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path: root/drivers/gpu/drm/msm/adreno/adreno_gpu.c
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Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.c')
-rw-r--r--drivers/gpu/drm/msm/adreno/adreno_gpu.c584
1 files changed, 439 insertions, 145 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 9f5a30234b33..1c80909e63ca 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -8,18 +8,23 @@
#include <linux/ascii85.h>
#include <linux/interconnect.h>
-#include <linux/qcom_scm.h>
+#include <linux/firmware/qcom/qcom_scm.h>
#include <linux/kernel.h>
-#include <linux/of_address.h>
+#include <linux/of_reserved_mem.h>
#include <linux/pm_opp.h>
#include <linux/slab.h>
#include <linux/soc/qcom/mdt_loader.h>
+#include <linux/nvmem-consumer.h>
#include <soc/qcom/ocmem.h>
#include "adreno_gpu.h"
#include "a6xx_gpu.h"
#include "msm_gem.h"
#include "msm_mmu.h"
+static u64 address_space_size = 0;
+MODULE_PARM_DESC(address_space_size, "Override for size of processes private GPU address space");
+module_param(address_space_size, ullong, 0600);
+
static bool zap_available = true;
static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname,
@@ -28,7 +33,7 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname,
struct device *dev = &gpu->pdev->dev;
const struct firmware *fw;
const char *signed_fwname = NULL;
- struct device_node *np, *mem_np;
+ struct device_node *np;
struct resource r;
phys_addr_t mem_phys;
ssize_t mem_size;
@@ -41,23 +46,16 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname,
}
np = of_get_child_by_name(dev->of_node, "zap-shader");
- if (!np) {
+ if (!of_device_is_available(np)) {
zap_available = false;
return -ENODEV;
}
- mem_np = of_parse_phandle(np, "memory-region", 0);
- of_node_put(np);
- if (!mem_np) {
+ ret = of_reserved_mem_region_to_resource(np, 0, &r);
+ if (ret) {
zap_available = false;
- return -EINVAL;
- }
-
- ret = of_address_to_resource(mem_np, 0, &r);
- of_node_put(mem_np);
- if (ret)
return ret;
-
+ }
mem_phys = r.start;
/*
@@ -94,7 +92,7 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname,
* was a bad idea, and is only provided for backwards
* compatibility for older targets.
*/
- return -ENODEV;
+ return -ENOENT;
}
if (IS_ERR(fw)) {
@@ -186,66 +184,208 @@ int adreno_zap_shader_load(struct msm_gpu *gpu, u32 pasid)
return zap_shader_load_mdt(gpu, adreno_gpu->info->zapfw, pasid);
}
-void adreno_set_llc_attributes(struct iommu_domain *iommu)
+struct drm_gpuvm *
+adreno_create_vm(struct msm_gpu *gpu,
+ struct platform_device *pdev)
{
- iommu_set_pgtable_quirks(iommu, IO_PGTABLE_QUIRK_ARM_OUTER_WBWA);
+ return adreno_iommu_create_vm(gpu, pdev, 0);
}
-struct msm_gem_address_space *
-adreno_iommu_create_address_space(struct msm_gpu *gpu,
- struct platform_device *pdev)
+struct drm_gpuvm *
+adreno_iommu_create_vm(struct msm_gpu *gpu,
+ struct platform_device *pdev,
+ unsigned long quirks)
{
- struct iommu_domain *iommu;
+ struct iommu_domain_geometry *geometry;
struct msm_mmu *mmu;
- struct msm_gem_address_space *aspace;
+ struct drm_gpuvm *vm;
u64 start, size;
- iommu = iommu_domain_alloc(&platform_bus_type);
- if (!iommu)
- return NULL;
-
- mmu = msm_iommu_new(&pdev->dev, iommu);
