fw");
static inline bool _rev_match(uint8_t entry, uint8_t id)
{
@ -170,12 +180,20 @@ static void set_gpu_pdev(struct drm_device *dev,
priv->gpu_pdev = pdev;
}
static const struct {
const char *str;
uint32_t flag;
} quirks[] = {
{ "qcom,gpu-quirk-two-pass-use-wfi", ADRENO_QUIRK_TWO_PASS_USE_WFI },
{ "qcom,gpu-quirk-fault-detect-mask", ADRENO_QUIRK_FAULT_DETECT_MASK },
};
static int adreno_bind(struct device *dev, struct device *master, void *data)
{
static struct adreno_platform_config config = {};
struct device_node *child, *node = dev->of_node;
u32 val;
int ret;
int ret, i;
ret = of_property_read_u32(node, "qcom,chipid", &val);
if (ret) {
@ -209,6 +227,10 @@ static int adreno_bind(struct device *dev, struct device *master, void *data)
return -ENXIO;
}
for (i = 0; i < ARRAY_SIZE(quirks); i++)
if (of_property_read_bool(node, quirks[i].str))
config.quirks |= quirks[i].flag;
dev->platform_data = &config;
set_gpu_pdev(dev_get_drvdata(master), to_platform_device(dev));
return 0;

6
drivers/gpu/drm/msm/adreno/adreno_gpu.c
View File

@ -22,7 +22,7 @@
#include "msm_mmu.h"
#define RB_SIZE SZ_32K
#define RB_BLKSIZE 16
#define RB_BLKSIZE 32
int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value)
{
@ -54,9 +54,6 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value)
}
}
#define rbmemptr(adreno_gpu, member) \
((adreno_gpu)->memptrs_iova + offsetof(struct adreno_rbmemptrs, member))
int adreno_hw_init(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
@ -349,6 +346,7 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
adreno_gpu->gmem = adreno_gpu->info->gmem;
adreno_gpu->revn = adreno_gpu->info->revn;
adreno_gpu->rev = config->rev;
adreno_gpu->quirks = config->quirks;
gpu->fast_rate = config->fast_rate;
gpu->slow_rate = config->slow_rate;

41
drivers/gpu/drm/msm/adreno/adreno_gpu.h
View File

@ -48,6 +48,11 @@ enum adreno_regs {
REG_ADRENO_REGISTER_MAX,
};
enum adreno_quirks {
ADRENO_QUIRK_TWO_PASS_USE_WFI = 1,
ADRENO_QUIRK_FAULT_DETECT_MASK = 2,
};
struct adreno_rev {
uint8_t core;
uint8_t major;
@ -74,6 +79,9 @@ struct adreno_info {
const struct adreno_info *adreno_info(struct adreno_rev rev);
#define rbmemptr(adreno_gpu, member) \
((adreno_gpu)->memptrs_iova + offsetof(struct adreno_rbmemptrs, member))
struct adreno_rbmemptrs {
volatile uint32_t rptr;
volatile uint32_t wptr;
@ -107,6 +115,8 @@ struct adreno_gpu {
* code (a3xx_gpu.c) and stored in this common location.
*/
const unsigned int *reg_offsets;
uint32_t quirks;
};
#define to_adreno_gpu(x) container_of(x, struct adreno_gpu, base)
@ -117,6 +127,7 @@ struct adreno_platform_config {
#ifdef DOWNSTREAM_CONFIG_MSM_BUS_SCALING
struct msm_bus_scale_pdata *bus_scale_table;
#endif
uint32_t quirks;
};
#define ADRENO_IDLE_TIMEOUT msecs_to_jiffies(1000)
@ -180,6 +191,11 @@ static inline int adreno_is_a430(struct adreno_gpu *gpu)
return gpu->revn == 430;
}
static inline int adreno_is_a530(struct adreno_gpu *gpu)
{
return gpu->revn == 530;
}
int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value);
int adreno_hw_init(struct msm_gpu *gpu);
uint32_t adreno_last_fence(struct msm_gpu *gpu);
@ -299,6 +315,7 @@ static inline void adreno_gpu_write(struct adreno_gpu *gpu,
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);
static inline void adreno_gpu_write64(struct adreno_gpu *gpu,
enum adreno_regs lo, enum adreno_regs hi, u64 data)
@ -307,4 +324,28 @@ static inline void adreno_gpu_write64(struct adreno_gpu *gpu,
adreno_gpu_write(gpu, hi, upper_32_bits(data));
}
/*
* Given a register and a count, return a value to program into
* REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len
* registers starting at _reg.
*
* The register base needs to be a multiple of the length. If it is not, the
* hardware will quietly mask off the bits for you and shift the size. For
* example, if you intend the protection to start at 0x07 for a length of 4
* (0x07-0x0A) the hardware will actually protect (0x04-0x07) which might
* expose registers you intended to protect!
*/
#define ADRENO_PROTECT_RW(_reg, _len) \
((1 << 30) | (1 << 29) | \
((ilog2((_len)) & 0x1F) << 24) | (((_reg) << 2) & 0xFFFFF))
/*
* Same as above, but allow reads over the range. For areas of mixed use (such
* as performance counters) this allows us to protect a much larger range with a
* single register
*/
#define ADRENO_PROTECT_RDONLY(_reg, _len) \
((1 << 29) \
((ilog2((_len)) & 0x1F) << 24) | (((_reg) << 2) & 0xFFFFF))
#endif /* __ADRENO_GPU_H__ */

