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authorJiadong Zhu <[email protected]>2023-08-08 02:59:25 +0000
committerAlex Deucher <[email protected]>2023-08-16 19:46:33 +0000
commit0d6f374c0c66e8ecc2897f0837d2cb4bd169bb42 (patch)
tree3555ec7ff942f3cbc9564a04ffc455ff576311e1 /drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c
parentdrm/amd/pm: disallow the fan setting if there is no fan on smu 13.0.0 (diff)
downloadkernel-0d6f374c0c66e8ecc2897f0837d2cb4bd169bb42.tar.gz
kernel-0d6f374c0c66e8ecc2897f0837d2cb4bd169bb42.zip
drm/amdgpu: disable mcbp if parameter zero is set
The parameter amdgpu_mcbp shall have priority against the default value calculated from the chip version. User could disable mcbp by setting the parameter mcbp as zero. v2: do not trigger preemption in sw ring muxer when mcbp is disabled. Signed-off-by: Jiadong Zhu <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c
index b779ee4bbaa7..e1ee1c7117fb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c
@@ -397,7 +397,7 @@ void amdgpu_sw_ring_ib_begin(struct amdgpu_ring *ring)
struct amdgpu_ring_mux *mux = &adev->gfx.muxer;
WARN_ON(!ring->is_sw_ring);
- if (ring->hw_prio > AMDGPU_RING_PRIO_DEFAULT) {
+ if (adev->gfx.mcbp && ring->hw_prio > AMDGPU_RING_PRIO_DEFAULT) {
if (amdgpu_mcbp_scan(mux) > 0)
amdgpu_mcbp_trigger_preempt(mux);
return;