- if (IS_ERR(mmu)) {
- iommu_domain_free(iommu);
+ mmu = msm_iommu_gpu_new(&pdev->dev, gpu, quirks);
+ if (IS_ERR(mmu))
return ERR_CAST(mmu);
- }
+
+ geometry = msm_iommu_get_geometry(mmu);
+ if (IS_ERR(geometry))
+ return ERR_CAST(geometry);
/*
* Use the aperture start or SZ_16M, whichever is greater. This will
* ensure that we align with the allocated pagetable range while still
* allowing room in the lower 32 bits for GMEM and whatnot
*/
- start = max_t(u64, SZ_16M, iommu->geometry.aperture_start);
- size = iommu->geometry.aperture_end - start + 1;
+ start = max_t(u64, SZ_16M, geometry->aperture_start);
+ size = geometry->aperture_end - start + 1;
- aspace = msm_gem_address_space_create(mmu, "gpu",
- start & GENMASK_ULL(48, 0), size);
+ vm = msm_gem_vm_create(gpu->dev, mmu, "gpu", start & GENMASK_ULL(48, 0),
+ size, true);
- if (IS_ERR(aspace) && !IS_ERR(mmu))
+ if (IS_ERR(vm) && !IS_ERR(mmu))
mmu->funcs->destroy(mmu);
- return aspace;
+ return vm;
+}
+
+u64 adreno_private_vm_size(struct msm_gpu *gpu)
+{
+ struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
+ struct adreno_smmu_priv *adreno_smmu = dev_get_drvdata(&gpu->pdev->dev);
+ const struct io_pgtable_cfg *ttbr1_cfg;
+
+ if (address_space_size)
+ return address_space_size;
+
+ if (adreno_gpu->info->quirks & ADRENO_QUIRK_4GB_VA)
+ return SZ_4G;
+
+ if (!adreno_smmu || !adreno_smmu->get_ttbr1_cfg)
+ return SZ_4G;
+
+ ttbr1_cfg = adreno_smmu->get_ttbr1_cfg(adreno_smmu->cookie);
+
+ /*
+ * Userspace VM is actually using TTBR0, but both are the same size,
+ * with b48 (sign bit) selecting which TTBRn to use. So if IAS is
+ * 48, the total (kernel+user) address space size is effectively
+ * 49 bits. But what userspace is control of is the lower 48.
+ */
+ return BIT(ttbr1_cfg->ias) - ADRENO_VM_START;
+}
+
+void adreno_check_and_reenable_stall(struct adreno_gpu *adreno_gpu)
+{
+ struct msm_gpu *gpu = &adreno_gpu->base;
+ struct msm_drm_private *priv = gpu->dev->dev_private;
+ unsigned long flags;
+
+ /*
+ * Wait until the cooldown period has passed and we would actually
+ * collect a crashdump to re-enable stall-on-fault.
+ */
+ spin_lock_irqsave(&priv->fault_stall_lock, flags);
+ if (!priv->stall_enabled &&
+ ktime_after(ktime_get(), priv->stall_reenable_time) &&
+ !READ_ONCE(gpu->crashstate)) {
+ struct msm_mmu *mmu = to_msm_vm(gpu->vm)->mmu;
+
+ priv->stall_enabled = true;
+
+ mmu->funcs->set_stall(mmu, true);
+ }
+ spin_unlock_irqrestore(&priv->fault_stall_lock, flags);
+}
+
+#define ARM_SMMU_FSR_TF BIT(1)
+#define ARM_SMMU_FSR_PF BIT(3)
+#define ARM_SMMU_FSR_EF BIT(4)
+#define ARM_SMMU_FSR_SS BIT(30)
+
+int adreno_fault_handler(struct msm_gpu *gpu, unsigned long iova, int flags,
+ struct adreno_smmu_fault_info *info, const char *block,
+ u32 scratch[4])
+{
+ struct adreno_gpu *adreno_gpu = container_of(gpu, struct adreno_gpu, base);
+ struct msm_drm_private *priv = gpu->dev->dev_private;
+ struct msm_mmu *mmu = to_msm_vm(gpu->vm)->mmu;
+ const char *type = "UNKNOWN";
+ bool do_devcoredump = info && (info->fsr & ARM_SMMU_FSR_SS) &&
+ !READ_ONCE(gpu->crashstate);
+ unsigned long irq_flags;
+
+ /*
+ * In case there is a subsequent storm of pagefaults, disable
+ * stall-on-fault for at least half a second.
+ */
+ spin_lock_irqsave(&priv->fault_stall_lock, irq_flags);
+ if (priv->stall_enabled) {
+ priv->stall_enabled = false;
+
+ mmu->funcs->set_stall(mmu, false);
+ }
+
+ priv->stall_reenable_time = ktime_add_ms(ktime_get(), 500);
+ spin_unlock_irqrestore(&priv->fault_stall_lock, irq_flags);
+
+ /*
+ * Print a default message if we couldn't get the data from the
+ * adreno-smmu-priv
+ */
+ if (!info) {
+ pr_warn_ratelimited("*** gpu fault: iova=%.16lx flags=%d (%u,%u,%u,%u)\n",
+ iova, flags,
+ scratch[0], scratch[1], scratch[2], scratch[3]);
+
+ return 0;
+ }
+
+ if (info->fsr & ARM_SMMU_FSR_TF)
+ type = "TRANSLATION";
+ else if (info->fsr & ARM_SMMU_FSR_PF)
+ type = "PERMISSION";
+ else if (info->fsr & ARM_SMMU_FSR_EF)
+ type = "EXTERNAL";
+
+ pr_warn_ratelimited("*** gpu fault: ttbr0=%.16llx iova=%.16lx dir=%s type=%s source=%s (%u,%u,%u,%u)\n",
+ info->ttbr0, iova,
+ flags & IOMMU_FAULT_WRITE ? "WRITE" : "READ",
+ type, block,
+ scratch[0], scratch[1], scratch[2], scratch[3]);
+
+ if (do_devcoredump) {
+ struct msm_gpu_fault_info fault_info = {};
+
+ /* Turn off the hangcheck timer to keep it from bothering us */
+ timer_delete(&gpu->hangcheck_timer);
+
+ /* Let any concurrent GMU transactions know that the MMU may be
+ * blocked for a while and they should wait on us.
+ */
+ reinit_completion(&adreno_gpu->fault_coredump_done);
+
+ fault_info.ttbr0 = info->ttbr0;
+ fault_info.iova = iova;
+ fault_info.flags = flags;
+ fault_info.type = type;
+ fault_info.block = block;
+
+ msm_gpu_fault_crashstate_capture(gpu, &fault_info);
+
+ complete_all(&adreno_gpu->fault_coredump_done);
+ }
+
+ return 0;
}
-int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value)
+int adreno_get_param(struct msm_gpu *gpu, struct msm_context *ctx,
+ uint32_t param, uint64_t *value, uint32_t *len)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
+ struct drm_device *drm = gpu->dev;
+ /* Note ctx can be NULL when called from rd_open(): */
+ struct drm_gpuvm *vm = ctx ? msm_context_vm(drm, ctx) : NULL;
+
+ /* No pointer params yet */
+ if (*len != 0)
+ return UERR(EINVAL, drm, "invalid len");
switch (param) {
case MSM_PARAM_GPU_ID:
*value = adreno_gpu->info->revn;
return 0;
case MSM_PARAM_GMEM_SIZE:
- *value = adreno_gpu->gmem;
+ *value = adreno_gpu->info->gmem;
return 0;
case MSM_PARAM_GMEM_BASE:
- *value = !adreno_is_a650_family(adreno_gpu) ? 0x100000 : 0;
+ if (adreno_is_a650_family(adreno_gpu) ||
+ adreno_is_a740_family(adreno_gpu))
+ *value = 0;
+ else
+ *value = 0x100000;
return 0;
case MSM_PARAM_CHIP_ID:
- *value = adreno_gpu->rev.patchid |
- (adreno_gpu->rev.minor << 8) |
- (adreno_gpu->rev.major << 16) |
- (adreno_gpu->rev.core << 24);
+ *value = adreno_gpu->chip_id;
+ if (!adreno_gpu->info->revn)
+ *value |= ((uint64_t) adreno_gpu->speedbin) << 32;
return 0;
case MSM_PARAM_MAX_FREQ:
*value = adreno_gpu->base.fast_rate;
@@ -261,21 +401,118 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value)
return ret;
}
return -EINVAL;
- case MSM_PARAM_NR_RINGS:
- *value = gpu->nr_rings;
+ case MSM_PARAM_PRIORITIES:
+ *value = gpu->nr_rings * NR_SCHED_PRIORITIES;
return 0;
case MSM_PARAM_PP_PGTABLE:
*value = 0;
return 0;
case MSM_PARAM_FAULTS:
- *value = gpu->global_faults;
+ if (vm)
+ *value = gpu->global_faults + to_msm_vm(vm)->faults;
+ else
+ *value = gpu->global_faults;
return 0;
case MSM_PARAM_SUSPENDS:
*value = gpu->suspend_count;
return 0;
+ case MSM_PARAM_VA_START:
+ if (vm == gpu->vm)
+ return UERR(EINVAL, drm, "requires per-process pgtables");
+ *value = vm->mm_start;
+ return 0;
+ case MSM_PARAM_VA_SIZE:
+ if (vm == gpu->vm)
+ return UERR(EINVAL, drm, "requires per-process pgtables");
+ *value = vm->mm_range;
+ return 0;