13
drivers/gpu/drm/msm/msm_gpu.c
View File

@ -96,6 +96,10 @@ static int enable_clk(struct msm_gpu *gpu)
if (gpu->grp_clks[0] && gpu->fast_rate)
clk_set_rate(gpu->grp_clks[0], gpu->fast_rate);
/* Set the RBBM timer rate to 19.2Mhz */
if (gpu->grp_clks[2])
clk_set_rate(gpu->grp_clks[2], 19200000);
for (i = ARRAY_SIZE(gpu->grp_clks) - 1; i >= 0; i--)
if (gpu->grp_clks[i])
clk_prepare(gpu->grp_clks[i]);
@ -122,6 +126,9 @@ static int disable_clk(struct msm_gpu *gpu)
if (gpu->grp_clks[0] && gpu->slow_rate)
clk_set_rate(gpu->grp_clks[0], gpu->slow_rate);
if (gpu->grp_clks[2])
clk_set_rate(gpu->grp_clks[2], 0);
return 0;
}
@ -553,8 +560,8 @@ static irqreturn_t irq_handler(int irq, void *data)
}
static const char *clk_names[] = {
"core_clk", "iface_clk", "mem_clk", "mem_iface_clk",
"alt_mem_iface_clk",
"core_clk", "iface_clk", "rbbmtimer_clk", "mem_clk",
"mem_iface_clk", "alt_mem_iface_clk",
};
int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
@ -647,7 +654,7 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev,
iommu = iommu_domain_alloc(&platform_bus_type);
if (iommu) {
/* TODO 32b vs 64b address space.. */
iommu->geometry.aperture_start = 0x1000;
iommu->geometry.aperture_start = SZ_16M;
iommu->geometry.aperture_end = 0xffffffff;
dev_info(drm->dev, "%s: using IOMMU\n", name);

2
drivers/gpu/drm/msm/msm_gpu.h
View File

@ -103,7 +103,7 @@ struct msm_gpu {
/* Power Control: */
struct regulator *gpu_reg, *gpu_cx;
struct clk *ebi1_clk, *grp_clks[5];
struct clk *ebi1_clk, *grp_clks[6];
uint32_t fast_rate, slow_rate, bus_freq;
#ifdef DOWNSTREAM_CONFIG_MSM_BUS_SCALING