[PATCH] drm/amdkfd: remove gfx 12 trap handler page size cap

Jonathan Kim jonathan.kim at amd.com
Tue Nov 5 18:45:46 UTC 2024


GFX 12 does not require a page size cap for the trap handler because
it does not require a CWSR work around like GFX 11 did.

v2: set default cap

Signed-off-by: Jonathan Kim <jonathan.kim at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 348925254bff..956198da7859 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -534,7 +534,8 @@ static void kfd_cwsr_init(struct kfd_dev *kfd)
 			kfd->cwsr_isa = cwsr_trap_gfx11_hex;
 			kfd->cwsr_isa_size = sizeof(cwsr_trap_gfx11_hex);
 		} else {
-			BUILD_BUG_ON(sizeof(cwsr_trap_gfx12_hex) > PAGE_SIZE);
+			BUILD_BUG_ON(sizeof(cwsr_trap_gfx12_hex)
+					     > KFD_CWSR_TMA_OFFSET);
 			kfd->cwsr_isa = cwsr_trap_gfx12_hex;
 			kfd->cwsr_isa_size = sizeof(cwsr_trap_gfx12_hex);
 		}
-- 
2.34.1



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