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authorAlex Deucher <alexander.deucher@amd.com>2023-06-16 17:07:53 -0400
committerAlex Deucher <alexander.deucher@amd.com>2023-06-30 13:12:15 -0400
commit50a7c8765ca69543ffdbf855de0fd69aea769ccf (patch)
treed89f4d9a328fa2dabf0736e31495ac19c545abdf /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
parent02ff519e99fc90f6c9aed50def1b6d65e20c1875 (diff)
drm/amdgpu: enable mcbp by default on gfx9
It's required for high priority queues. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2535 Reviewed-and-tested-by: Jiadong Zhu <Jiadong.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 2483950d06ea..0593ef8fe0a6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -180,7 +180,7 @@ uint amdgpu_dc_feature_mask = 2;
uint amdgpu_dc_debug_mask;
uint amdgpu_dc_visual_confirm;
int amdgpu_async_gfx_ring = 1;
-int amdgpu_mcbp;
+int amdgpu_mcbp = -1;
int amdgpu_discovery = -1;
int amdgpu_mes;
int amdgpu_mes_kiq;
@@ -634,10 +634,10 @@ module_param_named(async_gfx_ring, amdgpu_async_gfx_ring, int, 0444);
/**
* DOC: mcbp (int)
- * It is used to enable mid command buffer preemption. (0 = disabled (default), 1 = enabled)
+ * It is used to enable mid command buffer preemption. (0 = disabled, 1 = enabled, -1 auto (default))
*/
MODULE_PARM_DESC(mcbp,
- "Enable Mid-command buffer preemption (0 = disabled (default), 1 = enabled)");
+ "Enable Mid-command buffer preemption (0 = disabled, 1 = enabled), -1 = auto (default)");
module_param_named(mcbp, amdgpu_mcbp, int, 0444);
/**