+ case MSM_PARAM_HIGHEST_BANK_BIT:
+ *value = adreno_gpu->ubwc_config->highest_bank_bit;
+ return 0;
+ case MSM_PARAM_RAYTRACING:
+ *value = adreno_gpu->has_ray_tracing;
+ return 0;
+ case MSM_PARAM_UBWC_SWIZZLE:
+ *value = adreno_gpu->ubwc_config->ubwc_swizzle;
+ return 0;
+ case MSM_PARAM_MACROTILE_MODE:
+ *value = adreno_gpu->ubwc_config->macrotile_mode;
+ return 0;
+ case MSM_PARAM_UCHE_TRAP_BASE:
+ *value = adreno_gpu->uche_trap_base;
+ return 0;
+ case MSM_PARAM_HAS_PRR:
+ *value = adreno_smmu_has_prr(gpu);
+ return 0;
default:
- DBG("%s: invalid param: %u", gpu->name, param);
- return -EINVAL;
+ return UERR(EINVAL, drm, "%s: invalid param: %u", gpu->name, param);
+ }
+}
+
+int adreno_set_param(struct msm_gpu *gpu, struct msm_context *ctx,
+ uint32_t param, uint64_t value, uint32_t len)
+{
+ struct drm_device *drm = gpu->dev;
+
+ switch (param) {
+ case MSM_PARAM_COMM:
+ case MSM_PARAM_CMDLINE:
+ /* kstrdup_quotable_cmdline() limits to PAGE_SIZE, so
+ * that should be a reasonable upper bound
+ */
+ if (len > PAGE_SIZE)
+ return UERR(EINVAL, drm, "invalid len");
+ break;
+ default:
+ if (len != 0)
+ return UERR(EINVAL, drm, "invalid len");
+ }
+
+ switch (param) {
+ case MSM_PARAM_COMM:
+ case MSM_PARAM_CMDLINE: {
+ char *str, **paramp;
+
+ str = memdup_user_nul(u64_to_user_ptr(value), len);
+ if (IS_ERR(str))
+ return PTR_ERR(str);
+
+ mutex_lock(&gpu->lock);
+
+ if (param == MSM_PARAM_COMM) {
+ paramp = &ctx->comm;
+ } else {
+ paramp = &ctx->cmdline;
+ }
+
+ kfree(*paramp);
+ *paramp = str;
+
+ mutex_unlock(&gpu->lock);
+
+ return 0;
+ }
+ case MSM_PARAM_SYSPROF:
+ if (!capable(CAP_SYS_ADMIN))
+ return UERR(EPERM, drm, "invalid permissions");
+ return msm_context_set_sysprof(ctx, gpu, value);
+ case MSM_PARAM_EN_VM_BIND:
+ /* We can only support VM_BIND with per-process pgtables: */
+ if (ctx->vm == gpu->vm)
+ return UERR(EINVAL, drm, "requires per-process pgtables");
+
+ /*
+ * We can only swtich to VM_BIND mode if the VM has not yet
+ * been created:
+ */
+ if (ctx->vm)
+ return UERR(EBUSY, drm, "VM already created");
+
+ ctx->userspace_managed_vm = value;
+
+ return 0;
+ default:
+ return UERR(EINVAL, drm, "%s: invalid param: %u", gpu->name, param);
}
}
@@ -321,7 +558,7 @@ adreno_request_fw(struct adreno_gpu *adreno_gpu, const char *fwname)
ret = request_firmware_direct(&fw, fwname, drm->dev);
if (!ret) {
DRM_DEV_INFO(drm->dev, "loaded %s from legacy location\n",
- newname);
+ fwname);
adreno_gpu->fwloc = FW_LOCATION_LEGACY;
goto out;
} else if (adreno_gpu->fwloc != FW_LOCATION_UNKNOWN) {
@@ -370,6 +607,10 @@ int adreno_load_fw(struct adreno_gpu *adreno_gpu)
if (!adreno_gpu->info->fw[i])
continue;
+ /* Skip loading GMU firmware with GMU Wrapper */
+ if (adreno_has_gmu_wrapper(adreno_gpu) && i == ADRENO_FW_GMU)
+ continue;
+
/* Skip if the firmware has already been loaded */
if (adreno_gpu->fw[i])
continue;
@@ -390,8 +631,8 @@ struct drm_gem_object *adreno_fw_create_bo(struct msm_gpu *gpu,
struct drm_gem_object *bo;
void *ptr;
- ptr = msm_gem_kernel_new_locked(gpu->dev, fw->size - 4,
- MSM_BO_WC | MSM_BO_GPU_READONLY, gpu->aspace, &bo, iova);
+ ptr = msm_gem_kernel_new(gpu->dev, fw->size - 4,
+ MSM_BO_WC | MSM_BO_GPU_READONLY, gpu->vm, &bo, iova);
if (IS_ERR(ptr))
return ERR_CAST(ptr);
@@ -406,15 +647,19 @@ struct drm_gem_object *adreno_fw_create_bo(struct msm_gpu *gpu,
int adreno_hw_init(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
- int ret, i;
+ int ret;
VERB("%s", gpu->name);
- ret = adreno_load_fw(adreno_gpu);
- if (ret)
- return ret;
+ if (adreno_gpu->info->family >= ADRENO_6XX_GEN1 &&
+ qcom_scm_set_gpu_smmu_aperture_is_available()) {
+ /* We currently always use context bank 0, so hard code this */
