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authorAlex Deucher <alexander.deucher@amd.com>2025-04-08 10:39:06 -0400
committerAlex Deucher <alexander.deucher@amd.com>2025-04-11 16:58:15 -0400
commit2e0454b730648e9349ca54eb4a8142d77e8e7008 (patch)
treee7b54ac2a6a3fb7e3305feadf6d19627bbe3fc14 /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
parentb86fd212f37631551f9620e28062dd2b0c53ccdd (diff)
drm/amdgpu: adjust enforce_isolation handling
Switch from a bool to an enum and allow more options for enforce isolation. There are now 3 modes of operation: - Disabled (0) - Enabled (serialization and cleaner shader) (1) - Enabled in legacy mode (no serialization or cleaner shader) (2) This provides better flexibility for more use cases. Acked-by: Srinivasan Shanmugam <srinivasan.shanmugam@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.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index f5e83acb6169..a117cd95b9dc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -179,7 +179,7 @@ uint amdgpu_pg_mask = 0xffffffff;
uint amdgpu_sdma_phase_quantum = 32;
char *amdgpu_disable_cu;
char *amdgpu_virtual_display;
-bool enforce_isolation;
+int amdgpu_enforce_isolation = -1;
int amdgpu_modeset = -1;
/* Specifies the default granularity for SVM, used in buffer
@@ -1038,11 +1038,13 @@ module_param_named(user_partt_mode, amdgpu_user_partt_mode, uint, 0444);
/**
- * DOC: enforce_isolation (bool)
- * enforce process isolation between graphics and compute via using the same reserved vmid.
+ * DOC: enforce_isolation (int)
+ * enforce process isolation between graphics and compute.
+ * (-1 = auto, 0 = disable, 1 = enable, 2 = enable legacy mode)
*/
-module_param(enforce_isolation, bool, 0444);
-MODULE_PARM_DESC(enforce_isolation, "enforce process isolation between graphics and compute . enforce_isolation = on");
+module_param_named(enforce_isolation, amdgpu_enforce_isolation, int, 0444);
+MODULE_PARM_DESC(enforce_isolation,
+"enforce process isolation between graphics and compute. (-1 = auto, 0 = disable, 1 = enable, 2 = enable legacy mode)");
/**
* DOC: modeset (int)