On 2020-01-08 11:51 p.m., Alex Deucher wrote:
If a user specifies a non-existant sdma instance,
warn and return the offset for instance 0.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c
index 2b26925623eb..1f9c6ef7567e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c
@@ -75,6 +75,11 @@ static uint32_t get_sdma_rlc_reg_offset(struct amdgpu_device *adev,
uint32_t sdma_rlc_reg_offset;
switch (engine_id) {
+ default:
+ dev_warn(adev->dev,
+ "Invalid sdma engine id (%d), using engine id 0\n",
+ engine_id);
+ /* fall through */
case 0:
sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA0, 0,
mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL;
@@ -107,8 +112,6 @@ static uint32_t get_sdma_rlc_reg_offset(struct amdgpu_device *adev,
sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA7, 0,
mmSDMA7_RLC0_RB_CNTL) - mmSDMA7_RLC0_RB_CNTL;
break;
- default:
- break;
}
sdma_rlc_reg_offset = sdma_engine_reg_base
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