+ ret = qcom_scm_set_gpu_smmu_aperture(0);
+ if (ret)
+ DRM_DEV_ERROR(gpu->dev->dev, "unable to set SMMU aperture: %d\n", ret);
+ }
- for (i = 0; i < gpu->nr_rings; i++) {
+ for (int i = 0; i < gpu->nr_rings; i++) {
struct msm_ringbuffer *ring = gpu->rb[i];
if (!ring)
@@ -422,10 +667,16 @@ int adreno_hw_init(struct msm_gpu *gpu)
ring->cur = ring->start;
ring->next = ring->start;
-
- /* reset completed fence seqno: */
- ring->memptrs->fence = ring->fctx->completed_fence;
ring->memptrs->rptr = 0;
+ ring->memptrs->bv_fence = ring->fctx->completed_fence;
+
+ /* Detect and clean up an impossible fence, ie. if GPU managed
+ * to scribble something invalid, we don't want that to confuse
+ * us into mistakingly believing that submits have completed.
+ */
+ if (fence_before(ring->fctx->last_fence, ring->memptrs->fence)) {
+ ring->memptrs->fence = ring->fctx->last_fence;
+ }
}
return 0;
@@ -504,6 +755,8 @@ int adreno_gpu_state_get(struct msm_gpu *gpu, struct msm_gpu_state *state)
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
int i, count = 0;
+ WARN_ON(!mutex_is_locked(&gpu->lock));
+
kref_init(&state->ref);
ktime_get_real_ts64(&state->time);
@@ -513,7 +766,7 @@ int adreno_gpu_state_get(struct msm_gpu *gpu, struct msm_gpu_state *state)
state->ring[i].fence = gpu->rb[i]->memptrs->fence;
state->ring[i].iova = gpu->rb[i]->iova;
- state->ring[i].seqno = gpu->rb[i]->seqno;
+ state->ring[i].seqno = gpu->rb[i]->fctx->last_fence;
state->ring[i].rptr = get_rptr(adreno_gpu, gpu->rb[i]);
state->ring[i].wptr = get_wptr(gpu->rb[i]);
@@ -526,11 +779,9 @@ int adreno_gpu_state_get(struct msm_gpu *gpu, struct msm_gpu_state *state)
size = j + 1;
if (size) {
- state->ring[i].data = kvmalloc(size << 2, GFP_KERNEL);
- if (state->ring[i].data) {
- memcpy(state->ring[i].data, gpu->rb[i]->start, size << 2);
+ state->ring[i].data = kvmemdup(gpu->rb[i]->start, size << 2, GFP_KERNEL);
+ if (state->ring[i].data)
state->ring[i].data_size = size << 2;
- }
}
}
@@ -574,6 +825,7 @@ void adreno_gpu_state_destroy(struct msm_gpu_state *state)
for (i = 0; state->bos && i < state->nr_bos; i++)
kvfree(state->bos[i].data);
+ kfree(state->vm_logs);
kfree(state->bos);
kfree(state->comm);
kfree(state->cmd);
@@ -629,8 +881,13 @@ static char *adreno_gpu_ascii85_encode(u32 *src, size_t len)
return buf;
}
-/* len is expected to be in bytes */
-static void adreno_show_object(struct drm_printer *p, void **ptr, int len,
+/* len is expected to be in bytes
+ *
+ * WARNING: *ptr should be allocated with kvmalloc or friends. It can be free'd
+ * with kvfree() and replaced with a newly kvmalloc'd buffer on the first call
+ * when the unencoded raw data is encoded
+ */
+void adreno_show_object(struct drm_printer *p, void **ptr, int len,
bool *encoded)
{
if (!*ptr || !len)
@@ -680,10 +937,9 @@ void adreno_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
if (IS_ERR_OR_NULL(state))
return;
- drm_printf(p, "revision: %d (%d.%d.%d.%d)\n",
- adreno_gpu->info->revn, adreno_gpu->rev.core,
- adreno_gpu->rev.major, adreno_gpu->rev.minor,
- adreno_gpu->rev.patchid);
+ drm_printf(p, "revision: %u (%"ADRENO_CHIPID_FMT")\n",
+ adreno_gpu->info->revn,
+ ADRENO_CHIPID_ARGS(adreno_gpu->chip_id));
/*
* If this is state collected due to iova fault, so fault related info
*
@@ -698,6 +954,26 @@ void adreno_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
drm_printf(p, " - dir=%s\n", info->flags & IOMMU_FAULT_WRITE ? "WRITE" : "READ");
drm_printf(p, " - type=%s\n", info->type);
drm_printf(p, " - source=%s\n", info->block);
+
+ /* Information extracted from what we think are the current
+ * pgtables. Hopefully the TTBR0 matches what we've extracted
+ * from the SMMU registers in smmu_info!
