Merge "msm: kgsl: Add the A6XX preemption buffers to snapshot" (60638232) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/gpu/msm/adreno_a6xx_snapshot.c

+39 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,9 @@
		#define A6XX_NUM_XIN_AXI_BLOCKS 5
		#define A6XX_NUM_XIN_CORE_BLOCKS 4

		/* Snapshot section size of each CP preemption record for A6XX */
		#define A6XX_SNAPSHOT_CP_CTXRECORD_SIZE_IN_BYTES (64 * 1024)

		static const unsigned int a6xx_gras_cluster[] = {
		0x8000, 0x8006, 0x8010, 0x8092, 0x8094, 0x809D, 0x80A0, 0x80A6,
		0x80AF, 0x80F1, 0x8100, 0x8107, 0x8109, 0x8109, 0x8110, 0x8110,
		@@ -1720,6 +1723,32 @@ size_t a6xx_snapshot_isense_registers(struct kgsl_device device, u8 buf,
		return (count * 8) + sizeof(*header);
		}

		/* Snapshot the preemption related buffers */
		static size_t snapshot_preemption_record(struct kgsl_device *device,
		u8 buf, size_t remain, void priv)
		{
		struct kgsl_memdesc *memdesc = priv;
		struct kgsl_snapshot_gpu_object_v2 *header =
		(struct kgsl_snapshot_gpu_object_v2 *)buf;
		u8 ptr = buf + sizeof(header);

		if (remain < (A6XX_SNAPSHOT_CP_CTXRECORD_SIZE_IN_BYTES +
		sizeof(*header))) {
		SNAPSHOT_ERR_NOMEM(device, "PREEMPTION RECORD");
		return 0;
		}

		header->size = A6XX_SNAPSHOT_CP_CTXRECORD_SIZE_IN_BYTES >> 2;
		header->gpuaddr = memdesc->gpuaddr;
		header->ptbase =
		kgsl_mmu_pagetable_get_ttbr0(device->mmu.defaultpagetable);
		header->type = SNAPSHOT_GPU_OBJECT_GLOBAL;

		memcpy(ptr, memdesc->hostptr, A6XX_SNAPSHOT_CP_CTXRECORD_SIZE_IN_BYTES);

		return A6XX_SNAPSHOT_CP_CTXRECORD_SIZE_IN_BYTES + sizeof(*header);
		}

		/*
		* a6xx_snapshot() - A6XX GPU snapshot function
		* @adreno_dev: Device being snapshotted
		@@ -1733,6 +1762,7 @@ void a6xx_snapshot(struct adreno_device *adreno_dev,
		{
		struct kgsl_device *device = KGSL_DEVICE(adreno_dev);
		struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev);
		struct adreno_ringbuffer *rb;
		bool sptprac_on;
		unsigned int i, roq_size, ucode_dbg_size;

		@@ -1851,6 +1881,15 @@ void a6xx_snapshot(struct adreno_device *adreno_dev,
		a6xx_snapshot_dbgahb_regs(device, snapshot);
		}

		/* Preemption record */
		if (adreno_is_preemption_enabled(adreno_dev)) {
		FOR_EACH_RINGBUFFER(adreno_dev, rb, i) {
		kgsl_snapshot_add_section(device,
		KGSL_SNAPSHOT_SECTION_GPU_OBJECT_V2,
		snapshot, snapshot_preemption_record,
		&rb->preemption_desc);
		}
		}
		}

		static int _a6xx_crashdump_init_mvc(struct adreno_device *adreno_dev,