Add ip dump for sdma_v5_0 for devcoredump for all
instances of sdma.
Signed-off-by: Sunil Khatri <sunil.khatri@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c | 82 ++++++++++++++++++++++++++
1 file changed, 82 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
index b7d33d78bce0..cb324a90b310 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
@@ -59,6 +59,55 @@ MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma1.bin");
#define SDMA0_HYP_DEC_REG_END 0x5893
#define SDMA1_HYP_DEC_REG_OFFSET 0x20
+static const struct amdgpu_hwip_reg_entry sdma_reg_list_5_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_INT_STATUS),
+ SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_VM_CNTL),
+ SOC15_REG_ENTRY_STR(GC, 0, mmGRBM_STATUS2)
+};
+
static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev);
static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev);
static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev);
@@ -1341,6 +1390,8 @@ static int sdma_v5_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_5_0);
+ uint32_t *ptr;
/* SDMA trap event */
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0,
@@ -1378,6 +1429,13 @@ static int sdma_v5_0_sw_init(void *handle)
return r;
}
+ /* 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;
}
@@ -1391,6 +1449,8 @@ static int sdma_v5_0_sw_fini(void *handle)
amdgpu_sdma_destroy_inst_ctx(adev, false);
+ kfree(adev->sdma.ip_dump);
+
return 0;
}
@@ -1718,6 +1778,27 @@ static void sdma_v5_0_get_clockgating_state(void *handle, u64 *flags)
*flags |= AMD_CG_SUPPORT_SDMA_LS;
}
+static void sdma_v5_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_5_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_v5_0_get_reg_offset(adev, i,
+ sdma_reg_list_5_0[j].reg_offset));
+ }
+ amdgpu_gfx_off_ctrl(adev, true);
+}
+
const struct amd_ip_funcs sdma_v5_0_ip_funcs = {
.name = "sdma_v5_0",
.early_init = sdma_v5_0_early_init,
@@ -1734,6 +1815,7 @@ const struct amd_ip_funcs sdma_v5_0_ip_funcs = {
.set_clockgating_state = sdma_v5_0_set_clockgating_state,
.set_powergating_state = sdma_v5_0_set_powergating_state,
.get_clockgating_state = sdma_v5_0_get_clockgating_state,
+ .dump_ip_state = sdma_v5_0_dump_ip_state,
};
static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = {
--
2.34.1