+ */
+ drm_puts(p, "pgtable-fault-info:\n");
+ drm_printf(p, " - ttbr0: %.16llx\n", (u64)info->pgtbl_ttbr0);
+ drm_printf(p, " - asid: %d\n", info->asid);
+ drm_printf(p, " - ptes: %.16llx %.16llx %.16llx %.16llx\n",
+ info->ptes[0], info->ptes[1], info->ptes[2], info->ptes[3]);
+ }
+
+ if (state->vm_logs) {
+ drm_puts(p, "vm-log:\n");
+ for (i = 0; i < state->nr_vm_logs; i++) {
+ struct msm_gem_vm_log_entry *e = &state->vm_logs[i];
+ drm_printf(p, " - %s:%d: 0x%016llx-0x%016llx\n",
+ e->op, e->queue_id, e->iova,
+ e->iova + e->range);
+ }
}
drm_printf(p, "rbbm-status: 0x%08x\n", state->rbbm_status);
@@ -707,11 +983,11 @@ void adreno_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
for (i = 0; i < gpu->nr_rings; i++) {
drm_printf(p, " - id: %d\n", i);
drm_printf(p, " iova: 0x%016llx\n", state->ring[i].iova);
- drm_printf(p, " last-fence: %d\n", state->ring[i].seqno);
- drm_printf(p, " retired-fence: %d\n", state->ring[i].fence);
- drm_printf(p, " rptr: %d\n", state->ring[i].rptr);
- drm_printf(p, " wptr: %d\n", state->ring[i].wptr);
- drm_printf(p, " size: %d\n", MSM_GPU_RINGBUFFER_SZ);
+ drm_printf(p, " last-fence: %u\n", state->ring[i].seqno);
+ drm_printf(p, " retired-fence: %u\n", state->ring[i].fence);
+ drm_printf(p, " rptr: %u\n", state->ring[i].rptr);
+ drm_printf(p, " wptr: %u\n", state->ring[i].wptr);
+ drm_printf(p, " size: %u\n", MSM_GPU_RINGBUFFER_SZ);
adreno_show_object(p, &state->ring[i].data,
state->ring[i].data_size, &state->ring[i].encoded);
@@ -724,6 +1000,8 @@ void adreno_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
drm_printf(p, " - iova: 0x%016llx\n",
state->bos[i].iova);
drm_printf(p, " size: %zd\n", state->bos[i].size);
+ drm_printf(p, " flags: 0x%x\n", state->bos[i].flags);
+ drm_printf(p, " name: %-32s\n", state->bos[i].name);
adreno_show_object(p, &state->bos[i].data,
state->bos[i].size, &state->bos[i].encoded);
@@ -753,17 +1031,16 @@ void adreno_dump_info(struct msm_gpu *gpu)
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
int i;
- printk("revision: %d (%d.%d.%d.%d)\n",
- adreno_gpu->info->revn, adreno_gpu->rev.core,
- adreno_gpu->rev.major, adreno_gpu->rev.minor,
- adreno_gpu->rev.patchid);
+ printk("revision: %u (%"ADRENO_CHIPID_FMT")\n",
+ adreno_gpu->info->revn,
+ ADRENO_CHIPID_ARGS(adreno_gpu->chip_id));
for (i = 0; i < gpu->nr_rings; i++) {
struct msm_ringbuffer *ring = gpu->rb[i];
printk("rb %d: fence: %d/%d\n", i,
ring->memptrs->fence,
- ring->seqno);
+ ring->fctx->last_fence);
printk("rptr: %d\n", get_rptr(adreno_gpu, ring));
printk("rb wptr: %d\n", get_wptr(ring));
@@ -811,73 +1088,46 @@ void adreno_wait_ring(struct msm_ringbuffer *ring, uint32_t ndwords)
ring->id);
}
-/* Get legacy powerlevels from qcom,gpu-pwrlevels and populate the opp table */
-static int adreno_get_legacy_pwrlevels(struct device *dev)
-{
- struct device_node *child, *node;
- int ret;
-
- node = of_get_compatible_child(dev->of_node, "qcom,gpu-pwrlevels");
- if (!node) {
