Commit 80237bfc authored by Sunil Khatri's avatar Sunil Khatri Committed by Alex Deucher
Browse files

drm/amdgpu: Add sdma_v4_0 ip dump for devcoredump 



Add ip dump for sdma_v4_0 for devcoredump for all
instances of sdma.

Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarSunil Khatri <sunil.khatri@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent abf839f5

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

+80 −0
Original line number Diff line number Diff line
@@ -72,6 +72,53 @@ MODULE_FIRMWARE("amdgpu/renoir_sdma.bin"); 
MODULE_FIRMWARE("amdgpu/green_sardine_sdma.bin");

MODULE_FIRMWARE("amdgpu/aldebaran_sdma.bin");



static const struct amdgpu_hwip_reg_entry sdma_reg_list_4_0[] = {

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS_REG),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS1_REG),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS2_REG),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS3_REG),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UCODE_CHECKSUM),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RB_RPTR_FETCH_HI),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RB_RPTR_FETCH),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_RD_STATUS),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_WR_STATUS),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_RD_XNACK0),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_RD_XNACK1),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_WR_XNACK0),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_WR_XNACK1),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_CNTL),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_RPTR),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_RPTR_HI),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_WPTR),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_WPTR_HI),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_OFFSET),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_BASE_LO),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_BASE_HI),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_CNTL),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_RPTR),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_SUB_REMAIN),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_DUMMY_REG),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_CNTL),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_RPTR),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_RPTR_HI),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_WPTR),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_WPTR_HI),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_IB_OFFSET),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_IB_BASE_LO),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_IB_BASE_HI),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_DUMMY_REG),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_CNTL),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_RPTR),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_RPTR_HI),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_WPTR),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_WPTR_HI),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_IB_OFFSET),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_IB_BASE_LO),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_IB_BASE_HI),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_DUMMY_REG),

	SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_VM_CNTL)

};



#define SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK  0x000000F8L

#define SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK 0xFC000000L
@@ -1750,6 +1797,8 @@ static int sdma_v4_0_sw_init(void *handle) 
	struct amdgpu_ring *ring;

	int r, i;

	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

	uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_4_0);

	uint32_t *ptr;



	/* SDMA trap event */

	for (i = 0; i < adev->sdma.num_instances; i++) {
@@ -1870,6 +1919,13 @@ static int sdma_v4_0_sw_init(void *handle) 
		return -EINVAL;

	}



	/* Allocate memory for SDMA IP Dump buffer */

	ptr = kcalloc(adev->sdma.num_instances * reg_count, sizeof(uint32_t), GFP_KERNEL);

	if (ptr)

		adev->sdma.ip_dump = ptr;

	else

		DRM_ERROR("Failed to allocated memory for SDMA IP Dump\n");



	return r;

}
@@ -1890,6 +1946,8 @@ static int sdma_v4_0_sw_fini(void *handle) 
	else

		amdgpu_sdma_destroy_inst_ctx(adev, false);



	kfree(adev->sdma.ip_dump);



	return 0;

}
@@ -2292,6 +2350,27 @@ static void sdma_v4_0_get_clockgating_state(void *handle, u64 *flags) 
		*flags |= AMD_CG_SUPPORT_SDMA_LS;

}



static void sdma_v4_0_dump_ip_state(void *handle)

{

	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

	int i, j;

	uint32_t instance_offset;

	uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_4_0);



	if (!adev->sdma.ip_dump)

		return;



	amdgpu_gfx_off_ctrl(adev, false);

	for (i = 0; i < adev->sdma.num_instances; i++) {

		instance_offset = i * reg_count;

		for (j = 0; j < reg_count; j++)

			adev->sdma.ip_dump[instance_offset + j] =

				RREG32(sdma_v4_0_get_reg_offset(adev, i,

				       sdma_reg_list_4_0[j].reg_offset));

	}

	amdgpu_gfx_off_ctrl(adev, true);

}



const struct amd_ip_funcs sdma_v4_0_ip_funcs = {

	.name = "sdma_v4_0",

	.early_init = sdma_v4_0_early_init,
@@ -2308,6 +2387,7 @@ const struct amd_ip_funcs sdma_v4_0_ip_funcs = { 
	.set_clockgating_state = sdma_v4_0_set_clockgating_state,

	.set_powergating_state = sdma_v4_0_set_powergating_state,

	.get_clockgating_state = sdma_v4_0_get_clockgating_state,

	.dump_ip_state = sdma_v4_0_dump_ip_state,

};



static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = {