drm/amdgpu: Correct bytes limit for SDMA 3.0 copy and fill

Signed-off-by: NYong Zhao <yong.zhao@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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,
 };