- DRM_DEV_DEBUG(dev, "Could not find the GPU powerlevels\n");
- return -ENXIO;
- }
-
- for_each_child_of_node(node, child) {
- unsigned int val;
-
- ret = of_property_read_u32(child, "qcom,gpu-freq", &val);
- if (ret)
- continue;
-
- /*
- * Skip the intentionally bogus clock value found at the bottom
- * of most legacy frequency tables
- */
- if (val != 27000000)
- dev_pm_opp_add(dev, val, 0);
- }
-
- of_node_put(node);
-
- return 0;
-}
-
-static void adreno_get_pwrlevels(struct device *dev,
+static int adreno_get_pwrlevels(struct device *dev,
struct msm_gpu *gpu)
{
+ struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
unsigned long freq = ULONG_MAX;
struct dev_pm_opp *opp;
int ret;
gpu->fast_rate = 0;
- /* You down with OPP? */
- if (!of_find_property(dev->of_node, "operating-points-v2", NULL))
- ret = adreno_get_legacy_pwrlevels(dev);
- else {
- ret = devm_pm_opp_of_add_table(dev);
- if (ret)
- DRM_DEV_ERROR(dev, "Unable to set the OPP table\n");
- }
-
- if (!ret) {
- /* Find the fastest defined rate */
- opp = dev_pm_opp_find_freq_floor(dev, &freq);
- if (!IS_ERR(opp)) {
- gpu->fast_rate = freq;
- dev_pm_opp_put(opp);
+ /* devm_pm_opp_of_add_table may error out but will still create an OPP table */
+ ret = devm_pm_opp_of_add_table(dev);
+ if (ret == -ENODEV) {
+ /* Special cases for ancient hw with ancient DT bindings */
+ if (adreno_is_a2xx(adreno_gpu)) {
+ dev_warn(dev, "Unable to find the OPP table. Falling back to 200 MHz.\n");
+ dev_pm_opp_add(dev, 200000000, 0);
+ } else if (adreno_is_a320(adreno_gpu)) {
+ dev_warn(dev, "Unable to find the OPP table. Falling back to 450 MHz.\n");
+ dev_pm_opp_add(dev, 450000000, 0);
+ } else {
+ DRM_DEV_ERROR(dev, "Unable to find the OPP table\n");
+ return -ENODEV;
}
+ } else if (ret) {
+ DRM_DEV_ERROR(dev, "Unable to set the OPP table\n");
+ return ret;
}
- if (!gpu->fast_rate) {
- dev_warn(dev,
- "Could not find a clock rate. Using a reasonable default\n");
- /* Pick a suitably safe clock speed for any target */
- gpu->fast_rate = 200000000;
- }
+ /* Find the fastest defined rate */
+ opp = dev_pm_opp_find_freq_floor(dev, &freq);
+ if (IS_ERR(opp))
+ return PTR_ERR(opp);
+
+ gpu->fast_rate = freq;
+ dev_pm_opp_put(opp);
DBG("fast_rate=%u, slow_rate=27000000", gpu->fast_rate);
+
+ return 0;
}
int adreno_gpu_ocmem_init(struct device *dev, struct adreno_gpu *adreno_gpu,
@@ -900,14 +1150,16 @@ int adreno_gpu_ocmem_init(struct device *dev, struct adreno_gpu *adreno_gpu,
return PTR_ERR(ocmem);
}
- ocmem_hdl = ocmem_allocate(ocmem, OCMEM_GRAPHICS, adreno_gpu->gmem);
+ ocmem_hdl = ocmem_allocate(ocmem, OCMEM_GRAPHICS, adreno_gpu->info->gmem);
if (IS_ERR(ocmem_hdl))
return PTR_ERR(ocmem_hdl);
adreno_ocmem->ocmem = ocmem;
adreno_ocmem->base = ocmem_hdl->addr;
adreno_ocmem->hdl = ocmem_hdl;
- adreno_gpu->gmem = ocmem_hdl->len;
+
+ if (WARN_ON(ocmem_hdl->len != adreno_gpu->info->gmem))
+ return -ENOMEM;
return 0;
}
@@ -919,6 +1171,11 @@ void adreno_gpu_ocmem_cleanup(struct adreno_ocmem *adreno_ocmem)
