[PATCH 1/2] drm/amdgpu: Correct bytes limit for SDMA 3.0 copy and fill

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Change-Id: I10fc5efbc303056c5c5c4dc4f4dd2c3186595a91
Signed-off-by: Yong Zhao <yong.zhao at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index 728c0d8..4e7fe07 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -1730,11 +1730,11 @@ static void sdma_v3_0_emit_fill_buffer(struct amdgpu_ib *ib,
 }
 
 static const struct amdgpu_buffer_funcs sdma_v3_0_buffer_funcs = {
-	.copy_max_bytes = 0x1fffff,
+	.copy_max_bytes = 0x3fffe0, /* not 0x3fffff due to HW limitation*/
 	.copy_num_dw = 7,
 	.emit_copy_buffer = sdma_v3_0_emit_copy_buffer,
 
-	.fill_max_bytes = 0x1fffff,
+	.fill_max_bytes = 0x3fffe0, /* not 0x3fffff due to HW limitation*/
 	.fill_num_dw = 5,
 	.emit_fill_buffer = sdma_v3_0_emit_fill_buffer,
 };
-- 
2.7.4



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