adreno_ocmem->hdl);
}
+int adreno_read_speedbin(struct device *dev, u32 *speedbin)
+{
+ return nvmem_cell_read_variable_le_u32(dev, "speed_bin", speedbin);
+}
+
int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
struct adreno_gpu *adreno_gpu,
const struct adreno_gpu_funcs *funcs, int nr_rings)
@@ -927,38 +1184,75 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev,
struct adreno_platform_config *config = dev->platform_data;
struct msm_gpu_config adreno_gpu_config = { 0 };
struct msm_gpu *gpu = &adreno_gpu->base;
+ const char *gpu_name;
+ u32 speedbin;
+ int ret;
adreno_gpu->funcs = funcs;
- adreno_gpu->info = adreno_info(config->rev);
- adreno_gpu->gmem = adreno_gpu->info->gmem;
- adreno_gpu->revn = adreno_gpu->info->revn;
- adreno_gpu->rev = config->rev;
+ adreno_gpu->info = config->info;
+ adreno_gpu->chip_id = config->chip_id;
+
+ gpu->allow_relocs = config->info->family < ADRENO_6XX_GEN1;
+ gpu->pdev = pdev;
+
+ /* Only handle the core clock when GMU is not in use (or is absent). */
+ if (adreno_has_gmu_wrapper(adreno_gpu) ||
+ adreno_has_rgmu(adreno_gpu) ||
+ adreno_gpu->info->family < ADRENO_6XX_GEN1) {
+ /*
+ * This can only be done before devm_pm_opp_of_add_table(), or
+ * dev_pm_opp_set_config() will WARN_ON()
+ */
+ if (IS_ERR(devm_clk_get(dev, "core"))) {
+ /*
+ * If "core" is absent, go for the legacy clock name.
+ * If we got this far in probing, it's a given one of
+ * them exists.
+ */
+ devm_pm_opp_set_clkname(dev, "core_clk");
+ } else
+ devm_pm_opp_set_clkname(dev, "core");
+ }
+
+ if (adreno_read_speedbin(dev, &speedbin) || !speedbin)
+ speedbin = 0xffff;
+ adreno_gpu->speedbin = (uint16_t) (0xffff & speedbin);
+
+ gpu_name = devm_kasprintf(dev, GFP_KERNEL, "%"ADRENO_CHIPID_FMT,
+ ADRENO_CHIPID_ARGS(config->chip_id));
+ if (!gpu_name)
+ return -ENOMEM;
adreno_gpu_config.ioname = "kgsl_3d0_reg_memory";
adreno_gpu_config.nr_rings = nr_rings;
- adreno_get_pwrlevels(dev, gpu);
+ ret = adreno_get_pwrlevels(dev, gpu);
+ if (ret)
+ return ret;
+
+ init_completion(&adreno_gpu->fault_coredump_done);
+ complete_all(&adreno_gpu->fault_coredump_done);
pm_runtime_set_autosuspend_delay(dev,
adreno_gpu->info->inactive_period);
pm_runtime_use_autosuspend(dev);
- pm_runtime_enable(dev);
return msm_gpu_init(drm, pdev, &adreno_gpu->base, &funcs->base,
- adreno_gpu->info->name, &adreno_gpu_config);
+ gpu_name, &adreno_gpu_config);
}
void adreno_gpu_cleanup(struct adreno_gpu *adreno_gpu)
{
struct msm_gpu *gpu = &adreno_gpu->base;
- struct msm_drm_private *priv = gpu->dev->dev_private;
+ struct msm_drm_private *priv = gpu->dev ? gpu->dev->dev_private : NULL;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(adreno_gpu->info->fw); i++)
release_firmware(adreno_gpu->fw[i]);
- pm_runtime_disable(&priv->gpu_pdev->dev);
+ if (priv && pm_runtime_enabled(&priv->gpu_pdev->dev))
+ pm_runtime_disable(&priv->gpu_pdev->dev);
msm_gpu_cleanup(&adreno_gpu->base);
}